Taxa Count: 6164

ACANTHOCERATACEAE

Acanthoceras amphibolum Morrow, 1935

Acanthoceras muldoonense Cobban & Scott, 1973

Calycoceras naviculare (Mantell, 1822)

Choffaticeras pavillieri (Pervinquiére, 1907)

Coahuilites sheltoni Böse, 1928

Collignoniceras woollgari (Mantell, 1822)

Eucalycoceras pentagonum (Jukes-Browne, 1896)

Euomphaloceras costatum Cobban et al., 1989

Euomphaloceras cunningtoni (Sharpe, 1855)

Forresteria hobsoni (Reeside, 1932)

Kanabiceras puebloense (Cobban & Scott, 1972)

Kanabiceras septemseriatum (Cragin, 1893)

Mammites nodosoides (Schlüter, 1871)

Metoicoceras whitei Hyatt, 1903

Neocardioceras densicostatum Cobban, 1988

Neocardioceras juddii (Barrois & Guerne, 1898)

Neocardioceras laevigatum Cobban, 1988

Neocardioceras minutum Cobban, 1988

Neocardioceras uptonense Cobban, 1988

Neoptychites xetriformis Pervinquiére, 1907

Nigericeras scotti Cobban, 1972

Peroniceras bajuvaricum (Redtenbacher, 1873)

Placenticeras costatum (Herrick & Johnson, 1900)

Prionocyclus pluricostatus Kennedy et al., 2001

Prionocyclus wyomingensis Meek, 1876

Pseudocalycoceras angolaense (Spath, 1931)

Quitmaniceras reaseri Powell, 1963

Sphenodiscus pleurisepta (Conrad, 1857)

Sumitomoceras bentonianum (Cragin, 1893)

Tarrantoceras rotatile Stephenson, 1955

Vascoceras birchbyi (Cobban & Scott, 1972)

Watinoceras coloradoense (Henderson, 1908)

Watinoceras reesidei Warren, 1930

Watinoceras thompsonense Cobban, 1988

ACANTHOCERATIDAE

Acanthoceras Neumayr, 1875

Acanthoceras granerosense Cobban & Scott, 1972

Calycoceras Hyatt, 1900

Calycoceras gilberti (Cobban & Scott, 1972)

Eucalycoceras Spath, 1923

Euomphaloceras Spath, 1923

Kamerunoceras Reyment, 1954

Metoicoceras Hyatt, 1903

Neocardioceras Spath, 1926

Pseudaspidoceras Hyatt, 1903

Pseudocalycoceras

Quitmaniceras Powell, 1963

Romaniceras

Romaniceras deverioide (Grossouvre, 1889)

Sumitomoceras Matsumoto, Muramoto & Takahashi, 1969

Watinoceras Warren, 1930

ACANTHODONTIDAE

Acanthodus Furnish, 1938

Acanthodus uncinatus Furnish, 1938

ACCIPITRIDAE

Aquila Brisson, 1760

Buteo Lacepede, 1799

Buteo fluviaticus Miller & Sibley, 1942

ACHILIDAE

Elidiptera regularis Scudder, 1890

ACMAEIDAE

Acmaea Eschscholtz, 1833

Acmaeidae indet.

Anisomyon

Anisomyon meeki Gabb, 1864

ACRIDIDAE

Gomphocerus abstrusus Scudder, 1890

Nanthacia torpida Scudder, 1890

Oedipoda praefocata Scudder, 1890

Taeniopodites pardalis Cockerell, 1909

Tyrbula russelli Scudder, 1885

ACRIOCERATIDAE

Helicancylus pilsbryi (Anderson, 1938)

ACROBATIDAE

Didelphys pygmaea (Scott, 1894)

ACROREIIDAE

Vasculum obliquum White, 1889

ACTEONELLIDAE

Acteonella

Acteonella oviformis Gabb, 1869

Acteonellidae indet.

Trochactaeon

Trochactaeon (Trochactaeon) frazierensis (Anderson, 1958)

Trochactaeon (Trochactaeon) packardi (Anderson, 1958)

ACTEONIDAE

Acteon

Acteon Montfort, 1810

Acteon inornatus White, 1889

Acteon politus (Gabb, 1869)

Acteon sullivanae Murphy & Rodda, 1960

Acteonidae indet.

Eoacteon normalis (Cooper, 1894)

Nonactaeonina

Nonacteonina

Nonacteonina "sinuata" Saul, m.s.

Nonacteonina Stephenson, 1941

Nonacteonina obesa Dailey & Popenoe, 1966

Nonacteonina stephensoni Anderson, 1958

Paladmete

Tornatella

Tornatellaea

ACTEONINIDAE

Eoacteon Stephenson, 1955

ACTINOCERATIDAE

Actinoceras Bronn, 1835

ACTINOCRINITIDAE

Actinocrinus Miller, 1821

Cactocrinus Wachsmuth & Springer, 1897

ADAPIDAE

Adapis parisiensis Blainville, 1841

ADAPISORICIDAE

Entomolestes nitens (Matthew, 1918)

Leptacodon Matthew & Granger, 1921

Leptacodon tener Matthew & Granger, 1921

Macrocranion nitens (Matthew, 1918)

ADECTORHYNCHIDAE

Floweria chemungensis (Conrad, 1842)

Orthothetes chemungensis (Conrad, 1842)

Schuchertella chemungensis (Conrad, 1842)

ADOXACEAE

Sambucus L.

Viburnum L.

AEGIALIIDAE

Aegialia opacus Brown, 1931

AESHNIDAE

Aeschna larvata (Scudder, 1890)

Aeschna solida (Scudder, 1890)

Aeshna larvata (Scudder, 1890)

Aeshna separata (Scudder, 1890)

Aeshna solida (Scudder, 1890)

Hoplonaeschna separata (Scudder, 1890)

Oligaeschna lapidaria (Cockerell & Counts, 1913)

Oligaeschna separata (Scudder, 1890)

Oligoaeschna needhami (Cockerell, 1907)

AGAMIDAE

Saura Wagler, 1833

AGAONIDAE

Tetrapus mayri Brues, 1910

AGATHEMERIDAE

Agathemera reclusa Scudder, 1890

AGRIOCHOERIDAE

Protoreodon Scott & Osborn, 1887

AGROMYZIDAE

Agromyza praecursor Melander, 1949

Eomyza holoptera Cockerell, 1924

Melanagromyza prisca Melander, 1949

Melanagromyza tephrias Melander, 1949

AGYRTIDAE

Agyrtes primoticus Scudder, 1900

Miosilpha necrophiloides Wickham, 1912

AKERIDAE

Akera "psakas" Saul, m.s.

ALAUDIDAE

Eremophila alpestris (Linnaeus, 1758)

ALBANERPETONTIDAE

Albanerpeton nexuosus Estes, 1981

ALLIGATORIDAE

Ceratosuchus Schmidt, 1938

Ceratosuchus burdoshi Schmidt, 1938

ALLOMYIDAE

Downsimus Macdonald, 1970

Pelycomys Galbreath, 1953

Pelycomys placidus Galbreath, 1953

Pelycomys rugosus Galbreath, 1953

Prosciurus Matthew, 1903

ALLOSAURIDAE

Allosaurus Marsh, 1877

Allosaurus fragilis Marsh, 1877

Allosaurus lucasi Dalman, 2014

Antrodemus Leidy, 1870

Antrodemus valens (Leidy, 1870)

Labrosaurus ferox Marsh, 1884

Poicilopleuron valens (Leidy, 1870)

Stokesosaurus Madsen, 1974

ALYDIDAE

Cydamus robustus Scudder, 1890

Eothes elegans Scudder, 1890

Orthriocorisa longipes Scudder, 1890

Protenor imbecillis Scudder, 1890

AMBOCOELIIDAE

Ambocoelia planoconvexa (Shumard, 1855)

Crurithyris George, 1931

AMBONYCHIIDAE

Mytilarca Hall, 1869

AMBYSTOMATIDAE

Ambystoma Tschudi, 1838

Ambystoma tigrinum (Green, 1825)

AMIIDAE

Amia Linnaeus, 1766

Amia dictyocephala Cope, 1875

Amia scutata Cope, 1875

Melvius thomasi Bryant, 1987

AMPHICYONIDAE

Amphicyon Lartet, 1836

Amphicyon galushai Hunt, 2003

Amphicyon ingens Matthew, 1924

Amphicyon major De Blainville, 1841

Amphicyon sinapius (Matthew, 1902)

Brachyrhynchocyon Scott & Jepsen, 1936

Cynelos Jourdan, 1862

Cynodictis Bravard & Pomel, 1850

Cynodictis lippincottianus (Cope, 1873)

Daphoenus Leidy, 1853

Daphoenus hartshornianus (Cope, 1873)

Daphoenus vetus (Leidy, 1853)

Proamphicyon Hatcher, 1902

Pseudocynodictis lippincottianus (Cope, 1873)

AMPHILEMURIDAE

Ankylodon Patterson & McGrew, 1937

Ankylodon annectens Patterson & McGrew, 1937

Ankylodon progressus Galbreath, 1953

AMPHISBAENIDAE

Hadrorhineura Hembree, 2007

Protorhineura Hembree, 2007

AMPLEXIDAE

Amplexus Sowerby, 1814

AMPULLINIDAE

Pseudamaura P.Fischer, 1885

ANACARDIACEAE

Anacardites Saporta, 1861

Astronium Jacq.

Cotinus Mill.

Rhus L.

ANACORACIDAE

Microcorax crassus Cappetta & Case, 1975

Myledaphus bipartitus Cope, 1876

ANAPTOMORPHIDAE

Absarokius Matthew, 1915

Absarokius abbotti (Loomis, 1906)

Absarokius metoecus Bown & Rose, 1987

Absarokius noctivagus Matthew, 1915

Anemorhysis Gazin, 1958

Anemorhysis minutus (Loomis, 1906)

Artimonius australis (Bown & Rose, 1987)

Artimonius nocerai (Robinson, 1966)

Hemiacodon Marsh, 1872

Huerfanius rutherfurdi (Robinson, 1966)

Loveina Simpson, 1940

Loveina zephyri Simpson, 1940

Mckennamorphus despairensis Szalay, 1976

Omomys minutus (Loomis, 1906)

Pseudotetonius Bown, 1974

Pseudotetonius ambiguus (Matthew, 1915)

Shoshonius Granger, 1910

Shoshonius cooperi Granger, 1910

Strigorhysis huerfanensis Bown & Rose, 1987

Teilhardina Simpson, 1940

Tetonius Matthew, 1915

Tetonius ambiguus (Matthew, 1915)

Tetonius homunculus (Cope, 1882)

Tetonius matthewi Bown & Rose, 1987

Tetonius mckennai Bown & Rose, 1987

Uintanius rutherfurdi (Robinson, 1966)

Washakius izetti Honey, 1990

ANATIDAE

Anas Linnaeus, 1758

Anser Linnaeus, 1758

Aythya affinis (Eyton, 1838)

Aythya americana (Eyton, 1838)

ANCYLOCERATIDAE

Ancyloceras thomeli Murphy, 1975

Crioceratites (Crioceratites) cornucapri (Anderson, 1938)

Hoplocrioceras remondi (Gabb, 1864)

Shasticrioceras patricki Murphy, 1975

Shasticrioceras poniente Anderson, 1938

Shasticrioceras roddai Murphy, 1975

Shasticrioceras whitneyi Anderson, 1938

Shastoceras shastense Anderson, 1938

Toxoceras blandi Murphy, 1975

Toxoceratoides greeni Murphy, 1975

ANDRENIDAE

Andrena clavula Cockerell, 1906

Andrena grandipes Cockerell, 1911

Andrena hypolitha Cockerell, 1908

Andrena lagopus Latreille, 1809

Andrena percontusa Cockerell, 1915

Andrena sepulta Cockerell, 1906

Andrenopteryx willardi (Cockerell, 1909)

Libellulapis antiquorum Cockerell, 1906

Libellulapis wilmattae Cockerell, 1913

Lithandrena saxorum Cockerell, 1906

Pelandrena reducta Cockerell, 1909

ANEMIACEAE

Anemia Sw.

ANGUIDAE

Eoglyptosaurus donohoei (White, 1952)

Gerrhonotus Wiegmann, 1828

Glyptosaurus Marsh, 1871

Glyptosaurus hillsi Gilmore, 1928

Glyptosaurus sylvestris Marsh, 1871

Helodermoides tuberculatus (Douglass, 1903)

Odaxosaurus piger (Gilmore, 1928)

Ophisaurus Daudin, 1803

Paraglyptosaurus princeps (Marsh, 1872)

Parophisaurus Sullivan, 1987

Parophisaurus pawneensis (Gilmore, 1928)

Peltosaurus Cope, 1873

Peltosaurus granulosus Cope, 1873

Xestops pawneensis (Gilmore, 1928)

ANISOCERATIDAE

Allocrioceras Spath, 1926

Allocrioceras larvatum (Conrad, 1855)

Anisoceras Pictet, 1854

Anisoceras plicatile (Sowerby, 1819)

Anisoceras plicatilis (Sowerby, 1819)

Idiohamites Spath, 1925

Idiohamites fremonti (Marcou, 1858)

Phlycticrioceras trinodosus (Geinitz, 1850)

ANISOLABIDIDAE

Geroncolabis commixta (Scudder, 1890)

Geroncolabis tertiaria (Scudder, 1876)

Labiduromma mortale Scudder, 1890

Labiduromma tertiarium (Scudder, 1876)

Paleocarcinophora lithophila (Scudder, 1876)

Spiladopygia exsulata (Scudder, 1890)

Spiladopygia mortalis (Scudder, 1890)

ANISOPODIDAE

Olbiogaster simplex (Cockerell, 1920)

ANNONACEAE

Asimina Adans.

ANOBIIDAE

Anobium durescens Scudder, 1900

Ernobius effetus Wickham, 1914

Oligomerus breviusculus Wickham, 1916

Oligomerus duratus Wickham, 1914

Oligomerus florissantensis Wickham, 1914

Vrilletta monstrosa Wickham, 1917

Vrilletta tenuistriata Wickham, 1913

Xestobium alutaceum Wickham, 1913

ANOMIIDAE

Anomia

Anomia Linnaeus, 1758

Anomia jalama Dailey & Popenoe, 1966

Anomia lineata Gabb, 1864

Anomia vancouverensis Gabb, 1869

Anomia vaquerosensis Loel & Corey, 1932

Anomiidae indet.

ANOMOEPODIDAE

Anomoepus Hitchcock, 1848

ANOMPHALIDAE

Isonema Meek & Worthen, 1865

Isonema depressum Meek & Worthen, 1866

Naticopsis humilis (Meek, 1871)

ANOPLOTHERIIDAE

Agriochoerus Leidy, 1850

Agriochoerus antiquus Leidy, 1850

ANTHASPIDELLIDAE

Archaeoscyphia Hinde, 1889

Archaeoscyphia pulchra (Bassler, 1927)

Calycocoelia Bassler, 1927

Patellispongia oculata Bassler, 1927

Zittelella varians Billings, 1861

ANTHICIDAE

Corphyra calypso Wickham, 1914

Macratria gigantea Wickham, 1910

ANTHOMYIIDAE

Mecistoneuron perpetuum Melander, 1949

ANTHRACOBLATTINIDAE

Distatoblatta persistens (Scudder, 1890)

ANTHRACOTHERIIDAE

Bothriodon Aymard, 1848

Heptacodon Marsh, 1894

Heptacodon occidentale (Osborn & Wortman, 1894)

ANTHRIBIDAE

Anthribus sordidus (Scudder, 1893)

Brachytarsus dubius Wickham, 1913

Euparius adumbratus (Wickham, 1911)

Hormiscus partitus (Scudder, 1890)

Saperdirhynchus priscotitillator Scudder, 1893

Trigonorhinus sordidus (Scudder, 1893)

ANTHRIBIDES

Stiraderes conradi Scudder, 1893

Striaderes conradi Scudder, 1893

Tropideres vastatus Scudder, 1893

ANTILOCAPRIDAE

Antilocapra Ord, 1818

Antilocapra americana (Ord, 1815)

Merycodus Leidy, 1854

Merycodus warreni (Leidy, 1858)

Paracosoryx Frick, 1937

Ramoceros osborni (Matthew, 1904)

Submeryceros minor (Frick, 1937)

Texoceros vaughani Frick, 1937

APARCHITIDAE

Cyathus ulrichi Roth, 1930

APATEMYIDAE

Apatemys Marsh, 1872

Apatemys bellus Marsh, 1872

Apatemys chardini (Jepsen, 1930)

Apatemys kayi (Simpson, 1929)

Labidolemur kayi (Simpson, 1929)

Labidolemur serus Gingerich, 1982

Labidolemur soricoides Matthew & Granger, 1921

Sinclairella Jepsen, 1934

Sinclairella dakotensis Jepsen, 1934

Teilhardella chardini (Jepsen, 1930)

APHALARIDAE

Catopsylla crawfordi (Cockerell, 1915)

Catopsylla prima Scudder, 1890

Necropsylla rigida Scudder, 1890

Necropsylla rigidula Cockerell, 1911

Psyllites crawfordi (Cockerell, 1915)

APHELOPHLEBODIDAE

Aphelophlebodes Pierce, 1945

APHIDIDAE

Aphidopsis Scudder, 1890

Aphidopsis lutaria Scudder, 1890

Aphidopsis margarum Scudder, 1890

Aphidopsis subterna Scudder, 1890

Archilachnus pennatus Buckton, 1883

Cataneura rileyi Scudder, 1890

Mindarus recurvus (Buckton, 1883)

Mindarus scudderi (Buckton, 1883)

Siphonophoroides antiqua Buckton, 1883

Siphonophoroides gillettei (Cockerell, 1908)

Siphonophoroides lassa (Scudder, 1890)

Siphonophoroides pennata (Buckton, 1883)

Siphonophoroides simplex Buckton, 1883

Tephraphis simplex (Buckton, 1883)

APHODIIDAE

Agoliinus plutonicus (Fall, 1907)

Aphodius aboriginalis Wickham, 1912

Aphodius florissantensis Wickham, 1911

Aphodius granarioides Wickham, 1913

Aphodius inundatus Wickham, 1914

Aphodius laminicola Wickham, 1910

Aphodius mediaevus Wickham, 1914

Aphodius praeemptor Wickham, 1913

Aphodius senex Wickham, 1914

Aphodius shoshonis Wickham, 1912

Ataenius Harold, 1867

Ataenius patescens Scudder, 1893

Ataenius restructus (Wickham, 1912)

Dialytes Harold, 1869

Dialytodius decipiens (Horn, 1887)

Oxyomus nearcticus Wickham, 1914

Planolinoides duplex (LeConte, 1878)

APHREDODERIDAE

Asineops Cope, 1870

Trichophanes copei Osborn et al., 1878

Trichophanes foliarum Cope, 1878

APHROPHORIDAE

Aphrophora Germar, 1821

APHROPHORIDES

Palaphrodes cincta Scudder, 1890

Palaphrodes irregularis Scudder, 1890

Palaphrodes obliqua Scudder, 1890

Palaphrodes obscura Scudder, 1890

Palaphrodes transversa Scudder, 1890

Petrolystra gigantea Scudder, 1878

Petrolystra heros Scudder, 1878

APIDAE

Anthophora melfordi Cockerell, 1908

Bombus Latreille, 1802

Calyptapis florissantensis Cockerell, 1906

Ceratina disrupta Cockerell, 1906

Protomelecta brevipennis Cockerell, 1908

Xylocopa gabrielae Engel, 2001

APIONIDAE

Apion Herbst, 1797

Apion attenuatum Smith, 1884

APLODONTIIDAE

Paramys relictus (Cope, 1873)

Prosciurus relictus (Cope, 1873)

APOCYNACEAE

Acerates Elliott

APOGONIDAE

Amioides Smith & Radcliffe, 1912

APORRHAIDAE

Alarimella anae Saul, 1998

Alarimella vetus (Packard, 1922)

Anchura

Anchura (Helicaulax) condoniana (Anderson, 1902)

Anchura (Helicaulax) popenoei Elder & Saul, 1998

Anchura (Helicaulax) tricosa Saul & Popenoe, 1993

Anchura Conrad, 1860

Anchura ainikta Elder & Saul, 1996

Anchura baptos Elder & Saul, 1998

Anchura falciformis (Gabb, 1864)

Anchura halberdopsis Elder & Saul, 1996

Anchura phaba Elder & Saul, 1996

Aporrhaidae indet.

Aporrhais da Costa, 1778

Aporrhais drachuki Saul, 1998

Drepanocheilus Meek, 1864

Drepanochilus nebrascensis (Evans & Shumard, 1854)

Latiala

Latiala californica (Gabb, 1864)

Latiala heliaca Saul, 1998

Latiala nodosa (Packard, 1922)

Latiala sigma Saul, 1998

Lispodesthes rotundus (Waring, 1917)

Pugnellus Conrad, 1860

Pyktes

Pyktes Popenoe, 1983

Pyktes aspris Popenoe, 1983

Pyktes daiphron Popenoe, 1983

Pyktes hamulus (Gabb, 1864)

Pyktes triphyllon Popenoe, 1983

Teneposita laeva Loch, 1989

Tessarolax

Tessarolax alaskana Saul & Squires, 2015

Tessarolax bullardi Saul & Squires, 2015

Tessarolax distorta Gabb, 1864

Tessarolax gabbi Saul & Squires, 2015

Tessarolax grahami Saul & Squires, 2015

Tessarolax incrustata Anderson & Hanna, 1935

Tessarolax teleos Squires in Saul & Squires, 2015

Tessarolax trinalis Murphy & Rodda, 1960

Tibiaporrhais cooperensis (Stephenson, 1941)

APSIDOCERATIDAE

Charactoceras Foerste, 1924

APSILOCEPHALIDAE

Apsilocephala vagabunda (Cockerell, 1927)

APTERNODONTIDAE

Apternodus Matthew, 1903

Apternodus iliffensis Galbreath, 1953

Oligoryctes Hough, 1956

AQUIFOLIACEAE

Ilex L.L.

AQUILOLAMNIDAE

Cretomanta canadensis Case et al., 1990

ARAKSALOSIIDAE

Acanthatia nupera (Stainbrook, 1947)

ARALIACEAE

Aralia L.

Aralia notata Lesquereux, 1878

Araliaephyllum Fontaine, 1889

Oreopanax Decne. & Planch.

ARANEIDAE

Araneus Clerck, 1757

Araneus absconditus (Scudder, 1890)

Araneus cinefactus (Scudder, 1890)

Araneus delitus (Scudder, 1890)

Araneus emertoni (Scudder, 1890)

Araneus kinchloeae Dunlop & Jekel, 2009

Araneus longimanus (Petrunkevitch, 1922)

Araneus meeki (Scudder, 1890)

Araneus vulcanalis (Scudder, 1890)

Epeira emertoni (Scudder, 1890)

Epeira meekii (Scudder, 1890)

Nephila pennatipes Scudder, 1885

Palaeopachygnatha cockerelli Petrunkevitch, 1922

Palaeopachygnatha scudderi Petrunkevitch, 1922

Tethneus guyoti Scudder, 1890

Tethneus hentzii Scudder, 1885

Tethneus obduratus Scudder, 1890

Tethneus provectus Scudder, 1890

Tethneus robustus Petrunkevitch, 1922

Tethneus twenhofeli Petrunkevitch, 1922

ARAUCARIACEAE

Araucarites K.B.Presl, 1838

Brachyphyllum A.T.Brongniart, 1828

Dadoxylon Endlicher, 1847

ARCHAEOCIDARIDAE

Archaeocidaris McCoy, 1844

ARCHAEOLAMNIDAE

Telodontaspis agassizensis Underwood & Cumbaa, 2010

ARCHAEOLITHOPHYLLACEAE

Archaeolithophyllum J.H.Johnson, 1956

ARCHAEOPTERIDACEAE

Callixylon M.D.Zalessky, 1911

ARCHIMYLACRIDAE

Petrablattina aequa Scudder, 1885

Phyloblatta meieri (Scudder, 1885)

ARCHOTERMOPSIDAE

Parotermes insignis Scudder, 1883

Zootermopsis coloradensis (Scudder, 1883)

ARCIDAE

Anadara trilineata (Conrad, 1857)

Arcidae indet.

Barbatia cuculloides (Conrad, 1833)

Linter

Linter stephensoni

ARCTICIDAE

Etea

Etea Conrad, 1875

Etea angulata (Packard, 1922)

Etea occidentalis Dailey & Popenoe, 1966

Roudairia squiresi Kirby & Saul, 1995

Tenea

Tenea Conrad, 1870

Tenea inflata (Gabb, 1864)

ARCTOCYONIDAE

Arctocyon mumak (Van Valen, 1978)

Baioconodon Gazin, 1941

Baioconodon cannoni Middleton & Dewar, 2004

Baioconodon denverensis Gazin, 1941

Baioconodon nordicus (Jepsen, 1930)

Colpoclaenus keeferi Patterson & McGrew, 1962

Desmatoclaenus protogonioides (Cope, 1882)

Loxolophus hyattianus (Cope, 1885)

Maiorana van Valen, 1978

Mimotricentes ischyrus (Gingerich, 1978)

Oxyprimus galadrielae Van Valen, 1978

Oxyprimus van Valen, 1978

Thryptacodon antiquus Matthew & Granger, 1915

Thryptacodon australis Simpson, 1935

Tricentes Cope, 1883

ARCTOSTYLOPIDAE

Arctostylops Matthew, 1915

ARECACEAE

Chamaedorea danae Brown, 1962

Eolirion Schenk, 1869

Oreodoxites plicatus Lesquereux, 1883

Palmocarpon Lesquereux, 1878

Palmoxylon Schenk, 1882

Paloreodoxites plicatus Brown, 1962

Sabal Adans.

Sabal grayana Brown, 1962

Sabal imperialis Brown, 1962

Sabalites G.Saporta, 1865

ARENICOLIDAE

Arenicolites carbonaria (Binney, 1852)

ARENICOLITIDAE

Arenicolites Salter, 1857

ARGIDAE

Sterictiphora konowi (Rohwer, 1908)

ARGIOLESTIDAE

Lithagrion hyalinum Scudder, 1890

Miopodagrion optimum (Cockerell, 1916)

ARISTOLOCHIACEAE

Aristolochia L.

ARTHROSTYLIDAE

Sceptropora Ulrich, 1888

ASAPHIDAE

Vogdesia bromidensis

ASCOCERATIDAE

Probillingsites Foerste, 1928

ASILIDAE

Asilus Linnaeus, 1758

Asilus amelanchieris Cockerell, 1911

Asilus curculionis Melander, 1947

Asilus florissantinus James, 1939

Asilus peritulus Cockerell, 1909

Asilus wickhami Cockerell, 1914

Ceraturgus praecursor (James, 1939)

Cophura antiquella Cockerell, 1913

Dioctria florissantina (Cockerell, 1909)

Dioctria pulveris Cockerell, 1917

Leptogaster Meigen, 1803

Leptogaster prior Melander, 1947

Lestomyia miocenica James, 1939

Microstylum destructum Cockerell, 1909

Microstylum wheeleri Cockerell, 1908

Nicocles miocenicus Cockerell, 1909

Philonicus saxorum James, 1939

Saropogon oblitescens Cockerell, 1914

Senoprosopis antiquus (James, 1939)

Senoprosopis borealis (James, 1939)

Senoprosopis eureka Melander, 1949

Senoprosopis romeri Hull, 1958

Stenocinclis Scudder, 1878

Stenocinclis anomala Scudder, 1878

Taracticus contusus Cockerell, 1910

Taracticus hypogaeus (Cockerell, 1909)

Taracticus renovatus Cockerell, 1911

ASPARAGACEAE

Nolina bigelovii (Torr.) S.Watson

ASPLENIACEAE

Asplenium L.

Asplenium delicatulum C.Presl

Asplenium erosum L.

ASTARTIDAE

Alleinacin acerba (Hanna, 1924)

Alleinacin sulcata (Packard, 1922)

Astarte J.Sowerby, 1816

Astartidae indet.

Eriphyla

Eriphyla lapidis (Packard, 1922)

Eriphyla ovoides (Packard, 1922)

Eriphyla veatchii (Gabb, 1864)

Opis

Opis (Hesperopis) anae Squires & Saul, 2009

Opis (Hesperopis) holzana Squires & Saul, 2009

Opis (Hesperopis) popenoei Squires & Saul, 2009

Opis (Hesperopis) rosarioensis Anderson & Hanna, 1935

Opis (Hesperopis) triangulata (Cooper, 1894)

Opis (Hesperopis) vancouverensis (Whiteaves, 1879)

ASTERACEAE

Bidens L.

Erigeron formosissimus Greene

Senecio L.

ASTERIGERINATIDAE

Eoeponidella yampensis Morris, 1971

ASTEROTHECACEAE

Pecopteris (A.T.Brongniart) Sternberg, 1825

Scolecopteris Zenker, 1837

ASTRASPIDIDAE

Astraspis Walcott, 1892

Astraspis desiderata Walcott, 1892

ATAPHRIDAE

Ataphrus "acarus" Saul, m.s.

Ataphrus compactus Gabb, 1864

ATHERICIDAE

Atrichops hesperius Cockerell, 1914

ATHYRIDIDAE

Athyris M'Coy, 1844

Cleiothyridina Buckman, 1906

Spirigera d'Orbigny, 1847

ATRYPIDAE

Zygospira modesta (Hall, 1847)

ATTELABIDAE

Anthonomus arctus (Scudder, 1893)

Docirhynchus terebrans Scudder, 1893

Erirhinus dormitus (Scudder, 1893)

Eugnamptidea florissantensis (Wickham, 1913)

Eugnamptidea robusta Wickham, 1916

Eugnamptidea tertiaria H.F.Wickham, 1912

Isothea alleni Scudder, 1893

Masteutes rupis Scudder, 1893

Masteutes saxifer Scudder, 1893

Paleoclinolabus dormitus (Scudder, 1893)

Paltorhynchus sedatus (Scudder, 1893)

Prodeporaides laminarum (Wickham, 1916)

Prodeporaides subterraneus (Scudder, 1893)

Prodeporaides vulcan (Wickham, 1916)

Prodeporaides wymani (Scudder, 1893)

Prodeporaus curiosum (Scudder, 1893)

Prodeporaus exanimale (Scudder, 1893)

Prodeporaus exilis (Wickham, 1913)

Prodeporaus minutissimus (Wickham, 1913)

Prodeporaus smithii (Scudder, 1893)

Pseudomesauletes culex Legalov, 2003

Pseudomesauletes ibis (Wickham, 1912)

Pseudomesauletes obliquus (Wickham, 1913)

Steganus barrandei Scudder, 1893

Teretrum primulum Scudder, 1893

Toxorhynchus arctus (Scudder, 1893)

Toxorhynchus confectum (Scudder, 1893)

Toxorhynchus corruptus (Scudder, 1893)

Toxorhynchus florissantensis (Wickham, 1916)

Toxorhynchus grandis H.F.Wickham, 1911

Toxorhynchus minusculus Scudder, 1893

Toxorhynchus oculatus Scudder, 1893

Toxorhynchus pumilum (Scudder, 1893)

Toxorhynchus refrenatum (Scudder, 1893)

Toxorhynchus reventus (Scudder, 1893)

Toxorhynchus scudderianum (Wickham, 1916)

Trypanorhynchus corruptivus Scudder, 1892

ATURIIDAE

Aturia

AULACIDAE

Aulacus bradleyi (Brues, 1910)

Pristaulacus rohweri Brues, 1910

Pristaulacus secundus (Cockerell, 1916)

AULOPHYLLIDAE

Campophyllum Milne-Edwards & Haime, 1850

Clisiophyllum Dana, 1846

Neokoninckophyllum Fomitchev, 1953

AVICULARIIDAE

Eodiplurina cockerelli Petrunkevitch, 1922

BACULITIDAE

Baculites

Baculites Lamarck, 1799

Baculites anceps Lamarck, 1822

Baculites aquilaensis Reeside, 1927

Baculites asper Morton, 1830

Baculites bailyi Woods, 1906

Baculites boulei Collignon, 1931

Baculites capensis Woods, 1906

Baculites chicoensis Trask, 1856

Baculites codyensis Reeside, 1927

Baculites compressus Say, 1920

Baculites crickmayi Williams, 1930

Baculites haresi (Reeside, 1927)

Baculites inornatus Meek, 1862

Baculites kirki Matsumoto, 1959

Baculites lomaensis Anderson, 1958

Baculites mclearni Russell & Landes, 1937

Baculites meeki Elias, 1933

Baculites obtusus (Meek, 1876)

Baculites occidentalis Meek, 1862

Baculites ovatus Say, 1820

Baculites ovatus haresi (Reeside, 1927)

Baculites rex Anderson, 1958

Baculites schencki Matsumoto, 1959

Baculites undatus Stephenson, 1941

Baculites yokoyamai (Tokunga & Shimizu, 1926)

Baculitidae indet.

Baulites

Eubaculites

Pseudobaculites Cobban, 1952

Sciponoceras

Sciponoceras Hyatt, 1894

Sciponoceras fairbanksi (Anderson, 1958)

Sciponoceras gracile (Shumard, 1860)

Sciponoceras kossmati (Nowak, 1908)

Trachybaculites columna (Morton, 1834)

BAENIDAE

Baena Leidy, 1870

Baena arenosa Leidy, 1870

Cedrobaena brinkman (Lyson & Joyce, 2009)

Dorsetochelys buzzops Bakker, 1998

Palatobaena bairdi Gaffney, 1972

Plesiobaena Gaffney, 1972

Plesiobaena antiqua (Lambe, 1902)

Stygiochelys estesi Gaffney & Hiatt, 1971

BAGGINIDAE

Gyroidina globosa var. orbicella Bandy, 1951

BAIRDIIDAE

Bairdia ventricosa Brady, 1890

BAISSOPTERIDAE

Dictyoraphidia veterana (Scudder, 1890)

BAKEVELLIIDAE

Gervillia

BALOGNATHIDAE

Amorphognathus Branson & Mehl, 1933

BARTRAMIACEAE

Plagiopodopsis E.G.Britton & Hollick, 1915

BARYLAMBDIDAE

Barylambda Patterson, 1937

Barylambda faberi (Patterson, 1933)

Haplolambda quinni Patterson, 1939

Leptolambda schmidti Patterson & Simons, 1958

BATHORNITHIDAE

Bathornis veredus Wetmore, 1927

Paracrax antiqua (Shufeldt, 1915)

BATILLARIIDAE

Batillariidae indet.

Pyrazus (Echinobathra) austinense (Roemer, 1888)

BATRACHOSAUROIDIDAE

Opisthotriton kayi Auffenberg, 1961

BAURUSUCHIDAE

Pteraichnus Stokes, 1957

BELEMNITIDAE

Acroteuthis shastensis Anderson, 1938

BELIDAE

Paltorhynchus bisulcatus Scudder, 1893

Paltorhynchus depratus (Scudder, 1893)

Paltorhynchus narwhal Scudder, 1893

Paltorhynchus rectirostris Scudder, 1893

BELLEMNITELLIDAE

Belemnitella d'Orbigny, 1840

BELLEROPHONTIDAE

Bellerophon Montfort, 1808

Pharkidonotus percarinatus (Conrad, 1842)

BELOSTOMATIDAE

Belostoma bakeri Montandon, 1913

Lethocerus americanus (Leidy, 1847)

BERBERIDACEAE

Berberis L.

Mahonia Nutt.

Odostemon Raf.

BEROTHIDAE

Xenoberotha angustialata Makarkin, 2017

BETHYLIDAE

Epyris deletus Brues, 1910

BETULACEAE

Alnus Mill.

Asterocarpinus S.R.Manchester & P.R.Crane, 1987

Betula L.

Betula saitoana Nakai

Carpinus L.

Corylus insignis Heer, 1871

Paracarpinus S.R.Manchester & P.R.Crane, 1987

BIBIONIDAE

Bibiodes intermedia James, 1937

Dilophus Meigen, 1803

Penthetria Meigen, 1803

Penthetria creedensis (James, 1938)

Penthetria intermedia (Scudder, 1892)

Penthetria longifurca Melander, 1949

Plecia Wiedemann, 1828

Plecia akerionana Fitzgerald, 1999

Plecia axeliana Cockerell, 1915

Plecia decapitata Cockerell, 1917

Plecia explanata Cockerell, 1917

Plecia gradata Melander, 1949

Plecia melanderi (Cockerell, 1911)

Plecia orycta Melander, 1949

Plecia pealei Scudder, 1890

Plecia rhodopterina Cockerell, 1924

Plecia tessella Melander, 1949

Plecia winchesteri Cockerell, 1917

BIBLIONIDAE

Bibio Geoffroy, 1762

Bibio capnodes Melander, 1949

Bibio cockerelli James, 1937

Bibio excurvatus Melander, 1949

Bibio explanatus Melander, 1949

Bibio jamesi Melander, 1949

Bibio podager Melander, 1949

Bibio vetus James, 1937

Bibio vulcanius Melander, 1949

Bibio wickhami Cockerell, 1915

BIGNONIACEAE

Bignonia L.

Chilopsis D.Don

BILLINGSELLIDAE

Orthis coloradoensis (Shumard, 1860)

BINNEYITIDAE

Borissiakoceras Archangelskil, 1916

Borissiakoceras orbiculatum Stephenson, 1955

BITTACIDAE

Palaeobittacus eocenicus Carpenter, 1928

BIXACEAE

Myrtophyllum torreyi Dorf, 1942

BLABERIDAE

Diploptera gemini Barna, 2016

Diploptera savba Šmídová, 2016

Diploptera vladimir Vršanský, 2016

Zetobora Burmeister, 1838

BLASTICOTOMIDAE

Runaria ostenta (Brues, 1908)

BLECHNACEAE

Blechnum anceps Brown, 1962

Woodwardia arctica Brown, 1962

Woodwardia latiloba Ching & P.S.Chiu

BLEPHARICERIDAE

Philorites johannseni Cockerell, 1908

Philorites pallescens Cockerell, 1920

BOIDAE

Calamagras angulatus (Cope, 1873)

Calamagras murivorus Cope, 1873

Calamagras talpivorus (Cope, 1873)

Cheilophis huerfanoensis Gilmore, 1938

Neurodromicus dorsalis Cope, 1873

BOLLIIDAE

Ulrichia Jones, 1890

BOMBYLIIDAE

Alepidophora cockerelli Melander, 1949

Alepidophora minor Melander, 1949

Alepidophora pealei Cockerell, 1909

Alomatia fusca Cockerell, 1914

Amphicosmus delicatulus Melander, 1949

Apolysis magister Melander, 1947

Comptosia miranda (Cockerell, 1909)

Desmatomyia scopulicornis (Cockerell, 1917)

Dolichomyia tertiaria Cockerell, 1917

Dolichomyia testea (Melander, 1949)

Geron platysoma Cockerell, 1915

Lomatia Meigen, 1822

Melanderella glossalis Cockerell, 1909

Pachysystropus condemnatus Cockerell, 1910

Pachysystropus rohweri Cockerell, 1909

Paracosmus antiquus (Cockerell, 1914)

Paracosmus coquilletti (Cockerell, 1909)

Paracosmus palpalis (Cockerell, 1914)

Paracosmus recurrens (Cockerell, 1916)

Poecilognathus stigmalis (Cockerell, 1915)

Protophthiria palpalis Cockerell, 1914

Tithonomyia atra (Melander, 1949)

Verrallites cladurus Cockerell, 1913

Villa setosa (Cockerell, 1916)

Ylasoia secunda (Cockerell, 1911)

BORSONIIDAE

Borsoniidae indet.

BOSTRICHIDAE

Amphicerus sublaevis Wickham, 1914

Dinoderus cuneicollis Wickham, 1913

Protapate contorta Wickham, 1912

Trogoxylon parallelopipedum (Melsheimer, 1846)

Xylobiops lacustre Wickham, 1912

BOTHRIOLEPIDIDAE

Bothriolepis coloradensis Eastman, 1904

BOVIDAE

Bison C.H.Smith, 1827

Bison alleni Marsh, 1877

Bison antiquus Leidy, 1852

Bison bison (Linnaeus, 1758)

Bison latifrons (Harlan, 1825)

Bison occidentalis (Lucas, 1898)

Oreamnos harringtoni Stock, 1936

Ovis Linnaeus, 1758

Ovis canadensis Shaw, 1804

Symbos Osgood, 1905

BRACHIOSAURIDAE

Brachiosaurus Riggs, 1903

Brachiosaurus altithorax (Riggs, 1903)

BRACHYCERIDAE

Erycus H.Tournier, 1874

Grypidius curvirostris Scudder, 1893

Numitor claviger Scudder, 1893

Procas verberatus Scudder, 1893

Procas vinculatus Scudder, 1893

Tanysphyrus lemnae (Paykull & G.de, 1792)

BRACONIDAE

Agathis Latreille, 1804

Alysia Latreille, 1804

Alysia exigua Brues, 1910

Alysia petrina Brues, 1910

Alysia phanerognatha Cockerell, 1927

Alysia ruskii Cockerell, 1913

Aspicolpus repertus (Brues, 1910)

Bassus juvenilis (Brues, 1910)

Bassus miocenicus (Cockerell, 1927)

Bassus velatus (Brues, 1910)

Blacus Nees, 1818

Bracon Fabricius, 1804

Bracon abstractus Brues, 1910

Bracon cockerelli Brues, 1910

Bracon laminarum Scudder, 1878

Bracon resurrectus Brues, 1910

Chelonus depressus Brues, 1910

Chelonus muratus Brues, 1910

Chelonus solidus Brues, 1910

Colastes abrogatus (Brues, 1910)

Colemanus keeleyorum Fisher, 2015

Cremnops florissanticola (Cockerell, 1919)

Dyscoletes soporatus Brues, 1910

Earinus saxatilis (Brues, 1910)

Eubazus wilmattae (Brues, 1910)

Euphorus indurescens Brues, 1910

Microgaster Latreille, 1804

Microgaster primordialis Brues, 1906

Microplitis vesperus Brues, 1910

Oligoneuroides destructus Brues, 1910

Rhogas tertiarius Brues, 1906

Urosigalphus aeternus Brues, 1910

BRADYINIDAE

Bradyina magna Roth & Skinner, 1930

BRANCHINECTIDAE

Branchinecta Verrill, 1869

BRANCOCERATIDAE

Mortoniceras (Mortoniceras) gainesana (Anderson, 1958)

BRENTHIDES

Palaeonanophyes zherikhini Legalov, 2015

BRONTOTHERIIDAE

Brontops Marsh, 1887

Brontotherium Marsh, 1873

Brontotherium gigas (Marsh, 1873)

Brontotherium ingens (Marsh, 1873)

Eotitanops Osborn, 1907

Eotitanops borealis Cope, 1880

Eotitanops minimus Osborn, 1919

Lambdotherium Cope, 1880

Lambdotherium popoagicum Cope, 1880

Megacerops Leidy, 1870

Megacerops acer (Cope, 1873)

Megacerops kuwagatarhinus Mader & Alexander, 1995

Menodus Pomel, 1849

Menodus trigonoceras (Cope, 1873)

Menops Marsh, 1887

Mesatirhinus Osborn, 1908

Metarhinus Osborn, 1908

Nanotitanops Qi & Beard, 1998

Palaeosyops Leidy, 1870

Palaeosyops fontinalis (Cope, 1873)

Sphenocoelus uintensis Osborn, 1895

Telmatherium Marsh, 1872

Titanops curtus (Marsh, 1887)

Titanotherium Leidy, 1852

Wickia brevirhinus Mihlbachler, 2008

BUCANELLIDAE

Bucanella Meek, 1871

Bucanella nana Meek, 1871

BUCANIIDAE

Bellerophon ourayensis (Gurley, 1884)

BUCCINIDAE

Brachysphingus gibbosus Nelson, 1925

Buccinidae indet.

Calkota daileyi Squires & Saul, 2003

Cantharus "occidentalis" (Gabb, 1869)

Cominella lecontei White, 1889

Deussenia serriana Squires & Saul, 2000

Eripachya jalama Saul & Squires, 2003

Eripachya ponderosa (Gabb, 1864)

Eripachya vaccina Saul & Popenoe, 1993

Mataxa arida Squires & Saul, 2003

Micasarcina vallis Squires & Saul, 2003

Odontobasis Meek, 1876

Ornopsis? dysis Squires & Saul, 2006

Pentzia hilgardi (White, 1889)

Plectocion curvirostris Gabb, 1864

Plectocion montis Squires & Saul, 2003

Siphonalia

Zaglenum pentzensis Squires & Saul, 2001

BUFONIDAE

Bufo Garsault, 1764

Bufo Laurenti, 1768

Bufo woodhousii Girard, 1854

BULLIDAE

Bullaria tumida (Packard, 1922)

BUNOMERYCIDAE

Hylomeryx Peterson, 1919

BUPRESTIDAE

Acmaeodera nigrovittata Van Dyke, 1934

Agrilus liragus Barter & Brown, 1949

Agrilus praepolitus Wickham, 1914

Anthaxia exhumata Wickham, 1913

Anthaxia prasina Horn, 1882

Brachyspathus curiosus Wickham, 1917

Buprestis florissantensis Wickham, 1914

Buprestis megistarche Cockerell, 1926

Buprestis scudderi Wickham, 1914

Buprestis tertiaria Scudder, 1879

Chrysobothris coloradensis Wickham, 1914

Chrysobothris gahani Cockerell, 1911

Chrysobothris haydeni Scudder, 1876

Chrysobothris suppressa Wickham, 1914

Dicerca eurydice Wickham, 1914

Melanophila cockerellae Wickham, 1912

Melanophila handlirschi Wickham, 1912

Melanophila heeri Wickham, 1914

Ptosima abyssa (Wickham, 1912)

Ptosima schaefferi (Wickham, 1912)

Ptosima sylvatica Wickham, 1914

BURSERACEAE

Bursera Jacq. ex L.

Bursera serrata Wall. ex Colebr.

Rosselia Forman

BUTHIDAE

Uintascorpio halandrasorum Perry, 1995

BYRRHIDAE

Amphicyrta inhaesa Scudder, 1900

Arctobyrrhus subcanus (LeConte, 1878)

Byrrhus eximius LeConte, 1850

Byrrhus romingeri Scudder, 1900

Cytilus tartarinus Scudder, 1900

Simplocaria tessellata (Le Conte, 1850)

CACTACEAE

Cylindropuntia imbricata (Haw.) F.M.Knuth

Echinocereus mojavensis (Engelm. & Bigelow) Rümpler

Echinocereus reichenbachii var. perbellus (Britton & Rose) L.D.Benson

Echinocereus triglochidiatus var. melanacanthus (Engelm.) L.D.Benson

Ferocactus covillei Britton & Rose

Opuntia polyacantha Haw.

Pediocactus simpsonii var. minor (Engelm.) Cockerell

CALAMITACEAE

Annularia Sternberg, 1821

Asterophyllites A.T.Brongniart, 1828

Asterophyllites charaeformis Goeppert, 1844

Calamites A.T.Brongniart, 1828

Calamites Suckow, 1784

Calamostachys W.P.Schimper, 1880

CALAMOPITYACEAE

Adiantites H.R.Göppert, 1836

CALISCELIDAE

Pterygoma Melichar, 1903

CALLIANASSIDAE

Callianassidae indet.

CALLIOSTOMATIDAE

Calliostoma

Calliostoma gemmulatum Carpenter, 1864

CALLIOTROPIDAE

Calliomphalus

CALLIPHORIDAE

Cochliomyia macellaria (Fabricius, 1775)

CALLORHINCHIDAE

Ischyodus rayhaasi Hoganson & Erickson, 2005

CALYPTRAEIDAE

Crepidula excavata (Broderip, 1834)

CAMARASAURIDAE

Camarasaurus Cope, 1877

Camarasaurus agilis (Marsh, 1889)

Camarasaurus lewisi (Jensen, 1988)

Camarasaurus supremus Cope, 1877

Morosaurus agilis Marsh, 1889

CAMAROTOECHIIDAE

Camarotoechia Hall & Clarke, 1894

CAMBARIDAE

Procambarus primaevus (Packard, 1880)

CAMELIDAE

Aepycamelus Macdonald, 1956

Aepycamelus giraffinus (Matthew, 1909)

Aepycamelus leptocolon (Matthew, 1909)

Alforjas Harrison, 1979

Auchenia huerfanensis (Cragin, 1892)

Blickomylus galushai Frick & Taylor, 1968

Camelops Leidy, 1854

Camelops hesternus Leidy, 1854

Camelops huerfanensis (Cragin, 1892)

Camelops niobrarensis (Leidy, 1858)

Gigantocamelus Barbour & Schultz, 1939

Hemiauchenia macrocephala (Cope, 1893)

Matthewlabis cedrensis (Matthew, 1901)

Megatylopus gigas (Matthew & Cook, 1909)

Michenia Frick & Taylor, 1971

Miolabis Hay, 1899

Miolabis longiceps (Matthew, 1909)

Oxydactylus Peterson, 1904

Paratylopus labiatus (Cope, 1881)

Poebrotherium Leidy, 1847

Poebrotherium eximium Hay, 1902

Poebrotherium labiatum (Cope, 1881)

Poebrotherium wilsoni Leidy, 1847

Procamelus Leidy, 1858

Procamelus robustus (Leidy, 1858)

Protolabis Cope, 1876

Protolabis heterodontus (Cope, 1874)

CAMEROSPONGIIDAE

Robinia Finks, Hollocher & Thies, 2011

CAMPANILIDAE

Campanilidae indet.

Diozoptyxis ursana Saul & Squires, 1998

CAMPODEIDAE

Onychocampodea onychis Pierce, 1951

CAMPTOSAURIDAE

Camptosaurus Marsh, 1885

Camptosaurus dispar Marsh, 1879

CANCRISIDAE

Gyroidina depressa (Alth, 1850)

Valvulineria plummerae Loetterle, 1937

CANDONIDAE

Candona Baird, 1845

CANIDAE

Aelurodon Leidy, 1858

Aelurodon asthenostylus Wang et al., 1999

Borophagus pugnator (Cook, 1922)

Canis Linnaeus, 1758

Canis edwardii Gazin, 1942

Canis familiaris Linnaeus, 1758

Canis latrans Say, 1823

Canis lupus Linnaeus, 1758

Carpocyon compressus (Cope, 1890)

Carpocyon robustus (Green, 1948)

Cormocyon copei Wang & Tedford, 1992

Cynarctoides acridens (Barbour & Cook, 1914)

Cynarctoides roii (Macdonald, 1963)

Cynodesmus casei (Wilson, 1939)

Cynodictis angustidens (Marsh, 1871)

Cynodictis paterculus (Matthew, 1903)

Epicyon haydeni (Leidy, 1858)

Hesperocyon Scott, 1890

Hesperocyon coloradensis Wang, 1994

Hesperocyon gregarius (Cope, 1873)

Leptocyon Matthew, 1918

Leptocyon vafer (Leidy, 1858)

Mesocyon Scott, 1890

Mesocyon robustus (Matthew, 1907)

Mesocyon temnodon (Wortman & Matthew, 1899)

Microtomarctus conferta (Matthew, 1918)

Nothocyon Matthew, 1899

Nothocyon vulpinus (Matthew, 1907)

Paracynarctus kelloggi (Merriam, 1911)

Phlaocyon Matthew, 1899

Phlaocyon annectens (Peterson, 1907)

Phlaocyon leucosteus Matthew, 1899

Phlaocyon willistoni (Peterson, 1923)

Protomarctus optatus (Matthew, 1924)

Tephrocyon hippophagus (Matthew & Cook, 1909)

Tephrocyon kelloggi (Merriam, 1911)

Tomarctus Cope, 1873

Tomarctus brevirostris Cope, 1873

Urocyon cinereoargenteus (Schreber, 1775)

Vulpes Frisch, 1775

Vulpes stenognathus Savage, 1941

Vulpes velox (Say, 1823)

Vulpes vulpes (Linnaeus, 1758)

CANNABACEAE

Celtis L.

Humulus L.

CANTHARIDAE

Atalantycha humata (Wickham, 1913)

Cantharis Linnaeus, 1758

Chauliognathus pristinus Scudder, 1876

Podabrus cupesoides Wickham, 1917

Podabrus florissantensis Wickham, 1914

Podabrus fragmentatus Wickham, 1914

Podabrus wheeleri Wickham, 1909

Polemius crassicornis Wickham, 1914

Rhagonycha hesperus (Wickham, 1914)

Trypherus aboriginalis Wickham, 1913

CAPRIFOLIACEAE

Diplodipelta S.R.Manchester & M.J.Donoghue, 1995

Symphoricarpos Dill. ex Juss.

CAPRINIDAE

Caprinidae indet.

Coralliochama

CAPULIDAE

Ariadnaria aldersoni Saul & Squires, 2008

Ariadnaria obstricta (White, 1889)

Ariadnaria stibara Saul & Squires, 2008

Astandes salsa Squires & Saul, 2003

Capulidae indet.

Garzasia diabla Saul & Squires, 2008

Garzasia intermedia (Cooper, 1894)

Lysis

Lysis duplicosta Gabb, 1864

Lysis jalamaca Saul & Squires, 2008

Lysis lomaensis Saul & Squires, 2008

Lysis mickeyi Saul & Squires, 2008

Lysis suciensis (Whiteaves, 1879)

Minytropis melilota Squires & Saul, 2005

Paxitropis dicriota Squires & Saul, 2005

Trichotropis

Trichotropis "chicoensis" Saul, m.s.

Turbinopsis Conrad, 1860

CARABIDAE

Amara cockerelli Wickham, 1912

Amara danae Scudder, 1900

Amara powellii Scudder, 1900

Amara revocata Scudder, 1900

Amara sterilis Scudder, 1900

Amara veterata Scudder, 1900

Bembidion Latreille, 1802

Bembidion bimaculatum (Kirby, 1837)

Bembidion breve (Motschulsky, 1845)

Bembidion coloradense Hayward, 1897

Bembidion constricticolle Hayward, 1897

Bembidium florissantensis Wickham, 1913

Bembidium obductum Scudder, 1900

Bembidium tumulorum Scudder, 1900

Brachynus newberryi Scudder, 1900

Brachynus repressus Scudder, 1900

Calosoma calvini Wickham, 1909

Calosoma cockerelli Wickham, 1910

Calosoma emmonsii Scudder, 1900

Carabites arapahoensis Cockerell, 1918

Carabus jeffersoni Scudder, 1900

Cicindela Linnaeus, 1758

Cicindela haemorrhagica LeConte, 1851

Cratacanthus florissantensis Wickham, 1917

Dyschirius Bonelli, 1810

Elaphropus incurvus (Say, 1830)

Elaphrus Fabricius, 1775

Elaphrus finitimus Casey, 1920

Evarthrus tenebricus Scudder, 1900

Harpalus Latreille, 1802

Harpalus maceratus Wickham, 1911

Harpalus nuperus Scudder, 1900

Harpalus redivivus Wickham, 1917

Harpalus ulomaeformis Wickham, 1917

Harpalus veterum Cockerell, 1920

Harpalus whitfieldi Scudder, 1900

Lebia protospiloptera Cockerell, 1921

Myas rigefactus Scudder, 1900

Myas umbrarum Scudder, 1900

Nebria occlusa Scudder, 1900

Neothanes testeus (Scudder, 1878)

Nomaretus serus Scudder, 1900

Nothopus kingii Scudder, 1900

Omus audouini Reiche, 1838

Paussopsis nearctica Cockerell, 1911

Platynus Bonelli, 1810

Platynus caesus Scudder, 1890

Platynus florissantensis Wickham, 1913

Platynus insculptipennis Wickham, 1917

Platynus senex Scudder, 1878

Platynus tartareus Scudder, 1900

Plochionus lesquereuxi Scudder, 1900

Pterostichus Bonelli, 1810

Pterostichus abrogatus Scudder, 1890

Pterostichus pumpellyi Scudder, 1900

Pterostichus walcotti Scudder, 1900

Rembus henshawi (Scudder, 1890)

Stenolophus religatus Scudder, 1900

Tachys haywardi Wickham, 1913

Trechus fractus Wickham, 1912

CARCHARHINIDAE

Galeocerdo fasciatus van Kampen, 1907

CARCINERETIDAE

Longusorbis cuniculosus Richards, 1975

CARDIIDAE

Americardia "myra"

Cardiidae indet.

Cardium Linnaeus, 1758

Cardium whitei (Dall, 1901)

Clinocardium (Clinocardium) nuttallii (Conrad, 1837)

Dallocardia quadragenarium (Conrad, 1837)

Pachycardium

Pachycardium coronaense (Packard, 1922)

Protocardia

Protocardia (Pachycardium) placerensis (Gabb, 1864)

Protocardia Beyrich, 1845

CARDIOCERATIDAE

Cardioceras Neumayr & Uhlig, 1881

Quenstedtoceras Hyatt, 1900

CARDIOPTERIDACEAE

Cardiopteris Wall. ex Royle

CARDITIDAE

Cardita

Carditidae indet.

Venericardia (Pacificor) taliaferroi Verastegui, 1953

Venericardia Lamarck, 1801

CARPOLESTIDAE

Carpodaptes aulacodon Matthew & Granger, 1921

Carpodaptes cygneus (Russell, 1967)

CARYOPHYLLIIDAE

Trochocyathus californianus Vaughan, 1900

Trochocyathus egerius (White, 1879)

CASSIDULIDAE

Cassidulus mercedensis Anderson, 1958

Hardouinia taylori (Warren, 1926)

CASSIOPIDAE

Cassiope (Cassiope) kleinpelli Allison, 1955

CASTNIIDAE

Dominickus castnioides Tindale, 1985

CASTORIDAE

Agnotocastor Stirton, 1935

Agnotocastor coloradensis Wilson, 1949

Euroxenomys Samson & Radulesco, 1973

Hystricops Leidy, 1858

Monosaulax Stirton, 1935

Monosaulax curtus (Matthew & Cook, 1909)

Palaeocastor Leidy, 1869

CATENIPORIDAE

Catenipora robusta (Wilson, 1926)

CATHARTIDAE

Palaeogyps prodromus Wetmore, 1927

Phasmagyps patritus Wetmore, 1927

CATOSTOMIDAE

Amyzon Cope, 1872

Amyzon commune Cope, 1874

Amyzon fusiforme Cope, 1875

Amyzon pandatum Cope, 1875

CECIDOMYIIDAE

Lithomyza condita Scudder, 1877

CELASTRACEAE

Celastrophyllum Göppert, 1854

Celastrus L.

Celastrus venulosus Wall.

Elaeodendron polymorphum Ward

Euonymus L.

Maytenus Molina

CEPHIDAE

Janus disperditus Cockerell, 1913

CERAMBYCIDAE

Anelaphus Linsley, 1936

Anelaphus extinctus (Wickham, 1914)

Arhopalus pavitus (Cockerell, 1927)

Callidiopsites grandiceps Wickham, 1913

Callimoxys primordialis Wickham, 1911

Clytus pervetustus (Cockerell, 1920)

Dryobius miocenicus Beutenmüller & Cockerell, 1908

Elaphidion fracticorne Wickham, 1911

Gaurotes striatopunctatus Wickham, 1914

Grammoptera Audinet-Serville, 1835

Grammoptera nanella (Wickham, 1914)

Judolia antecurrens (Wickham, 1913)

Leptostylus scudderi Wickham, 1914

Leptura petrorum Wickham, 1912

Leptura ponderosissima Wickham, 1913

Leptura wickhami Linsley, 1942

Megacyllene Casey, 1912

Megacyllene florissantensis (Wickham, 1914)

Palaeosmodicum hamiltoni Wickham, 1914

Parandra florissantensis (Wickham, 1920)

Parolamia rudis Scudder, 1878

Phymatodes grandaevus (Wickham, 1917)

Phymatodes miocenicus Wickham, 1914

Phymatodes volans Beutenmüller & Cockerell, 1908

Pidonia Mulsant, 1863

Pidonia ingenua (Wickham, 1914)

Pidonia leidyi (Wickham, 1913)

Protipochus vandykei Wickham, 1914

Protoncideres primus Wickham, 1913

Psapharochus Casey, 1913

Psapharochus lengii (Wickham, 1914)

Saperda caroli Vitali, 2015

Saperda florissantensis Wickham, 1916

Scaptolenopsis wilmattae Wickham, 1914

Semanotus puncticollis (Wickham, 1914)

Stenosphenus pristinus Wickham, 1914

Tetraopes submersus (Cockerell, 1908)

CERATODONTIDAE

Ceratodus Agassiz, 1838

Ceratodus felchi Kirkland, 1987

Ceratodus guentheri (Marsh, 1878)

CERATOPOGONIDAE

Atrichopogon Kieffer, 1906

Culicoides Borkent, 2014

Dasyhelea Kieffer, 1911

Dasyhelea australia Wirth, 1952

Dasyhelea browneae Pierce, 1966

Dasyhelea dara Pierce, 1966

Dasyhelea judithae Pierce, 1966

Dasyhelea kanakoffi Pierce, 1966

Dasyhelea stenoceras Palmer, 1957

Forcipomyia Meigen, 1818

Johannsenomyia Malloch, 1915

Neoculicoides Boorman & Lane, 1979

Neoculicoides jeanneae Pierce, 1966

Palpomyia freyi (Pierce, 1966)

Palpomyia multispinosa (Pierce, 1966)

Palpomyia ryshkoffi (Pierce, 1966)

Palpomyia shilo (Pierce, 1966)

Paraculicoides rouseae Pierce, 1966

CERATOPSIDAE

Pentaceratops sternbergii Osborn, 1923

Polyonax mortuarius (Cope, 1874)

Torosaurus latus Marsh, 1891

Triceratops Marsh, 1889

Triceratops alticornis (Marsh, 1887)

Triceratops galeus Marsh, 1889

Triceratops horridus (Marsh, 1889) Marsh, 1889

CERATOSAURIDAE

Ceratosaurus Marsh, 1884

Ceratosaurus nasicornis Marsh, 1884

CERCIDIPHYLLACEAE

Cercidiphyllum Siebold & Zucc.

CERCOPIDA

Cercopites calliscens Scudder, 1890

Lithecphora diaphana Scudder, 1890

Lithecphora murata Scudder, 1890

Lithecphora setigera Scudder, 1890

Lithecphora unicolor Scudder, 1890

Locrites Scudder, 1890

Locrites copei Scudder, 1890

Locrites whitei Scudder, 1890

Palecphora Scudder, 1890

Palecphora communis Scudder, 1890

Palecphora inornata Scudder, 1890

Palecphora maculata Scudder, 1890

Palecphora marvinei Scudder, 1890

Palecphora praevalens Scudder, 1890

Prinecphora balteata Scudder, 1890

CERCOPIDAE

Cercopis cephalinus Cockerell, 1921

Cercopis suffocata Scudder, 1890

CERITHIADAE

Voysa Stephenson, 1952

CERITHIIDAE

Cerithiidae indet.

Cerithium

Cerithium (Thericium)

CERITHIOPSIDAE

Cerithiopsis Forbes & Hanley, 1850

CERTOPOGONIDAE

Culicoides carri Pierce, 1966

Culicoides fossilis Pierce, 1966

Culicoides laurae Pierce, 1966

Culicoides megacanthus Palmer, 1957

Culicoides miocenea Pierce, 1966

CERVIDAE

Cervus Linnaeus, 1758

Cervus elaphus Linnaeus, 1758

Odocoileus Rafinesque, 1832

Odocoileus hemionus (Rafinesque, 1817)

CETIOSAURIDAE

Haplocanthosaurus priscus (Hatcher, 1903)

Haplocanthosaurus utterbacki Hatcher, 1903

CETONIIDAE

Cotinis Burmeister, 1842

CHAETETIDAE

Chaetetes Fischer von Waldheim, 1829

Chaetetes milleporaceus Milne-Edwards & Haime, 1851

CHALCIDIDAE

Chalcis Fabricius, 1787

Chalcis perdita Brues, 1910

Chalcis praevalens Cockerell, 1907

Chalcis praevolans Cockerell, 1907

Chalcis tortilis Brues, 1910

Eterochalcis scudderi (Brues, 1910)

CHALICOTHERIIDAE

Moropus elatus Marsh, 1877

Moropus matthewi (Holland & Peterson, 1913)

CHAMPSOSAURIDAE

Champsosaurichnus parfeti Lockley & Hunt, 1995

Champsosaurus Cope, 1877

CHARACEAE

Chara Linnaeus, 1753

Nitella C.Agardh, 1824

CHARINIDAE

Charina prebottae Brattstrom, 1958

CHEIRURIDAE

Ceraurinus icarus (Billings, 1860)

CHELONARIIDAE

Chelonarium Fabricius, 1801

CHELYDRIDAE

Denverus middletoni Hutchison & Holroyd, 2003

Hoplochelys crassa (Cope, 1888)

CHIPLONKARINIDAE

Zimmerella eastoni

CHIRONOMIDAE

Chironomus almelanderi Arnaud, 1966

Chironomus depletus Scudder, 1877

Chironomus patens Scudder, 1877

Chironomus pausatus Melander, 1949

Chironomus primaevus Melander, 1949

Chironomus pristinus Melander, 1949

Chironomus proterus Melander, 1949

Chironomus requiescens Melander, 1949

Chironomus scudderiellus Cockerell, 1916

Diamesa extincta Melander, 1949

CHIROTHERIIDAE

Brachychirotherium Beurlen, 1950

Chirotherium Kaup, 1835

Chirotherium lulli Bock, 1952

Pseudotetrasauropus Ellenberger, 1972

CHLOROPIDAE

Phora tumbae Melander, 1949

CHONETIDAE

Chonetes Fischer de Waldheim, 1830

Mesolobus euampygus (Girty, 1912)

Mesolobus mesolobus decipiens (Girty, 1912)

CHRYSOMELIDAE

Bruchus aboriginalis Wickham, 1914

Bruchus anilis Scudder, 1876

Bruchus antaeus Wickham, 1917

Bruchus bowditchi Wickham, 1912

Bruchus carpophiloides Wickham, 1914

Bruchus dormescens Wickham, 1913

Bruchus exhumatus Wickham, 1912

Bruchus florissantensis (Wickham, 1912)

Bruchus haywardi (Wickham, 1912)

Bruchus henshawi Wickham, 1912

Bruchus osborni Wickham, 1912

Bruchus primoticus (Wickham, 1914)

Bruchus submersus (Wickham, 1914)

Bruchus succintus Wickham, 1913

Bruchus wilsoni (Wickham, 1913)

Chalepus americanus (Wickham, 1914)

Chrysomela vesperalis Scudder, 1900

Chrysomelites Heer, 1865

Colaspis aetatis Wickham, 1911

Colaspis diluvialis Wickham, 1914

Colaspis luti Scudder, 1900

Colaspis proserpina Wickham, 1914

Crioceridea dubia Wickham, 1912

Cryptocephalus miocenus Wickham, 1913

Denaeaspis chelonopsis Chaboo & Engel, 2009

Diabrotica Chevrolat, 1836

Diabrotica bowditchiana Wickham, 1914

Diabrotica exesa Wickham, 1911

Diabrotica florissantella Wickham, 1914

Diabrotica uteana Wickham, 1914

Donacia Fabricius, 1775

Donacia primaeva (Wickham, 1912)

Eosacantha delocranioides Chaboo & Engel, 2009

Haltica renovata (Wickham, 1914)

Lema evanescens Wickham, 1910

Lema fortior Wickham, 1914

Lema lesquereuxi Wickham, 1914

Longitarsus Berthold, 1827

Luperodes submonilis Wickham, 1914

Metachroma florissantensis Wickham, 1912

Oligobruchus Kingsolver, 1965

Oligobruchus florissantensis (Wickham, 1912)

Oligobruchus haywardi (Wickham, 1912)

Oligobruchus primoticus (Wickham, 1914)

Oligobruchus scudderi (Wickham, 1912)

Oligobruchus submersus (Wickham, 1914)

Oligobruchus wilsoni (Wickham, 1913)

Oryctoscirtetes protogaeum Scudder, 1876

Phloeonemites miocenus Wickham, 1912

Plateumaris flavipes (Kirby, 1837)

Plateumaris germari (Mannerheim, 1843)

Plateumaris primaeva (Wickham, 1912)

Plateumaris pusilla (Say, 1826)

Plectrotetrophanes hageni Wickham, 1914

Prochaetocnema florissantella Wickham, 1914

Spermophagus pluto Wickham, 1914

Spermophagus vivificatus Scudder, 1876

Systena florissantensis Wickham, 1913

Trirhabda majuscula Wickham, 1914

Trirhabda megacephala Wickham, 1914

Trirhabda sepulta Wickham, 1914

CHRYSOPIDAE

Archaeochrysa Adams, 1967

Archaeochrysa creedei (Carpenter, 1935)

Archaeochrysa fracta (Cockerell, 1914)

Archaeochrysa paranervis Adams, 1967

Dyspetochrysa vetuscula (Scudder, 1890)

Palaeochrysa concinnula Cockerell, 1909

Palaeochrysa stricta Scudder, 1890

Palaeochrysa wickhami Cockerell, 1914

Tribochrysa firmata Scudder, 1890

Tribochrysa inequalis Scudder, 1885

CICADELLIDAE

Acocephalus callosus Scudder, 1890

Agallia abstructa Scudder, 1890

Agallia flaccida Scudder, 1890

Agallia instabilis Scudder, 1890

Agallia lewisii Scudder, 1890

Bythoscopus lapidescens Scudder, 1877

Cicadella scudderi Cockerell, 1920

Dictyophara bouvei Scudder, 1890

Docimus psylloides Scudder, 1890

Gypona cinercia Scudder, 1890

Jassopsis evidens Scudder, 1890

Jassus latebrae Scudder, 1890

Mesojassoides gigantea Oman, 1937

Miochlorotettix gibroni (Pierce, 1963)

Miochlorotettix kirkbyi (Pierce, 1963)

Miomesamia juliae Pierce, 1963

Phlepsius weissmanae Pierce, 1963

Protochlorotettix calico Pierce, 1963

Tettigonia obtecta Scudder, 1877

Tettigonia priscotincta Scudder, 1877

Thamnotettix eocenicus (Cockerell, 1921)

Thamnotettix fundi Scudder, 1890

Thamnotettix gannetti Scudder, 1890

Thamnotettix packardi Cockerell, 1925

CICADIDAE

Cicada Linnaeus, 1758

Cicada grandiosa Scudder, 1892

Cicadina Linnaeus, 1758

Lithocicada perita Cockerell, 1906

Platypedia primigenia Cockerell, 1908

CIMBICIDAE

Cimbex vetusculus Cockerell, 1922

Eopachylosticta Malaise, 1945

Eopachylosticta byrami (Cockerell, 1925)

Pseudocimbex clavatus Rohwer, 1908

Trichiosomites obliviosus Brues, 1908

CIMOLESTIDAE

Didelphodus absarokae (Cope, 1881)

Didelphodus altidens (Marsh, 1872)

Didelphodus ventanus White, 1952

Gelastops parcus Simpson, 1935

Procerberus andesiticus Middleton & Dewar, 2004

Procerberus grandis Middleton & Dewar, 2004

CIMOLODONTIDAE

Cimolodon Marsh, 1889

CIMOLOMYIDAE

Cimolomys Marsh, 1889

Paressonodon nelsoni Wilson et al., 2010

CLADOPHORACEAE

Cladophora Kützing, 1843

CLARKELLIDAE

Diaphelasma

Syntrophina

CLASTOPTERIDAE

Clastoptera comstocki Scudder, 1890

CLAVAGELLIDAE

Stirpulina saulae Stallwood, 1995

CLEONICERATIDAE

Cleoniceras susukii Murphy & Rodda, 1959

CLERIDAE

Epiphloeus Spinola, 1841

Epiphloeus pristinus (Wickham, 1914)

Necrobia divinatoria Wickham, 1914

Necrobia sibylla Wickham, 1914

Phyllobaenus wolcotti (Wickham, 1913)

Thanasimus Latreille, 1806

Thanasimus florissantensis (Wickham, 1914)

CLUBIONIDAE

Clubiona arcana Scudder, 1890

Clubiona curvispinosa Petrunkevitch, 1922

Clubiona eversa Scudder, 1890

Clubiona florissanti Petrunkevitch, 1922

Eobumbatrix latebrosa (Scudder, 1890)

Eostentatrix cockerelli Petrunkevitch, 1922

Eostentatrix ostentata (Scudder, 1890)

CLUPEIDAE

Clupea Linnaeus, 1758

Knightia Jordan, 1907

COCCINELLIDAE

Adalia subversa Scudder, 1900

Anatis resurgens Wickham, 1917

Chilocorus ulkei Scudder, 1900

Coccinella florissantensis Wickham, 1914

Coccinella sodoma Wickham, 1913

COCCOSTEIDAE

Coccosteus Agassiz, 1844

COCHLIODONTIDAE

Deltodus Morris & Roberts, 1862

Sandalodus minor (Newberry & Worthen, 1866)

CODIACEAE

Eugonophyllum Konishi & Wray, 1961

COELOPHYSIDAE

Coelophysis Cope, 1889

COELURIDAE

Coelurus Marsh, 1879

Coelurus agilis (Marsh, 1884)

Coelurus fragilis Marsh, 1879

Ornitholestes Osborn, 1903

COENAGRIONIDAE

Agrion exsularis Scudder, 1890

Agrion mascescens Scudder, 1890

Agrion telluris Scudder, 1890

Argia Rambur, 1842

Enallagma florissantella Cockerell, 1908

Enallagma kirkbyae (Pierce, 1965)

Enallagma mortuella Cockerell, 1909

Enallagma oblisum Cockerell, 1925

Hesperagrion praevolans Cockerell, 1907

COILOPOCERATIDAE

Herrickiceras Cobban & Hook, 1980

COLEODONTIDAE

Archeognathus primus Cullison, 1938

Mixoconus Sweet, 1955

Stereoconus Branson & Mehl, 1933

COLEOLIDAE

Coleolus Hall, 1879

COLLIGNONICERATIDAE

Collignoniceras

Collignoniceras Breistroffer, 1947

Collignoniceratidae indet.

Forresteria

Menabites Collignon, 1948

Peroniceras

Peroniceras shastense Anderson, 1958

Prionocycloceras californicus (Anderson, 1958)

Prionocyclus Meek, 1871

Prionotropis Meek, 1876

Protexanites Matsumoto, 1955

Submortoniceras

Submortoniceras buttense (Anderson, 1958)

Submortoniceras chicoense (Trask, 1856)

Subprionocyclus

Subprionocyclus neptuni (Geinitz, 1849)

Subprionocyclus normalis (Anderson, 1958)

Texanites (Pleisotexanites) kawasakii (Kawada, 1929)

Texanites Spath, 1932

COLLONIIDAE

Colloniidae indet.

COLUBRIDAE

Heterodon Latreille, 1801

Heterodon nasicus Baird & Girard, 1852

Pituophis melanoleucus (Daudin, 1803)

Texasophis fossilis Holman, 1977

Texasophis galbreathi Holman, 1984

Thamnophis Fitzinger, 1843

Thamnophis sirtalis (Linnaeus, 1758)

COMMELINACEAE

Tradescantia bracteata Small

COMPSEMYDIDAE

Compsemys Leidy, 1857

Compsemys victus Leidy, 1856

Glyptops depressus Hay, 1908

CONOCARDIIDAE

Conocardium Bronn, 1834

CONVOLVULACEAE

Convolvulites orichitus MacGinitie, 1953

CORBICULIDAE

Corbicula

CORBULIDAE

Caestocorbula attina Squires & Saul, 2004

Caryocorbula

Caryocorbula lomana Squires & Saul, 2004

Caryocorbula onoensis Squires & Saul, 2004

Caryocorbula parilis (Gabb, 1864)

Caryocorbula traskii (Gabb, 1864)

Caryocorbula vacca Squires & Saul, 2004

Corbula

Corbula Bruguière, 1797

Corbula smithvillensis (Harris, 1919)

Corbulamella Meek & Hayden, 1857

Corbulidae indet.

Eoursivivas cultriformis (Gabb, 1864)

Excorbula

Excorbula coqua Squires & Saul, 2004

Excorbula parkyi Squires & Saul, 2004

Excorbula shastana Squires & Saul, 2004

Panzacorbula pozo (Dailey & Popenoe, 1966)

CORDAITACEAE

Cordaicarpon Geinitz, 1862

Cordaites Unger, 1850

Samaropsis Göppert, 1864

CORDULIIDAE

Stenogomphus carletoni Scudder, 1892

CORDYLODONTIDAE

Cordylodus excavatus Sweet et al., 1959

COREIDAE

Achrestocoris cinerarius Scudder, 1890

Anasa priscoputida Scudder, 1890

Heeria foeda Scudder, 1890

Heeria gulosa Scudder, 1890

Heeria lapidosa Scudder, 1890

Phthinocoris Scudder, 1890

Phthinocoris colligatus Scudder, 1890

Phthinocoris languidus Scudder, 1890

Phthinocoris lethargicus Scudder, 1890

Phthinocoris petraeus Scudder, 1890

Piezocoris compactilis Scudder, 1890

Piezocoris peremptus Scudder, 1890

Piezocoris peritus Scudder, 1890

CORIXIDAE

Corixa Geoffroy, 1762

Corixa immersa Scudder, 1890

Corixa vanduzeei Scudder, 1890

Sigaretta florissantella (Cockerell, 1906)

CORNACEAE

Cornophyllum Newberry, 1895

Cornophyllum vetustum Newberry, 1895

Cornus L.

CORNULITIDAE

Cornulites Schlotheim, 1820

CORVIDAE

Corvus brachyrhynchos C.L.Brehm, 1822

Corvus corax Linnaeus, 1758

Miocitta galbreathi Brodkorb, 1972

Pica Brisson, 1760

CORYDALIDAE

Corydalites fecundum Scudder, 1878

CORYDIIDAE

Homoeogamia ventriosus Scudder, 1876

CORYPHODONTIDAE

Coryphodon Owen, 1845

Coryphodon anax Cope, 1882

Coryphodon armatus (Cope, 1872)

Coryphodon eocaenus (Owen, 1846)

Coryphodon lobatus Cope, 1877

Coryphodon radians (Cope, 1872)

COSSIDAE

Adelopsyche frustrans Cockerell, 1926

CRABRONIDAE

Apoides Tsuneki, 1968

Crabro longaevus Cockerell, 1910

Florimena impressa Antropov, 2017

Gorytes archoryctes (Cockerell, 1922)

Mellinus handlirschi Rohwer, 1908

Passaloecus fasciatus Rohwer, 1909

Passaloecus scudderi Cockerell, 1906

Philanthus saxigenus Rohwer, 1909

Pison cockerellae Rohwer, 1908

Psammaecius sepultus (Cockerell, 1906)

Tracheliodes mortuellus Cockerell, 1906

CRAMBIDAE

Analcina Turner, 1911

CRANAENIDAE

Cranaena Hall & Clarke, 1894

Eunella Hall & Clarke, 1894

CRANIIDAE

Crania Retzius, 1781

Crania ourayensis (Kindle, 1909)

Crania scabiosa (Hall, 1866)

CRASSATELLIDAE

Crassatella

Crassatella Lamarck, 1799

Crassatella conradiana (Gabb, 1864)

Crassatella elongata Anderson, 1958

Crassatella gamma Popenoe, 1937

Crassatella lomana Cooper, 1894

Crassatella mercedensis Anderson, 1958

Crassatella saulae Dailey & Popenoe, 1966

Crassatella tuscana (Gabb, 1864)

CREOTARSIDAE

Dartonius jepseni (McKenna, 1960)

Leptacodon jepseni (McKenna, 1960)

CRETOXYRHINIDAE

Archaeolamna Siverson, 1992

Archaeolamna kopingensis (Davis, 1890)

Cretodus crassidens (Dixon, 1850)

Cretodus semiplicatus (Agassiz, 1843)

Cretoxyrhina mantelli (Agassiz, 1835)

CRICETIDAE

Allophaiomys pliocaenicus (Kormos, 1932)

Lasiopodomys deceitensis (Guthrie & Matthews, 1971)

Lemmiscus Thomas, 1912

Lemmiscus curtatus (Cope, 1868)

Microtus Schrank, 1798

Microtus californicus (Peale, 1848)

Microtus longicaudus (Merriam, 1888)

Microtus meadensis (Hibbard, 1944)

Microtus montanus (Peale, 1848)

Microtus ochrogaster (Wagner, 1842)

Microtus paroperarius (Hibbard, 1944)

Microtus pennsylvanicus (Ord, 1815)

Mictomys True, 1894

Mictomys kansasensis (Hibbard, 1952)

Mictomys meltoni (Paulson, 1961)

Mictomys vetus (Wilson, 1933)

Neotoma Say & Ord, 1825

Neotoma cinerea (Ord, 1815)

Neotoma floridana (Ord, 1818)

Neotoma mexicana Baird, 1855

Neotoma micropus Baird, 1855

Neotoma ozarkensis Brown, 1908

Neotoma stephensi Goldman, 1905

Ondatra Link, 1795

Ondatra annectens (Brown, 1908)

Peromyscus Gloger, 1841

Peromyscus cragini Hibbard, 1944

Peromyscus maniculatus (Wagner, 1845)

Peromyscus progressus Hibbard, 1960

Phenacomys Merriam, 1889

Phenacomys deeringensis (Guthrie & Matthews, 1971)

Phenacomys gryci Repenning, 1987

Phenacomys intermedius Merriam, 1889

Reithrodontomys Giglioli, 1874

Sigmodon curtisi Gidley, 1922

Sigmodon minor Gidley, 1922

Synaptomys Baird, 1857

Synaptomys borealis (Richardson, 1828)

Synaptomys cooperi Baird, 1857

Terricola Fatio, 1867

Terricola meadensis (Hibbard, 1944)

CROCODYLIDAE

Allognathosuchus Mook, 1921

Allognathosuchus polyodon (Cope, 1873)

Brachychampsa montana Gilmore, 1911

Crocodilus Laurenti, 1768

Crocodilus polyodon (Cope, 1873)

Crocodylus chamensis (Cope, 1874)

CROMYOCRINIDAE

Aglaocrinus magnus Strimple, 1949

Dicromyocrinus Jaekel, 1918

Goleocrinus Strimple & Watkins, 1969

Synarmocrinus Lane, 1964

Ulocrinus Miller & Gurley, 1890

CROSSOGNATHIDAE

Apsopelix Cope, 1871

CRYPTOBRANCHIDAE

Andrias matthewi (Cook, 1917)

CRYPTOPHAGIDAE

Antherophagus megalops Wickham, 1913

Antherophagus priscus Scudder, 1876

Cryptophagus bassleri Wickham, 1913

Cryptophagus petricola Wickham, 1916

Cryptophagus scudderi Wickham, 1914

CTENACANTHIDAE

Acondylacanthus nuperus St John & Worthen, 1883

Bythiacanthus St.John & Worthen, 1875

Cladodus Agassiz, 1843

Cladodus girtyi Hay, 1900

Ctenacanthus Agassiz, 1835

Ctenacanthus buttersi St John & Worthen, 1883

Ctenacanthus furcicarinatus Newberry, 1875

CTENODONTIDAE

Ctenodonta Salter, 1852

CUCUJIDAE

Lithocoryne arcuata Wickham, 1913

Lithocoryne coloradensis Wickham, 1914

Lithocoryne gravis Scudder, 1900

Pediacus periclitans Scudder, 1900

CUCULIDAE

Cursoricoccyx geraldinae Martin & Mengel, 1984

Eocuculus cherpinae Chandler, 1999

CUCULLAEIDAE

Cucullaea

Cucullaea (Idonearca)

Cucullaea (Idonearca) alamoensis Anderson, 1958

Cucullaea (Idonearca) cordiformis Packard, 1922

Cucullaea (Idonearca) gravida (Gabb, 1864)

Cucullaea (Idonearca) grossaforma Hertlein, 1929

Cucullaea (Idonearca) melhaseana Anderson, 1958

Cucullaea (Idonearca) youngi (Waring, 1917)

Cucullaea Lamarck, 1801

Cucullaea mathewsonii Gabb, 1864

Cucullaea morani Waring, 1914

CULICIDAE

Culex Linnaeus, 1758

Culex damnatorum Scudder, 1890

Culex winchesteri Cockerell, 1919

CUNNOLITIDAE

Micrabacia radiata (Goldfuss, 1827)

CUNONIACEAE

Weinmannia L.

CUPRESSACEAE

Chamaecyparis Spach

Cupressinoxylon Göppert, 1850

Glyptostrobus Endl.

Glyptostrobus europaeus Brongniart

Heyderia coloradensis Cockerell, 1907

Juniperus L.

Metasequoia Hu & W.C.Cheng

Metasequoia occidentalis Chaney, 1951

Protocupressinoxylon W.Eckhold, 1921

Sabina Mill.

Sequoia Endl.

Sequoiadendron J.Buchholz

Thuja L.

CUPRESSOCRINITIDAE

Cupressocrinites Goldfuss, 1831

CURCULIONIDAE

Acalles exhumatus H.F.Wickham, 1913

Acalyptus C.J.Schoenherr, 1833

Anthonomus concussus Scudder, 1893

Anthonomus debilatus Scudder, 1893

Anthonomus defossus S.H.Scudder, 1876

Anthonomus evigilatus Scudder, 1893

Anthonomus primordius Scudder, 1893

Anthonomus rohweri H.F.Wickham, 1912

Anthonomus soporus S.H.Scudder, 1890

Apion confectum

Apion exanimale

Apion refrenatum

Aulobaris anicilla (Scudder, 1893)

Aulobaris circumscripta (Scudder, 1893)

Aulobaris damnata (Scudder, 1893)

Balaninus anicularis (Scudder, 1893)

Balaninus duttoni (Scudder, 1893)

Balaninus femoratus (Scudder, 1893)

Balaninus flexirostris (Scudder, 1893)

Balaninus minusculoides

Balaninus minusculus

Balaninus minusculus Scudder, 1893

Balaninus restrictus

Balaninus restrictus Scudder, 1893

Baris antediluviana (Wickham, 1916)

Baris cremastorhynchoides H.F.Wickham, 1913

Baris divisa Scudder, 1893

Baris florissantensis H.F.Wickham, 1913

Baris harlani Scudder, 1893

Baris hoveyi H.F.Wickham, 1912

Baris imperfecta Scudder, 1893

Baris matura (Scudder, 1893)

Baris nearctica (Wickham, 1916)

Baris primalis H.F.Wickham, 1917

Baris renovata (Wickham, 1916)

Baris schucherti H.F.Wickham, 1912

Calandrites hindsi

Calandrites ursorum

Catobaris coenosa Scudder, 1893

Centrinus hypogaeus (Wickham, 1916)

Centrinus obnuptus Scudder, 1893

Centrinus vulcanicus (H.F.Wickham, 1912)

Centron moricollis Scudder, 1893

Ceutorhynchus E.F.Germar, 1823

Ceutorhynchus blaisdelli Wickham, 1916

Ceutorhynchus compactus Scudder, 1893

Ceutorhynchus degravatus Scudder, 1893

Ceutorhynchus duratus Scudder, 1893

Ceutorhynchus irvingi (Scudder, 1893)

Cleonus C.J.Schoenherr, 1826

Cleonus degeneratus

Cleonus exterraneus Scudder, 1893

Cleonus foersteri

Cleonus primoris

Cleonus rohweri

Coccotorus principalis Scudder, 1893

Coccotorus requiescens Scudder, 1893

Coeliodes primotinus Scudder, 1893

Conotrachelus florissantensis H.F.Wickham, 1912

Cossonus gabbii Scudder, 1893

Cossonus rutus Scudder, 1893

Cratoparis arcessitus (Scudder, 1893)

Cremastorhynchus stabilis Scudder, 1893

Cryptorhynchus annosus S.H.Scudder, 1876

Cryptorhynchus coloradensis H.F.Wickham, 1912

Cryptorhynchus evinctus (Scudder, 1893)

Cryptorhynchus fallii H.F.Wickham, 1912

Cryptorhynchus kerri

Cryptorhynchus kerri Scudder, 1893

Cryptorhynchus profusus Scudder, 1893

Curculio anicularis (Scudder, 1893)

Curculio beeklyi (Cockerell, 1918)

Curculio curvirostris J.C.Fabricius, 1781

Curculio duttoni (Scudder, 1893)

Curculio extinctus (Wickham, 1912)

Curculio femoratus (Scudder, 1893)

Curculio flexirostris (Scudder, 1893)

Curculio florissantensis (Wickham, 1913)

Curculio minusculoides (Wickham, 1911)

Curculio minusculus K.M.Heller, 1927

Curculio restrictus (Scudder, 1893)

Cyphus florissantensis H.F.Wickham, 1914

Cyrtomon subterraneus (Wickham, 1911)

Dermestes tertiarius Wickham, 1912

Docirhynchus culex

Docirhynchus ibis

Docirhynchus terebrans

Dolurgus pumilus Eichhoff, 1868

Dorytomus coercitus Scudder, 1893

Dorytomus williamsi Scudder, 1893

Dryocoetes diluvialis (Wickham, 1916)

Entimus primordialis Scudder, 1876

Eocleonus subjectus Scudder, 1893

Epicaerus effossus (Scudder, 1876)

Epicaerus eradicatus (Scudder, 1893)

Epicaerus evigoratus (Scudder, 1893)

Epicaerus exanimis (Scudder, 1876)

Epicaerus excissus (Scudder, 1893)

Epicaerus saxatilis (Scudder, 1876)

Epicaerus subterraneus (Scudder, 1893)

Epicaerus terrosus (Scudder, 1878)

Eucryptus sectus (Scudder, 1893)

Eudiagogus terrosus (Scudder, 1878)

Eudomus pinguis Scudder, 1893

Eudomus robustus Scudder, 1893

Eugnamptidea tertiaria

Euparius arcessitus (Scudder, 1893)

Eurhinus occultus S.H.Scudder, 1876

Evopes occubatus Scudder, 1893

Evopes veneratus Scudder, 1893

Gelus

Geralophus Scudder, 1893

Geralophus antiquarius

Geralophus antiquarius Scudder, 1893

Geralophus fossicius

Geralophus fossicius Scudder, 1893

Geralophus lassatus

Geralophus lassatus Scudder, 1893

Geralophus occultus

Geralophus occultus (Scudder, 1876)

Geralophus pumiceus

Geralophus repositus

Geralophus retritus Scudder, 1893

Geralophus saxuosus

Geralophus saxuosus Scudder, 1893

Geralophus scudderi

Geralophus scudderi Wickham, 1911

Gymnetron C.J.Schoenherr, 1825

Hipporhinops sternbergi Cockerell, 1926

Hormorus saxorum Scudder, 1893

Hylastes americanus H.F.Wickham, 1913

Hylastes nigrinus LeConte, 1868

Hylesinus dormiscens (Scudder, 1900)

Hylesinus extractus S.H.Scudder, 1893

Hylesinus hydropicus (Wickham, 1916)

Hylobius lacoei (Scudder, 1893)

Hylobius provectus S.H.Scudder, 1876

Hylurgops piger H.F.Wickham, 1913

Isothea alleni

Laccopygus nilesii Scudder, 1893

Lachnopus humatus Scudder, 1893

Lachnopus recuperatus Scudder, 1893

Listroderes differens (Wickham, 1912)

Listroderes evisceratus (Scudder, 1893)

Listronotus muratus S.H.Scudder, 1890

Macrorhoptus intutus Scudder, 1893

Magdalis lecontei G.H.Horn, 1873

Magdalis sedimentorum Scudder, 1893

Magdalis striaticeps

Miogeraeus recurrens Wickham, 1916

Mitostylus abacus (Scudder, 1893)

Mitostylus obdurefactus (Scudder, 1893)

Neoptochus Horn, 1876

Oligocryptus sectus (Scudder, 1893)

Omileus evanidus Scudder, 1893

Ophryastes Germar, 1829

Ophryastites absconsus Scudder, 1893

Ophryastites cinereus

Ophryastites cinereus Scudder, 1893

Ophryastites dispertitus Scudder, 1893

Ophryastites hendersoni Cockerell, 1916

Ophryastites miocenus Wickham, 1912

Orchestes languidulus Scudder, 1893

Otiorhynchites absentivus Scudder, 1893

Otiorhynchites commutatus Scudder, 1893

Otiorhynchites florissantensis Wickham, 1911

Otiorhynchites tysoni Scudder, 1893

Otiorhynchus florissantensis

Otiorhynchus perditus (Scudder, 1876)

Pachybaris rudis

Pachybaris rudis H.F.Wickham, 1912

Pachylobius compressus

Paleoipidus

Paleoipidus perforatus

Paleoscolytus divergus

Pandeleteius

Phloeosinus scopulorum J.M.Swaine, 1924

Pityophthorus opaculus LeConte, 1878

Polygraphus rufipennis Wood & Bright, 1992

Prionomerus irvingii Scudder, 1893

Pseudomesauletes striaticeps (Wickham, 1911)

Rhynchopterus

Rhyncolus kathrynae Sleeper, 1968

Rhysosternum aeternabile Scudder, 1893

Rhysosternum longirostre Scudder, 1893

Rhyssomatus miocenae (Pierce, 1965)

Scolytinae?

Scolytus piceae Wood & Bright, 1992

Scyphophorus fossionis

Sibinia whitneyi (Scudder, 1893)

Sibynes whitneyi

Sibynes whitneyi (Scudder, 1893)

Sitona Germar, 1817

Smicrorhynchus macgeei Scudder, 1893

Syntomostylus rudis Scudder, 1893

Tenillus firmus Scudder, 1893

Toxorhynchos minusculus

Toxorhynchus grandis

Toxorhynchus minisculus

Toxorhynchus minusculus

Trigonoscuta inventa Scudder, 1893

Trypanorhynchus oblonquus

Tychius evolatus Scudder, 1893

Tychius ferox H.F.Wickham, 1917

Tychius secretus Scudder, 1893

Xyleborinus saxeseni Reitter, 1913

Xyleborites longipennis H.F.Wickham, 1913

CURCULIONIDAE?

Curculionidae?

CUSPIDARIIDAE

Cuspidaria Nardo, 1840

Cuspidaria suciensis Whiteaves, 1903

CYATHOPSIDAE

Caninia Michelin, 1840

CYCADEOIDEACEAE

Cycadolepis Saporta, 1873

Monanthesia G.R.Wieland, 1934

CYCLAMMINIDAE

Cyclammina haydeni Morris, 1971

CYCLOCONCHIDAE

Davidia antiqua Manchester, 2002

Veniella Stoliczka, 1870

CYCLORRHAPHA

Cyclorrhapha

CYDNIDAE

Cyrtomenus concinnus Scudder, 1878

CYDNIDES

Cydnopsis handlirschi Cockerell, 1909

Necrocydnus Scudder, 1890

Necrocydnus amyzonus Scudder, 1890

Necrocydnus revectus Scudder, 1890

Necrocydnus solidatus Scudder, 1890

Necrocydnus stygius Scudder, 1890

Necrocydnus torpens Scudder, 1890

Necrocydnus vulcanius Scudder, 1890

Procydnus devictus Scudder, 1890

Procydnus divexus Scudder, 1890

Procydnus eatoni Scudder, 1890

Procydnus mamillanus (Scudder, 1878)

Procydnus pronus Scudder, 1890

Procydnus quietus Scudder, 1890

Procydnus reliquus Scudder, 1890

Procydnus vesperus Scudder, 1890

Stenopelta punctulata (Scudder, 1878)

Thlibomenus limosus Scudder, 1890

Thlibomenus macer Scudder, 1890

Thlibomenus parvus Scudder, 1890

Thlibomenus perennatus Scudder, 1890

Thlibomenus petreus Scudder, 1890

CYLICHNIDAE

Cylichna

Cylichna "acerna" Saul, m.s.

Cylichna "roddai" Saul, m.s.

Cylichna andersoni Murphy & Rodda, 1960

Cylichnidae indet.

Ellipsoscapha

Ellipsoscapha "murphyi" Saul, m.s.

Ellipsoscapha nortonensis (Anderson, 1958)

Ellipsoscapha skaios Dailey & Popenoe, 1966

CYLINDRODONTIDAE

Cylindrodon Douglass, 1901

Cylindrodon fontis Douglass, 1902

Cylindrodon nebraskensis Hough & Alf, 1956

Prosciurus saskatchewaensis (Lambe, 1908)

Pseudocylindrodon Burke, 1935

Pseudocylindrodon neglectus Burke, 1935

CYLINDROTOMIDAE

Cylindrotoma veterana Cockerell, 1920

Cyttaromyia obdurescens Cockerell, 1925

Cyttaromyia princetoniana Scudder, 1894

Cyttaromyia reclusa Cockerell, 1925

CYMATOCERATIDAE

Eucymatoceras plicatus (Fitton, 1836)

CYMBITIDAE

Ammonites laevigatus (Sowerby, 1827)

CYMIDAE

Procymus cockerelli Usinger, 1940

CYNIPIDAE

Andricus Hartig, 1840

Aulacidae ampliforma (Kinsey, 1919)

Aulacidae progenitrix (Kinsey, 1919)

Aulacidea ampliforma Kinsey, 1919

Aulacidea progenetrix Kinsey, 1919

Figites solus (Brues, 1910)

CYNODONTIA

Cynodontia

CYPERACEAE

Cyperacites W.P.Schimper, 1870

Cyperacites filiferus (Cockerell, 1923)

CYPRAEIDAE

Cypraeidae indet.

Palaeocypraea wilfredi (Groves, 2004)

Protocypraea crawfordcatei (Groves, 1990)

Protocypraea jeanae (Groves, 2004)

Protocypraea louellasaulae (Groves, Filkhorn, & Alderson, 2011)

Protocypraea popenoei (Groves, 2004)

CYPRIDIDAE

Cypris florissantensis Cockerell, 1910

Raepula Wilkinson, Wilby, Williams, Siveter, Page, Leggitt & Riley, 2010

CYRENIDAE

Corbicula Megerle von Mühlfeld, 1811

Corbicula astartoides Dailey & Popenoe, 1966

Corbicula augheyi White, 1882

Corbicula berthoudi White, 1882

Corbicula cardiniaeformis White, 1878

Corbicula cleburni White, 1878

Corbicula fracta Meek, 1871

Corbicula macropistha White, 1878

Corbicula obesa White, 1878

Corbicula occidentalis (Meek & Hayden, 1856)

Corbicula planumbona Meek, 1875

CYRTODONTIDAE

Cyrtodonta Billings, 1858

Cyrtodonta billingsi Ulrich, 1894

CYRTOGRAPTIDAE

Cyrtograptus Lapworth, 1874

CYRTOSPIRIFERIDAE

Cyrtiopsis Grabau, 1931

Cyrtospirifer Nalivkin, 1924

Syringospira Kindle, 1909

CZEKANOWSKIACEAE

Czekanowskia O.Heer, 1876

DACTYLOCRINIDAE

Aexitrophocrinus Strimple & Watkins, 1969

DALMANELLIDAE

Orthis Dalman, 1828

DAPHNIIDAE

Daphnia O.F.Müller, 1785

DARWINULIDAE

Darwinula Brady & Norman, 1889

DASCILLIDAE

Dascyllus lithographicus Wickham, 1911

Protacnaeus tenuicornis Wickham, 1914

DASYCLADACEAE

Coelosporella Alan Wood, 1940

DAVIESIELLIDAE

Dictyoclostus americanus (Dunbar & Condra, 1932)

DECADOCRINIDAE

Eireocrinus Wright, 1951

DEINOPIDAE

Deinopis MacLeay, 1839

DELPHACIDAE

Delphax veterum Cockerell, 1921

DELTOPECTINIDAE

Streblopteria M'Coy, 1851

DENDROGRAPTIDAE

Dendrograptus hallianus (Prout, 1851)

Ptiograptus Ruedemann, 1908

DENNSTAEDTIACEAE

Dennstaedtia americana Knowlton, 1910

DENTALIIDAE

Dentaliidae indet.

Dentalium

Dentalium Linnaeus, 1758

Dentalium gracile Philippi, 1887

Dentalium whiteavesi Anderson & Hanna, 1935

DERMATEMYDIDAE

Adocus Cope, 1868

Alamosemys annexa Hay, 1910

Baptemys Leidy, 1870

Baptemys wyomingensis (Leidy, 1870)

Basilemys sinuosa Riggs, 1906

DERMESTIDAE

Attagenus aboriginalis Wickham, 1913

Attagenus sopitus Scudder, 1900

Orphilus dubius Wickham, 1912

DESHAYESITIDAE

Deshayesites cerrosensis (Anderson, 1938)

Deshayesitidae indet.

DESMOCERATIDAE

Beudanticeras haydeni (Gabb, 1864)

Brewericeras hulenense (Anderson, 1938)

Damesites damesi (Jimbo, 1894)

Damesites damesi intermedius Matsumoto, 1954

Desmoceras

Desmoceras (Pseudouhligella) argonauticum (Anderson, 1958)

Desmoceras (Pseudouhligella) barryae Anderson, 1958

Desmoceras (Pseudouhligella) japonicum Yabe, 1904

Desmoceras (Pseudouhligella) vetus Murphy & Rodda, 1959

Desmoceras Zittel, 1884

Desmoceras scotti (Moreman, 1942)

Desmoceratidae indet.

Desmophyllites

Desmophyllites diphylloides (Forbes, 1846)

Hauericeras

Hauericeras angustum Yabe, 1904

Jimboiceras

Jimboiceras planulatiforme (Jimbo, 1894)

Mesopuzosia

Mesopuzosia colusaense (Anderson, 1902)

Mesopuzosia yubarense (Jimbo, 1894)

Moremanoceras scotti (Moreman, 1942)

Pachydesmoceras linderi (de Grossouvre, 1894)

Puzosia

Puzosia (Mesopuzosia) densicostata (Matsumoto, 1954)

Puzosia (Mesopuzosia) pacifica (Matsumoto, 1954)

Puzosia puma Murphy & Rodda, 1960

Puzosia sullivanae Murphy & Rodda, 1960

DIACODEXEIDAE

Simpsonodus Krishtalka & Stucky, 1986

Simpsonodus chacensis (Cope, 1875)

DIADECTIDAE

Diadectes sanmiguelensis (Lewis & Vaughn, 1965)

Oradectes sanmiguelensis (Lewis & Vaughn, 1965)

DIAPRIIDAE

Belyta mortuella Brues, 1910

Galesimorpha wheeleri Brues, 1910

Pantoclis deperdita Brues, 1906

DIASTOMATIDAE

Keilostoma

DIATRYMIDAE

Diatryma Cope, 1876

Diatryma gigantea Cope, 1876

DICHOBUNIDAE

Bunophorus Sinclair, 1914

Bunophorus grangeri (Sinclair, 1914)

Bunophorus macropternus (Cope, 1882)

Bunophorus pattersoni (Krishtalka & Stucky, 1986)

Bunophorus robustus (Sinclair, 1914)

Bunophorus sinclairi Guthrie, 1966

Diacodexis Cope, 1882

Diacodexis kelleyi Krishtalka & Stucky, 1985

Diacodexis metsiacus (Cope, 1882)

Diacodexis minutus Krishtalka & Stucky, 1985

Diacodexis primus Krishtalka & Stucky, 1985

Diacodexis secans (Cope, 1881)

Hexacodus pelodes (Gazin, 1952)

Homacodon vagans Marsh, 1872

Wasatchia Sinclair, 1914

DICHOCRINIDAE

Strimplecrinus dyerensis Webster et al., 1999

DICTYNIDAE

Argenna fossilis Petrunkevitch, 1957

DICTYOCLOSTIDAE

Dictyoclostus Muir-Wood, 1930

Dictyoclostus gallatinensis (Girty, 1899)

Productus gallatinensis (Girty, 1899)

Productus semireticulatus (Martin, 1809)

DICTYOPHARIDAE

Florissantia Scudder, 1890

Florissantia elegans Scudder, 1890

DIDELPHIDAE

Copedelphys stevensoni (Cope, 1873)

Herpetotherium fugax (Cope, 1873)

Herpetotherium fuzax (Cope, 1873)

Herpetotherium huntii (Cope, 1873)

Herpetotherium innominatum (Simpson, 1928)

Herpetotherium knighti (McGrew et al., 1959)

Mimoperadectes labrus Bown & Rose, 1979

Nanodelphys McGrew, 1937

Nanodelphys hunti (Cope, 1873)

Nanodelphys minutus (McGrew, 1937)

Peradectes Matthew & Granger, 1921

Peradectes elegans Matthew & Granger, 1921

Peradectes protinnominatus McKenna, 1960

Peratherium Aymard, 1850

Peratherium comstocki (Cope, 1884)

Peratherium fugax (Cope, 1873)

Peratherium huntii (Cope, 1873)

Peratherium innominatum (Simpson, 1928)

Peratherium knighti (McGrew et al., 1959)

Peratherium marsupium (Troxell, 1923)

Protalphadon Cifelli, 1990

DILLENIACEAE

Dillenites E.W.Berry, 1916

DIMEROPYGIDAE

Toernquistia Reed, 1896

Tornquistia Reed, 1896

DINICHTHYIDAE

Dinichthys Newberry, 1868

DINIDORIDAE

Dinidorites margiformis Cockerell, 1921

DIOSCOREACEAE

Dioscorea Plum. ex L.

DIPLODOCIDAE

Amphicoelias altus Cope, 1877

Apatosaurus Marsh, 1877

Apatosaurus ajax Marsh, 1877

Apatosaurus laticollis (Marsh, 1879)

Apatosaurus louisae (Holland, 1915)

Atlantosaurus Marsh, 1877

Barosaurus Marsh, 1890

Brontosaurus Marsh, 1879

Brontosaurus excelsus Marsh, 1879

Brontosaurus yahnahpin (Filla & Redman, 1994)

Camarasaurus grandis (Marsh, 1877)

Diplodocus Marsh, 1878

Diplodocus carnegiei Hatcher, 1901

Diplodocus longus Marsh, 1878

Galeamopus pabsti Tschopp & Mateus, 2017

Supersaurus Jensen, 1985

Supersaurus vivianae Jensen, 1985

Titanosaurus montanus Marsh, 1877

DIPLOMOCERATIDAE

Diplomoceras

Diplomoceratidae indet.

Glyptoxoceras

Lewyites Matsumoto & Miyauchi, 1984

Lewyites oronensis (Lewy, 1969)

Neocrioceras Spath, 1921

Oxybeloceras crassum (Whitfield, 1877)

Oxybeloceras meekanum (Whitfield, 1877)

Polyptychoceras

Ryugasella ryugasensis Wright & Matsumoto, 1954

Scalarites

Scalarites mihoensis Wright & Matsumoto, 1954

Solenoceras Conrad, 1860

Solenoceras bearpawense Kennedy et al., 2000

Solenoceras larimerense Kennedy et al., 2000

Solenoceras reesidei Stephenson, 1941

Solenoceras texanum (Shumard, 1861)

Spiroxybeloceras meekanum (Whitfield, 1877)

DIPODIDAE

Plesiosminthus Viret, 1926

Plesiosminthus clivosus (Galbreath, 1953)

Plesiosminthus galbreathi (Wilson, 1960)

Schaubeumys clivosus (Galbreath, 1953)

Schaubeumys galbreathi (Wilson, 1960)

Schaubeumys sabrae (Black, 1958)

DIPOLOCERATIDAE

Goodhallites Spath, 1932

DIPRIONIDAE

Pteronus Jurine, 1801

DIPTERIDAE

Conchodus parvulus Bryant & Johnson, 1936

Dipterus Sedgwick & Murchison, 1829

Dipterus johnsoni Bryant & Johnson, 1936

DISCINIDAE

Orbiculoidea d'Orbigny, 1847

DISCINIIDAE

Discinisca Gray, 1840

DISSOROPHIDAE

Platyhystrix rugosus (Case, 1910)

DISTACODONTIDAE

Drepanodus Pander, 1856

DITTOPORIDAE

Hemiphragma Ulrich, 1893

DOCODONTIDAE

Docodon Marsh, 1881

Docodon apoxys Rougier et al., 2014

DOLERORTHIDAE

Glyptorthis crispata (Emmons, 1842)

DOLICHOPODIDAE

Gymnopternus lacustris Bickel, 1995

DOLICHOSAURIDAE

Coniasaurus Owen, 1850

Coniasaurus crassidens Owen, 1850

DONACIDAE

Adelodonax altus (Gabb, 1864)

Adelodonax tectus Saul, 1989

Califadesma

Califadesma aspris Saul, 1989

Califadesma elaphium Saul, 1989

Califadesma tuscanum Saul, 1989

Donacidae indet.

Notodonax (Aliodonax) bolsae Saul, 1989

Notodonax (Aliodonax) hsui Saul, 1989

DORMAALIIDAE

Scenopagus McKenna & Simpson, 1959

Scenopagus curtidens (Matthew, 1909)

Scenopagus edenensis (McGrew et al., 1959)

Scenopagus priscus (Marsh, 1872)

DORSETISAURIDAE

Dorsetisaurus Hoffstetter, 1967

DORYPTERIDAE

Enchodus Agassiz, 1835

Enchodus gladiolus Cope, 1872

Enchodus shumardi Leidy, 1856

Pachyrhizodus Agassiz, 1850

Pachyrhizodus minimus Stewart, 1899

Pachyrizodus

DREISSENIDAE

Mytiloides Conrad, 1874

DROMOMERYCIDAE

Bouromeryx Skinner et al., 1977

Bouromeryx americanus (Douglass, 1899)

Drepanomeryx falciformis (Sinclair, 1915)

Dromomeryx Douglass, 1909

Dromomeryx borealis (Cope, 1877)

DROSOPHILIDAE

Sapromyza veterana Melander, 1949

DRYOLESTIDAE

Amblotherium Owen, 1871

Amblotherium gracilis (Marsh, 1879)

Kepolestes coloradensis Simpson, 1927

DRYOPHTHORIDAE

Calandrites cineratius Scudder, 1893

Calandrites defessus Scudder, 1893

Calandrites hindsi T.D.A.Cockerell, 1916

Calandrites ursorum T.D.A.Cockerell, 1918

Lithophthorus rugosicollis Scudder, 1893

Oryctorhinus tenuirostris Scudder, 1893

Sciabregma rugosa Scudder, 1893

Sciabregma tenuicornis Cockerell, 1921

Scyphophorus fossionis Scudder, 1893

Scyphophorus laevis Scudder, 1893

Scyphophorus tertiarius H.F.Wickham, 1911

Spodotribus terrulentus Scudder, 1893

DRYOPIDAE

Helichus Erichson, 1847

Helichus eruptus (Wickham, 1911)

Helichus tenuior (Wickham, 1912)

DRYOPTERIDACEAE

Dryopteris Adans.

Dryopteris serrata Brown, 1962

Polystichum Roth

DRYOSAURIDAE

Dinehichnus socialis Lockley et al., 1998

Dryosaurus Marsh, 1894

Dryosaurus altus (Marsh, 1878)

DYNASTIDAE

Ligyrus compositus Wickham, 1911

Ligyrus effetus Wickham, 1914

Strategus cessatus Wickham, 1914

DYSAGRIONIDAE

Dysagrion Scudder, 1878

Petrolestes hendersoni Cockerell, 1927

Phenacolestes mirandus Cockerell, 1908

Phenacolestes parallelus Cockerell, 1908

DYTISCIDAE

Acilius florissantensis Wickham, 1909

Agabus Leach, 1817

Agabus charon Wickham, 1912

Agabus florissantensis Wickham, 1913

Agabus infuscatus Aubé, 1838

Agabus rathbuni Scudder, 1900

Bidessus laminarum Wickham, 1914

Calicovatellus petrodytes K.B.Miller & Lubkin, 2001

Coelambus miocenus Wickham, 1912

Colymbetes Clairville, 1806

Cybister explanatus LeConte, 1852

Hydroporus Clairville, 1806

Hydroporus sedimentorum Wickham, 1914

Hydrovatus Motschulsky, 1853

Laccophilus Leach, 1815

Miodytiscus hirtipes Wickham, 1911

Schistomerus californense Palmer, 1957

Thermonectus Dejean, 1833

EBENACEAE

Diospyros L.

Diospyros primaeva Heer, 1866

ECHINARACHNIIDAE

Scutellaster cretaceus Cragin, 1895

ECHINOCONCHIDAE

Echinoconchus Weller, 1914

Juresania nebrascensis (Owen, 1852)

Productus nebrascensis (Owen, 1852)

Pulchratia Muir-Wood & Cooper, 1960

Pustula nebraskensis (Owen, 1852)

ECHINOSPHAERITIDAE

Echinosphaerites Wahlenberg, 1821

ECTOBIIDAE

Cariblattoides labandeirai Vršanský et al., 2012

Ectobius Stephens, 1835

Ectobius kohlsi Vršanský et al., 2014

Ischnoptera brunneri Cockerell, 1909

Supella Shelford, 1911

Symploce Hebard, 1916

EDAPHOSAURIDAE

Ianthasaurus Reisz & Berman, 1986

EDESTIDAE

Edestus minor Newberry, 1866

EGGERELLIDAE

Marssonella oxycona (Reuss, 1860)

ELACHISTIDAE

Ethmia mortuella (Scudder, 1890)

Hexerites primalis Cockerell, 1933

Psecadia mortuella (Scudder, 1890)

ELAEAGNACEAE

Shepherdia Nutt.

ELASMOSAURIDAE

Thalassomedon hanningtoni Welles, 1943

ELATERIDAE

Adelocera perantiqua Cockerell & Le Veque, 1931

Adocetus buprestoides Scudder, 1900

Agriotes apicalis LeConte, 1884

Agriotes comminutus Wickham, 1916

Agriotes nearcticus Wickham, 1916

Anchastus diluvialis Wickham, 1916

Anchastus eruptus Wickham, 1916

Athous contusus Wickham, 1916

Athous fractus Wickham, 1916

Athous lethalis Wickham, 1916

Cardiophorus Eschscholtz, 1829

Cardiophorus cockerelli Wickham, 1916

Cardiophorus deprivatus Wickham, 1916

Cardiophorus exhumatus Cockerell, 1925

Cardiophorus florissantensis Wickham, 1916

Cardiophorus lithographus Wickham, 1916

Cardiophorus requiescens Wickham, 1916

Corymbites primitivus (Wickham, 1908)

Cryptagriotes minusculus Wickham, 1916

Cryptohypnus exterminatus (Wickham, 1916)

Cryptohypnus hesperus (Wickham, 1916)

Elater florissantensis Wickham, 1916

Elater rohweri Wickham, 1916

Elater scudderi Wickham, 1916

Horistonotus coloradensis Wickham, 1916

Lacon exhumatus (Wickham, 1916)

Limonius aboriginalis Wickham, 1916

Limonius florissantensis Wickham, 1916

Limonius praecursor Wickham, 1916

Limonius shoshonis Wickham, 1916

Limonius volans Wickham, 1916

Ludiophanes haydeni Wickham, 1916

Ludius exanimatus (Wickham, 1916)

Ludius granulicollis (Wickham, 1908)

Ludius heeri (Wickham, 1916)

Ludius laevissimus (Wickham, 1916)

Ludius primitivus (Wickham, 1908)

Ludius propheticus (Wickham, 1916)

Ludius restructus (Wickham, 1916)

Ludius submersus (Wickham, 1916)

Megapenthes primaevus Wickham, 1916

Melanactes cockerelli Wickham, 1908

Monocrepidius dubiosus Wickham, 1916

Oxygonus primus Wickham, 1916

ELEPHANTIDAE

Elephas primigenius

Mammuthus

Mammuthus meridionalis (Nesti, 1825)

ELLESMEROCERATIDAE

Clarkoceras newtonwinchelli (Clarke, 1897)

ELOPIDAE

Hypsodon Agassiz, 1837

ELYTHIDAE

Phricodothyris George, 1932

EMBERIZIDAE

Chondestes grammacus (Say, 1822)

Junco hyemalis (Linnaeus, 1758)

Melospiza lincolnii (Audubon, 1834)

Spizella Bonaparte, 1832

Zonotrichia Swainson, 1832

Zonotrichia leucophrys (J.R.Forster, 1772)

EMBIIDAE

Embia florissantensis Cockerell, 1908

Lithembia florissantensis (Cockerell, 1908)

EMPIDIDAE

Acallomyia probolaea Melander, 1949

Empis florissantana Cockerell, 1915

Empis infossa Melander, 1949

Empis miocenica Cockerell, 1915

Empis perdita Cockerell, 1916

Progloma rohweri James, 1937

Protoedalea brachystoma Cockerell, 1920

Rhamphomyia aeterna Melander, 1949

Rhamphomyia craterae Melander, 1949

Rhamphomyia enena Cockerell, 1921

Rhamphomyia fossa Melander, 1949

Rhamphomyia hypolitha Cockerell, 1917

Rhamphomyia inanimata Melander, 1949

Rhamphomyia infernalis Melander, 1949

Rhamphomyia interita Melander, 1949

Rhamphomyia morticina Melander, 1949

Rhamphomyia senecta Melander, 1949

Rhamphomyia sepulta Cockerell, 1916

Rhamphomyia spodites Melander, 1949

Rhamphomyia tumulata Melander, 1949

EMYDIDAE

Echmatemys Hay, 1906

Echmatemys lativertebralis (Cope, 1877)

Echmatemys septaria (Cope, 1873)

Echmatemys wyomingensis Leidy, 1870

ENCHODONTIDAE

Cimolichthys nepaholica (Cope, 1872)

ENDOCERATIDAE

Cyclendoceras Grabau & Shimer, 1910

Endoceras Hall, 1847

ENGONOCERATIDAE

Engonoceras uddeni (Cragin, 1900)

Epengonoceras dumbli (Cragin, 1893)

Metengonoceras dumbli (Cragin, 1893)

ENTELODONTIDAE

Ammodon potens (Marsh, 1893)

Archaeotherium Leidy, 1850

Archaeotherium clavus (Marsh, 1893)

Archaeotherium mortoni (Leidy, 1850)

Elotherium Pomel, 1847

Elotherium crassum (Marsh, 1873)

Entelodon mortoni (Leidy, 1850)

ENTOLIIDAE

Entolium Meek, 1865

Pernopecten Winchell, 1865

Syncyclonema haggi Dhondt, 1971

ENTOMOBRYIDAE

Entomobrya Rondani, 1861

EOLESTIDAE

Eolestes syntheticus Cockerell, 1940

EOMEROPIDAE

Eomerope tortriciformis Cockerell, 1909

EOMYIDAE

Adjidaumo Hay, 1899

Adjidaumo minimus (Matthew, 1903)

Adjidaumo minutus (Cope, 1873)

Aulolithomys bounites Black, 1965

Centimanomys galbreathi Martin & Ostrander, 1986

Centimanomys major Galbreath, 1955

Gymnoptychus minutus (Cope, 1873)

Paradjidaumo Burke, 1934

Paradjidaumo minor (Douglass, 1902)

Paradjidaumo trilophus (Cope, 1873)

Pseudotheridomys hesperus Wilson, 1960

Yoderimys burkei (Black, 1965)

EOORTHIDAE

Apheoorthis Ulrich & Cooper, 1936

Apheoorthis lineocostis (Walcott, 1924)

Eoorthis Walcott, 1908

Eoorthis lineocosta (Walcott, 1924)

EOPHLEBOMYIIDAE

Eophlebomyia claripennis Cockerell, 1925

EOPTOLAMNIDAE

Leptostyrax Williston, 1900

EOTHYRIDIDAE

Mycterosaurus smithae (Lewis & Vaughn, 1965)

Vaughnictis smithae (Lewis & Vaughn, 1965)

EOTOMARIIDAE

Liospira Ulrich & Scofield, 1897

EPALLAGIDAE

Labandeiraia americaborealis Petrulevičius et al., 2007

EPHEDRACEAE

Ephedra Tourn. ex L.

EPHEMERIDAE

Ephemera exsucca Scudder, 1890

Ephemera howarthi Cockerell, 1908

Ephemera immobilis Scudder, 1890

Ephemera interempta Scudder, 1890

Ephemera macilenta Scudder, 1890

Ephemera pumicosa Scudder, 1890

Ephemera tabifica Scudder, 1890

EPITONIIDAE

Acirsa

Acirsa alpha Squires & Saul, 2003

Acirsa beta Squires & Saul, 2003

Acirsa delta Squires & Saul, 2003

Acirsa epsilon Squires & Saul, 2003

Acirsa nexilia (White, 1889)

Acirsa obtusa (White, 1889)

Amaea

Amaea cerva Squires & Saul, 2003

Amaea pentzia Squires & Saul, 2003

Amaea trifolia Squires & Saul, 2003

Belliscala meta Squires & Saul, 2003

Belliscala petra Squires & Saul, 2003

Belliscala suciense (Whiteaves, 1879)

Claviscala

Confusiscala juvenca Saul & Popenoe, 1993

Confusiscala newcombii (Whiteaves, 1903)

Epitoniidae indet.

Opalia

Opalia atra Squires & Saul, 2003

Opalia cavea Squires & Saul, 2003

Opalia mathewsonii (Gabb, 1864)

EQUIDAE

Anchitherium von Meyer, 1844

Calippus Matthew & Stirton, 1930

Calippus regulus (Johnston, 1937)

Cormohipparion quinni (Woodburne, 1996)

Cormohipparion sphenodus (Cope, 1889)

Dinohippus interpolatus (Cope, 1893)

Eohippus angustidens (Cope, 1875)

Eohippus vasacciensis (Cope, 1872)

Epihippus gracilis (Marsh, 1871)

Equus Linnaeus, 1758

Equus conversidens (Owen, 1869)

Equus excelsus (Leidy, 1858)

Equus francisci (Hay, 1915)

Equus laurentius Hay, 1913

Equus scotti Gidley, 1900

Equus simplicidens (Cope, 1892)

Hipparion Christol, 1832

Hipparion speciosum (Leidy, 1854)

Hypohippus Leidy, 1858

Hypohippus equinus (Scott, 1893)

Hypohippus osborni (Gidley, 1907)

Hyracotherium Owen, 1840

Hyracotherium angustidens (Cope, 1875)

Hyracotherium craspedotum (Cope, 1880)

Hyracotherium montanum (Wortman, 1896)

Hyracotherium vasacciense (Cope, 1872)

Megahippus McGrew, 1938

Merychippus Leidy, 1856

Merychippus coloradense (Osborn, 1918)

Merychippus paniensis (Cope, 1874)

Merychippus republicanus (Osborn, 1918)

Merychippus sejunctus (Cope, 1874)

Merychippus sphenodus (Cope, 1889)

Mesohippus Marsh, 1875

Mesohippus bairdi (Leidy, 1850)

Mesohippus eulophus Osborn, 1904

Mesohippus hypostylus Osborn, 1904

Mesohippus montanensis Osborn, 1904

Mesohippus obliquidens (Osborn, 1904)

Mesohippus trigonostylus (Osborn, 1918)

Miohippus Marsh, 1874

Miohippus brachystylus (Osborn, 1904)

Miohippus meteulophus (Osborn, 1904)

Miohippus obliquidens (Osborn, 1904)

Orohippus Marsh, 1872

Orohippus sylvaticus (Leidy, 1870)

Parahippus Leidy, 1858

Parahippus leonensis (Sellards, 1916)

Parahippus pawniensis Gidley, 1907

Pliohippus Marsh, 1874

Pliohippus ansae (Matthew & Stirton, 1930)

Pliohippus mirabilis (Leidy, 1858)

Protohippus Leidy, 1858

Protohippus perditus (Leidy, 1858)

Protohippus placidus (Leidy, 1869)

Protorohippus venticolum (Cope, 1881)

Pseudhipparion Ameghino, 1904

Sifrhippus grangeri (Gingerich, 1989)

Xenicohippus Bown & Kihm, 1981

Xenicohippus craspedotum (Cope, 1880)

Xenicohippus grangeri Bown & Kihm, 1981

Xenicohippus osborni Bown & Kihm, 1981

EQUISETACEAE

Equisetites Sternberg, 1833

Equisetum L.

ERETHIZONTIDAE

Erethizon F.Cuvier, 1823

ERICACEAE

Andromeda L.

Andromeda parlatorii Heer, 1866

Arbutus L.

Kalmia elliptica Brown, 1962

Vaccinium L.

ERINACEIDAE

Amphechinus horncloudi (Macdonald, 1970)

Brachyerix Matthew, 1933

Brachyerix macrotis Matthew, 1933

Entomolestes Matthew, 1909

Metechinus Matthew, 1929

Metechinus amplior Rich, 1981

Ocajila Macdonald, 1963

Ocajila makpiyahe Macdonald, 1963

Parvericius montanus Koerner, 1940

Stenoechinus tantalus Rich & Rasmussen, 1973

ERIOPHYIDAE

Eriophyes beutenmulleri Cockerell, 1908

ERIPTYCHIIDAE

Eriptychius Walcott, 1892

Eriptychius americanus Walcott, 1892

EROTYLIDAE

Triplax Herbst, 1793

Triplax diluviana (Wickham, 1914)

Triplax materna (Wickham, 1912)

Triplax petrefacta (Wickham, 1916)

Triplax submersa (Wickham, 1912)

ESCALLONIACEAE

Escallonia Mutis ex L.fil.

ESTHONYCHIDAE

Megalesthonyx Rose, 1971

EUCNEMIDAE

Fornax relictus Wickham, 1916

Microrhagus Dejean, 1833

Microrhagus fossilis (Wickham, 1916)

Microrhagus miocenicus Wickham, 1916

Microrhagus vulcanicus Wickham, 1916

EUCOSMODONTIDAE

Neoliotomus conventus Jepsen, 1930

Neoliotomus ultimus (Granger & Simpson, 1928)

EUCYCLIDAE

Cidarina beta Saul & Squires, 2003

Cidarina cretacea Squires & Saul, 2003

EULIMIDAE

Eulima

EUMASTACIDAE

Eobanksia bittaciformis (Cockerell, 1909)

Eoerianthus eocaenicus Gorochov, 2012

Eoerianthus multispinosus (Scudder, 1890)

Taphacris bittaciformis Cockerell, 1926

Taphacris reliquata Scudder, 1890

EUOMPHALIDAE

Euomphalus J.de C.Sowerby, 1814

Euomphalus eurekensis (Walcott, 1884)

Straparollus Montfort, 1810

Straparollus clymenioides (Hall, 1860)

EUPHEMITIDAE

Euphemus carbonaria (Cox, 1857)

EUPHORBIACEAE

Aleurites J.R.Forst. & G.Forst.

Euphorbia

EURYTOMIDAE

Eurytoma sepulta Brues, 1910

Eurytoma sequax Brues, 1910

EUTYPOMYIDAE

Anchitheriomys Roger, 1898

Eutypomys parvus Lambe, 1908

Mattimys Korth, 1984

FABACEAE

Acacia Mill.

Caesalpinia Plum. ex L.

Caesalpinites G.de Saporta, 1862

Cassia L.

Cercis L.

Conzattia Rose

Erythrina L.

Gymnocladus Lam.

Leguminosites Bowerbank, 1840

Leguminosites coloradensis Knowlton, 1922

Leguminosites lesquereuxiana Knowlton, 1898

Leguminoxylon K.M.Gupta, 1936

Mimosites Bowerbank, 1840

Phaca

Phaseolites Unger, 1850

Podogonium Heer, 1859

Prosopis L.

Robinia L.

Robinia californica Axelrod, 1939

Sophora L.

Swartzia Schreb.

FABROSAURIDAE

Hallopus victor (Marsh, 1877)

Laosaurus consors (Marsh, 1894)

Nanosaurus Marsh, 1877

Nanosaurus agilis Marsh, 1877

Nanosaurus rex (Marsh, 1877)

Nanosaurus victor Marsh, 1877

Othnielosaurus consors (Marsh, 1894)

FAGACEAE

Castanea Mill.

Castanea intermedia Lesquereux, 1878

Fagopsis Hollick, 1909

Fagopsis longifolia Lesquereux, 1909

Fagus L.

Quercus L.

Quercus castaneopsis Lesq.

Quercus moderata Gand.

Quercus mohavensis Axelrod, 1939

Quercus scotica Gand.

Quercus similata Gand.

Quercus sullyi Newberry, 1883

Quercus utahensis (A.DC.) Rydb.

FALCONIDAE

Falco Linnaeus, 1758

Falco sparverius Linnaeus, 1758

FASCIOLARIIDAE

Anomalofusus

Drilluta

Drilluta jacksonensis (Anderson, 1958)

Drilluta sicca Saul & Popenoe, 1993

Fasciolariidae indet.

Fusinus

Fusus tumidus Gabb, 1869

Paleopsephaea sacramentica Murphy & Rodda, 1960

Serrifusus dakotensis

Skyles salsus Saul & Popenoe, 1993

FAUJASIIDAE

Hardouinia stantoni (Clark, 1891)

Harduinia (d'Archiac & Haime, 1853)

FAVOSITIDAE

Calapoecia Billings, 1865

Saffordophyllum Bassler, 1950

FELIDAE

Amphimachairodus coloradensis (Cook, 1922)

Felis Linnaeus, 1758

Felis concolor Linnaeus, 1771

Lynx rufus (Schreber, 1777)

Miracinonyx studeri (Savage, 1960)

Pseudaelurus Gervais, 1850

Pseudaelurus marshi Thorpe, 1922

Pseudaelurus stouti (Schultz & Martin, 1972)

Smilodon fatalis (Leidy, 1868)

FENESTELLIDAE

Ptiloporella Hall, 1885

FICIDAE

Bulbificopsis garza Saul & Squires, 2003

Ficidae indet.

Ficus Röding, 1798

Sycodes glabra (Shumard, 1858)

FINKELNBURGIIDAE

Finkelnburgia Walcott, 1905

FISSURELLIDAE

Emarginula

FISTULIPORIDAE

Eridopora Ulrich, 1882

FLEMINGOSTREIDAE

Acutostrea taxidonta (Packard, 1922)

FLORENTIAMYIDAE

Ecclesimus tenuiceps (Galbreath, 1948)

Florentiamys Wood, 1936

Heliscomys tenuiceps (Galbreath, 1948)

FORFICULIDAE

Rupiforficula inferna (Scudder, 1890)

Rupiforficula labens (Scudder, 1890)

Rupiforficula scudderi (Brown, 1984)

FORMICIDAE

Aphaenogaster Mayr, 1853

Aphaenogaster donisthorpei Carpenter, 1930

Aphaenogaster mayri Carpenter, 1930

Archimyrmex rostratus Cockerell, 1923

Archiponera wheeleri Carpenter, 1930

Camponotus fuscipennis Carpenter, 1930

Camponotus juliae Emery, 1903

Camponotus microcephalus Carpenter, 1930

Camponotus petrifactus Carpenter, 1930

Cephalomyrmex rotundatus Carpenter, 1930

Dolichoderus antiquus Carpenter, 1930

Dolichoderus kohlsi Dlussky & Rasnitsyn, 2002

Dolichoderus rohweri Carpenter, 1930

Elaeomyrmex coloradensis Carpenter, 1930

Elaeomyrmex gracilis Carpenter, 1930

Eoformica Cockerell, 1921

Eoformica eocenica Cockerell, 1921

Eoformica globularis Dlussky & Rasnitsyn, 2002

Eoformica magna Dlussky & Rasnitsyn, 2002

Eoformica pinguis (Scudder, 1877)

Eulithomyrmex rugosus (Carpenter, 1930)

Eulithomyrmex striatus (Carpenter, 1930)

Formica cockerelli Carpenter, 1930

Formica grandis Carpenter, 1930

Formica neorufibarbis Emery, 1893

Formica robusta Carpenter, 1930

Genus

Iridomyrmex Mayr, 1862

Iridomyrmex florissantius Carpenter, 1930

Iridomyrmex obscurans Carpenter, 1930

Kohlsimyrma gracilis Dlussky & Rasnitsyn, 2002

Kohlsimyrma laticeps Dlussky & Rasnitsyn, 2002

Kohlsimyrma longiceps Dlussky & Rasnitsyn, 2002

Lasius Fabricius, 1804

Lasius peritulus (Cockerell, 1927)

Liometopum Mayr, 1861

Liometopum miocenicum Carpenter, 1930

Liometopum pingue (Scudder, 1877)

Liometopum scudderi Carpenter, 1930

Lithomyrmex rugosus (Carpenter, 1930)

Lithomyrmex striatus (Carpenter, 1930)

Messor sculpturatus Carpenter, 1930

Mianeuretus Carpenter, 1930

Mianeuretus eocenicus Dlussky & Rasnitsyn, 2002

Mianeuretus mirabilis Carpenter, 1930

Miomyrmex impactus (Cockerell, 1927)

Miomyrmex striatus Carpenter, 1930

Myrmecites rotundiceps Dlussky & Rasnitsyn, 2002

Myrmica lobifrons Pergande, 1900

Petraeomyrmex minimus Carpenter, 1930

Pheidole tertiaria Carpenter, 1930

Pogonomyrmex fossilis Carpenter, 1930

Ponerites coloradensis Dlussky & Rasnitsyn, 2002

Ponerites eocenicus Dlussky & Rasnitsyn, 2002

Ponerites hypoponeroides Dlussky & Rasnitsyn, 2002

Proiridomyrmex vetulus Dlussky & Rasnitsyn, 2002

Protazteca capitata Carpenter, 1930

Protazteca elongata Carpenter, 1930

Protazteca hendersoni (Cockerell, 1906)

Protazteca quadrata Carpenter, 1930

Pseudomyrma extincta (Carpenter, 1930)

Pseudomyrmex extinctus (Carpenter, 1930)

Solenopsites minutus Dlussky & Rasnitsyn, 2002

FRINGILLIDAE

Carpodacus Kaup, 1829

FULGORIDAE

Aphaena atava Scudder, 1877

Fulgora granulosa Scudder, 1878

Fulgora obticescens Scudder, 1890

Fulgora populata Scudder, 1890

Nyctophylax uhleri (Scudder, 1890)

Nyktalos uhleri (Scudder, 1890)

Nyktalos vigil (Scudder, 1890)

FUSULINELLIDAE

Wedekindella coloradoensis Roth & Skinner, 1930

Wedekindella coloradoensis var. perforata Roth & Skinner, 1930

Wedekindella excentrica Roth & Skinner, 1930

Wedekindella excentrica var. magna Roth & Skinner, 1930

FUSULINIDAE

Fusulina rockymontana Roth & Skinner, 1930

GALATHEIDAE

Eomunidopsis cobbani (Bishop, 1985)

GASTRIOCERATIDAE

Gastrioceras Hyatt, 1884

GAUDRYCERATIDAE

Eogaudryceras hertleini (Wiedmann, 1962)

Gaudryceras

Gaudryceras (Gaudryceras) denmanense (Whiteaves, 1901)

Gaudryceras (Gaudryceras) denseplicatum

Gaudryceras (Gaudryceras) denseplicatum denseplicatum (Jimbo, 1894)

Gaudryceratidae indet.

Vertebrites kayei (Forbes, 1846)

Zelandites

GEKKONIDAE

Gecus Rafinesque, 1810

GEOCORIDAE

Geocoris infernorum Scudder, 1890

GEOLABIDIDAE

Centetodon Marsh, 1872

Centetodon magnus (Clark, 1936)

Centetodon marginalis (Cope, 1873)

Centetodon patratus Bown & Schankler, 1982

Geolabis Cope, 1885

Myolestes Matthew, 1909

GEOMETRIDAE

Hydriomena protrita Cockerell, 1922

GEOMYIDAE

Dikkomys Wood, 1936

Diplolophus Troxell, 1923

Diplolophus insolens Troxell, 1923

Diplolophus parvus (Troxell, 1923)

Geomys Rafinesque, 1817

Geomys bursarius (Shaw, 1800)

Gregorymys larsoni Munthe, 1977

Harrymys Munthe, 1988

Heliscomys Cope, 1873

Heliscomys vetus Cope, 1873

Heterogeomys

Mookomys formicarum (Wood, 1935)

Peridiomys Matthew, 1924

Pleurolicus Cope, 1878

Prodipodomys centralis (Hibbard, 1941)

Proheteromys Wood, 1933

Proheteromys magnus (Wood, 1932)

Proheteromys sulculus Wilson, 1960

Schizodontomys Rensberger, 1973

Stratimus strobeli Korth et al., 1990

Thomomys Wied-Neuwied, 1839

Thomomys talpoides (Richardson, 1828)

GERRIDAE

Gerris Fabricius, 1794

Metrobates aeternalis Scudder, 1890

GINKGOACEAE

Ginkgo L.

GLAPHYRIDAE

Amphicoma defuncta Wickham, 1910

Lichnanthe defuncta (Wickham, 1910)

GLEICHENIACEAE

Gleichenia J.E.Sm.

GLOSSIDAE

Ambocardia delta (Popenoe, 1937)

Clisocolus

Clisocolus corrugatus Popenoe, 1937

Clisocolus dubius (Gabb, 1864)

GLOSSINIDAE

Glossina oligocena (Scudder, 1892)

Glossina osborni Cockerell, 1909

GLOSSOCRINIDAE

Blothrocrinus Kirk, 1940

Catactocrinus Goldring, 1923

GLOSSOPHYLLACEAE

Antholithes A.T.Brongniart, 1822

GLYCYMERIDIDAE

Glycymerididae indet.

Glycymeris

Glycymeris pacifica (Anderson, 1902)

Glycymeris septentrionalis (Middendorff, 1849)

Glycymeris yoloensis Squires, 2010

Glycymerita

Glycymerita banosensis (Anderson, 1958)

Glycymerita major (Stanton, 1896)

Glycymerita veatchii (Gabb, 1864)

GNAPHOSIDAE

Palaeodrassus cockerelli Petrunkevitch, 1922

Palaeodrassus florissanti Petrunkevitch, 1922

Palaeodrassus hesternus (Scudder, 1890)

Palaeodrassus interitus (Scudder, 1890)

Titanoeca hesterna (Scudder, 1890)

GNETACEAE

Sanmiguelia R.W.Brown, 1956

Sanmiguelia lewisi Brown, 1956

GOMPHOTHERIIDAE

Amebelodon floridanus (Leidy, 1886)

Gomphotherium osborni (Barbour, 1916)

Stegomastodon Pohlig, 1912

GONIASTERIDAE

Codellaster keepersae Blake & Kues, 2002

GONIOCERATIDAE

Lambeoceras Foerste, 1917

GONIODROMITIDAE

Plagiophthalmus izetti Bishop, 1988

GONIOPHOLIDIDAE

Amphicotylus Cope, 1878

Amphicotylus lucasii (Cope, 1878)

Eutretauranosuchus Mook, 1967

Eutretauranosuchus delfsi Mook, 1967

Goniopholis Owen, 1841

GORSKYITIDAE

Syringopora multattenuata (McChesney, 1859)

GOSSELETINIDAE

Euconospira Ulrich, 1897

Lunulazona nodomarginata (McChesney, 1861)

GRALLATORIDAE

Eubrontes Hitchcock, 1845

Eubrontes cursorius (Hitchcock, 1858)

Grallator tenuis Hitchcock, 1858

GRAMMYSIIDAE

Cuneamya Hall & Whitfield, 1875

Glossites Hall, 1885

Glossites lingualis Hall, 1885

GROSSULARIACEAE

Ribes L.

GRYLLACRIDIDAE

Gryllacris cineris Scudder, 1890

GRYLLIDAE

Eogryllus Gorochov, 2012

Eogryllus elongatus Gorochov, 2012

Eogryllus unicolor Gorochov, 2012

Lithogryllites lutzii Cockerell, 1908

Pronemobius Scudder, 1890

Pronemobius ornatipes Cockerell, 1921

Pronemobius tertiarius (Scudder, 1878)

GRYLLOIDES

Grylloides

GRYLLOTALPIDAE

Pterotriamescaptor americanus Gorochov, 2012

GRYPHAEIDAE

Amphidonte

Amphidonte parasitica (Gabb, 1864)

Costagyra californica (Packard, 1922)

Costagyra garza Squires, 2017

Exogyra

Exogyra Say, 1820

Gryphaea Lamarck, 1801

Gryphaeidae indet.

Gryphaeostrea Conrad, 1865

Phygraea

Phygraea arida Squires, 2017

Phygraea inornata (Packard, 1922)

Pycnodonte

Pycnodonte (Pycnodonte) malleiformis (Gabb, 1864)

Pycnodonte Fischer von Waldheim, 1835

GYPSONICTOPIDAE

Gypsonictops Simpson, 1927

GYRODIDAE

Gyrodes depressus

HADROSAURIDAE

Caririchnium leonardii (Lockley, 1987)

Edmontosaurus Lambe, 1917

Edmontosaurus regalis Lambe, 1917

Hadrosaurus occidentalis (Leidy, 1856)

HAIMIRICHIIDAE

Carcharias amonensis (Cappetta & Case, 1975)

HALICTIDAE

Cyrtapis anomalus Cockerell, 1908

Kronolictus scudderiellus (Cockerell, 1906)

Kronolictus vulcanus Engel, 2002

Ocymoromelitta florissantella (Cockerell, 1906)

Ocymoromelitta miocenica (Cockerell, 1909)

Ocymoromelitta sorella Engel, 2002

HALIOTIDAE

Haliotis

HALORAGACEAE

Potamogeton verticillatum Walter

HALYSITIDAE

Halysites Fischer von Waldheim, 1813

HAMAMELIDACEAE

Distylium Siebold & Zucc.

HAMINOEIDAE

Haminoeidae indet.

HAMITIDAE

Hamites

Hamites Parkinson, 1811

Hamites attenuatus Sowerby, 1814

Hamites cimarronensis (Kauffman & Powell, 1977)

Hamitidae indet.

Hemiptychoceras Spath, 1925

Puebloites

Puebloites greenhornensis Cobban & Scott, 1973

Stomohamites

HAPLOLEPIDIDAE

Pyritocephalus Fritsch, 1894

HAPLOPHRAGMOIDIDAE

Haplophragmoides excavatus Cushman & Waters, 1927

Haplophragmoides kirki Wickenden, 1932

Haplophragmoides linki Nauss, 1947

HAPSIPHYLLIDAE

Amplexizaphrentis Vaughan, 1906

HAUERINIDAE

Scutuloris batteni Morris, 1971

HELALETIDAE

Helaletes nanus (Marsh, 1871)

Heptodon Cope, 1882

Heptodon calciculus (Cope, 1880)

Heptodon posticus (Cope, 1882)

HELEOMYZIDAE

Heteromyza detecta Scudder, 1877

Heteromyza miocenica (Cockerell, 1915)

Trixoscelis patefacta Melander, 1949

HELICOTOMIDAE

Helicotoma Salter, 1859

HELOPHORIDAE

Helophorus auricollis (Eschscholtz, 1822)

Helophorus eclectus Orchymont, 1945

HEMEROBIIDAE

Bothromicromus lachlani Scudder, 1878

HEMIASTERIDAE

Hemiaster Desor, 1847

Mecaster batnensis (Coquand, 1862)

HEMIMYLACRIDAE

Etoblattina Scudder, 1879

HEMISINIDAE

Melania wyomingensis Meek, 1873

HERPETOTHERIIDAE

Nortedelphys jasoni (Storer, 1991)

HERSILIIDAE

Hersiliola Thorell, 1870

HETEROCERATIDAE

Hemibaculites

Hemibaculites mirabilis Anderson, 1938

Heteroceras d'Orbigny, 1849

HETEROCERIDAE

Heterocerus Fabricius

HETERODONTOSAURIDAE

Fruitadens haagarorum Butler et al., 2010

HETEROHELICIDAE

Heterohelix globulosa (Ehrenberg, 1840)

Heterohelix pulchra (Brotzen, 1936)

HETEROMYIDAE

Chaetodipus hispidus (Baird, 1858)

Dipodomys Gray, 1841

Dipodomys ordii Woodhouse, 1853

Proharrymys Korth & Branciforte, 2007

HIATELLIDAE

Panopea

Panopea californica (Packard, 1922)

HIBBARDELLIDAE

Oulodus Branson & Mehl, 1933

HIPPURITIDAE

Durania cornupastoris (Des Moulins, 1826)

HIRUNDINIDAE

Tachycineta Cabanis, 1850

HOKKAIDOCONCHIDAE

Hokkaidoconcha morenoensis Kiel et al., 2008

HOLASTERIDAE

Holaster L.Agassiz, 1835

HOLOPEIDAE

Pachystrophia contiguus (Ulrich & Scofield, 1897)

HOLOPTYCHIIDAE

Holoptychius Agassiz, 1839

Holoptychius tuberculatus Newberry, 1889

HOMOLIDAE

Homolopsis Bell, 1863

Latheticocarcinus punctatus Rathbun, 1917

HUDSONASTERIDAE

Hudsonaster Stürtz, 1900

HYAENIDAE

Miracinonyx inexpectatus (Cope, 1895)

HYAENODONTIDAE

Acarictis ryani Gingerich & Deutsch, 1989

Arfia Van Valen, 1965

Arfia opisthotoma (Matthew, 1901)

Arfia shoshoniensis (Matthew & Granger, 1915)

Hyaenodon Laizer & Parieu, 1838

Hyaenodon crucians Leidy, 1853

Hyaenodon horridus (Leidy, 1853)

Hyaenodon mustelinus Scott, 1894

Prolimnocyon atavus Matthew & Granger, 1915

Prolimnocyon haematus Gingerich & Deutsch, 1989

Prolimnocyon robustus (Matthew & Granger, 1915)

Prototomus deimos Gingerich & Deutsch, 1989

Prototomus martis Gingerich & Deutsch, 1989

Prototomus phobos Gingerich & Deutsch, 1989

Prototomus robustus (Matthew & Granger, 1915)

Prototomus secundarius (Cope, 1875)

Prototomus viverrinus Cope, 1874

Prototomus vulpecula (Matthew & Granger, 1915)

Sinopa Leidy, 1871

Sinopa strenua (Cope, 1875)

Tritemnodon strenuus (Cope, 1875)

HYBODONTIDAE

Petrodus patelliformis McCoy, 1848

HYBOTIDAE

Tachypeza primitiva Melander, 1949

HYDRAENIDAE

Hydraena Kugelann, 1794

Hydraena circulata Perkins, 1980

HYDRANGEACEAE

Fendlera Engelm. & A.Gray

Hydrangea L.

Jamesia Torr. & A.Gray

Philadelphus L.

Philadelphus minutus Rydb.

HYDREIONOCRINIDAE

Hydreionocrinus De Koninck, 1858

HYDROCHARITACEAE

Limnobium Rich.

HYDROPHILIDAE

Berosus tenuis Scudder, 1878

Creniphilites orpheus Wickham, 1913

Enochrus Thomson, 1859

Enochrus hamiltoni (Horn, 1890)

Enochrus scudderi (Wickham, 1909)

Hydrobius fuscipes (Linnaeus, 1758)

Hydrobius maceratus Scudder, 1900

Hydrobius prisconatator Wickham, 1911

Hydrobius titan Wickham, 1913

Hydrophilus extricatus (Scudder, 1900)

Hydrophilus triangularis Say, 1823

Philhydrus scudderi (Wickham, 1909)

Philydrus scudderi Wickham, 1909

Tropisternus Solier, 1834

Tropisternus limitatus Scudder, 1900

Tropisternus sculptilis Scudder, 1878

Tropisternus vanus Scudder, 1900

HYDROPSYCHIDAE

Hydropsyche marcens Scudder, 1890

Hydropsyche operta (Scudder, 1877)

Hydropsyche scudderi Cockerell, 1909

HYDROPTILIDAE

Hydroptila phileos Cockerell, 1920

HYLIDAE

Acris Duméril & Bibron, 1841

Pseudacris triseriata (Wied-Neuwied, 1838)

HYMENOLEPIDIDAE

Halysis gracilis Zeder, 1803

HYOLITHIDAE

Nevadotheca princeps (Billings, 1872)

HYOPSODONTIDAE

Aletodon gunnelli Gingerich, 1977

Haplaletes pelicatus Gazin, 1956

Haplomylus Matthew, 1915

Haplomylus simpsoni Rose, 1981

Haplomylus speirianus (Cope, 1880)

Hyopsodus Leidy, 1870

Hyopsodus loomisi McKenna, 1960

Hyopsodus lysitensis Gingerich, 1974

Hyopsodus minor Loomis, 1905

Hyopsodus miticulus (Cope, 1874)

Hyopsodus paulus Leidy, 1870

Hyopsodus powellianus Cope, 1884

Hyopsodus simplex Loomis, 1905

Hyopsodus walcottianus Matthew, 1915

Hyopsodus wortmani Osborn, 1902

Litomylus ishami Gazin, 1956

Platymastus mellon (Van Valen, 1978)

Utemylus latomius Gingerich, 1983

Utemylus serior (Gazin, 1956)

HYPERTRAGULIDAE

Hypertragulus Cope, 1874

Hypertragulus calcaratus (Cope, 1873)

Hypisodus Cope, 1873

Hypisodus minimus (Cope, 1873)

HYPNACEAE

Hypnum Hedw.

Hypnum coloradense Brown, 1962

Sequoia haydeni (Lesquereux, 1874)

HYPORHINIDAE

Hyporhina Baur, 1893

Hyporhina galbreathi Taylor, 1951

HYPSILOPHODONTIDAE

Macelognathus vagans Marsh, 1884

Thescelosaurus Gilmore, 1913

HYRACHYIDAE

Dilophodon Scott, 1883

HYRACODONTIDAE

Hyrachyus Leidy, 1871

Hyrachyus modestus (Leidy, 1870)

Hyracodon Leidy, 1856

Hyracodon leidyanus Troxell, 1921

Hyracodon nebrascensis (Leidy, 1850)

Hyracodon nebraskensis (Leidy, 1850)

Hyracodon selenidens Troxell, 1921

Triplopus implicatus (Cope, 1873)

IBALIIDAE

Protoibalia connexiva Brues, 1910

ICACINACEAE

Palaeophytocrene E.M.Reid & M.E.J.Chandler, 1933

ICANOTIIDAE

Icanotia

Icanotia californica Squires & Saul, 2006

ICHNEUMONIDAE

Absyrtus decrepitus Brues, 1910

Acoenites defunctus Brues, 1906

Amblyteles pealei Cockerell, 1927

Anomalon Panzer, 1804

Anomalon confertum Brues, 1910

Anomalon deletum Brues, 1910

Anomalon excisum Brues, 1910

Anomalon miocenicum Cockerell, 1919

Barylypa primigena Brues, 1910

Camerotops solidatus Brues, 1910

Cryptus Fabricius, 1804

Cryptus delineatus Brues, 1910

Demophorus antiquus Brues, 1910

Eclytus Holmgren, 1857

Eopimpla grandis Cockerell, 1921

Exenterus dormitans Cockerell, 1924

Exetastes inveteratus Brues, 1910

Exochilum inusitatum Brues, 1910

Exochus captus Brues, 1910

Glypta aurora Brues, 1910

Hellwigia obsoleta (Brues, 1910)

Hemiteles lapidescens Brues, 1910

Hemiteles obtectus Brues, 1910

Hemiteles priscus Brues, 1910

Hemiteles veternus Brues, 1910

Hiatensor funditus Brues, 1910

Hiatensor semirutus Brues, 1910

Ichneumon Linnaeus, 1758

Ichneumon alpha Brues, 1910

Ichneumon concretus Brues, 1910

Ichneumon decrepitus Brues, 1910

Ichneumon dormitans Brues, 1910

Ichneumon exesus Brues, 1910

Ichneumon obduratus Brues, 1910

Ichneumon petrinus Scudder, 1877

Ichneumon pollens Brues, 1910

Ichneumon primigenius Brues, 1910

Ichneumon provectus Brues, 1910

Ichneumon somniatus Brues, 1910

Ichneumon torpefactus Brues, 1910

Labrorychus latens Brues, 1910

Lampronota pristina Brues, 1910

Lampronota stygialis Brues, 1910

Lampronota tenebrosa Brues, 1910

Lapton daemon Brues, 1910

Leptobatopsis ashmeadii Brues, 1910

Limnerium

Limnerium consuetum Brues, 1910

Limnerium depositum Brues, 1910

Limnerium plenum Brues, 1910

Limnerium tectum Brues, 1910

Limnerium vetustum Brues, 1910

Lissonota Gravenhorst, 1829

Lithoserix williamsi Brown, 1986

Megatryphon mortiferus Cockerell, 1924

Mesochorus Gravenhorst, 1829

Mesochorus abolitus Brues, 1910

Mesochorus aboriginalis Brues, 1910

Mesochorus carceratus Brues, 1910

Mesochorus cataclysmi Brues, 1910

Mesochorus dormitorius Brues, 1910

Mesochorus lapideus Brues, 1910

Mesochorus revocatus Brues, 1910

Mesochorus terrosus Brues, 1910

Mesoleptus apertus Brues, 1910

Mesoleptus exstirpatus Brues, 1910

Mesopimpla sequoiarum Cockerell, 1919

Mesostenus modestus Brues, 1906

Orthocentrus defossus Brues, 1910

Orthocentrus primus Brues, 1906

Parabates memorialis Brues, 1910

Phygadeuon Gravenhorst, 1829

Pimpla Fabricius, 1804

Pimpla appendigera Brues, 1906

Pimpla eocenica Cockerell, 1919

Pimpla morticina Brues, 1910

Pimpla rediviva Brues, 1910

Pimpla revelata Brues, 1910

Pimpla senilis Brues, 1910

Plectiscidea lanhami Cockerell, 1941

Polysphincta inundata Brues, 1910

Polysphincta mortuaria Brues, 1910

Polysphincta petrorum Brues, 1910

Porizon exsectus Brues, 1910

Protohellwigia obsoleta (Brues, 1910)

Rhyssa juvenis Scudder, 1890

Rhyssa petiolata Brues, 1906

Theronia wickhami Cockerell, 1919

Trogus vetus Brues, 1910

Tryphon amasidis Cockerell & Leveque, 1931

Tryphon cadaver Brues, 1910

Tryphon explanatum Cockerell, 1919

Tryphon florissantensis Brues, 1910

Tryphon lapideus Brues, 1910

Tryphon peregrinus Brues, 1910

Tryphon senex Brues, 1910

Tylecomnus davisii Brues, 1910

Tylecomnus pimploides Brues, 1910

Xylonomus sejugatus Brues, 1910

ICHTHYODECTIDAE

Cladocyclus Agassiz, 1841

Ichthyodectes Cope, 1870

Xiphactinus Leidy, 1870

Xiphactinus audax (Leidy, 1870)

ICHTHYOTRINGIDAE

Apateodus Woodward, 1901

ICRIOCARCINIDAE

Branchiocarcinus pacificus Nyborg, Osso, & Vega, 2014

ICRIODONTIDAE

Icriodus Branson & Mehl, 1933

Pelekysgnathus Thomas, 1949

ICTALURIDAE

Astephus Cope, 1873

Rhineastes Cope, 1872

Rhineastes pectinatus Cope, 1874

Rhineastes peltatus Cope, 1872

ICTERIDAE

Agelaius Vieillot, 1816

IGNOTORNIDAE

Ignotornis mcconnelli Mehl, 1931

IGUANIDAE

Aciprion formosum Cope, 1873

Aciprion majus Gilmore, 1928

IGUANODONTIPODIDAE

Caririchnium Leonardi, 1984

INCERTAE SEDIS

Acrostemma yoloensis (Anderson, 1958)

Alamirifica

Alamirifica corona Saul & Squires, 2003

Alamirifica harveyi (Whiteaves, 1903)

Alamirifica ursa Saul & Squires, 2003

Ancyloceratina indet.

Brachyura indet.

Bullamirifica

Bullamirifica ainiktos (Dailey & Popenoe, 1966)

Bullamirifica elegans Squires & Saul, 2005

Bullamirifica verruca Squires & Saul, 2005

Caulostrepsis isp.

Entobia isp.

Gastrochaenolites isp.

Haydenia impressa Gabb, 1864

Oichnus isp.

Teredolites isp.

indet.

INOCELLIIDAE

Fibla exusta (Cockerell & Custer, 1925)

INOCERAMIDAE

Cataceramus Cox, 1969

Cataceramus barabini (Morton, 1834)

Cataceramus palliseri (Douglas, 1942)

Cataceramus subcircularis (Meek, 1876)

Cataceramus subundatus (Meek, 1861)

Cladoceramus undulatoplicatus (Roemer, 1852)

Cordiceramus Seitz, 1961

Cordiceramus cordiformis (Sowerby, 1823)

Cremnoceramus Cox, 1969

Cremnoceramus crassus (Petrascheck, 1903)

Cremnoceramus deformis (Meek, 1871)

Cremnoceramus deformis deformis

Cremnoceramus deformis erectus (Meek, 1877)

Cremnoceramus waltersdorfensis hannovrensis (Heinz, 1932)

Endocostea typica Whitfield, 1877

Inoceramidae indet.

Inoceramus

Inoceramus (Endocostea) vancouverensis Shumard, 1858

Inoceramus J.Sowerby, 1814

Inoceramus altusiformis Walaszczyk, Cobban & Harries, 2001

Inoceramus anomalus Heine, 1929

Inoceramus balchiformis Walaszczyk, Cobban & Harries, 2001

Inoceramus balticus J.Böhm, 1907

Inoceramus comancheanus Cragin, 1894

Inoceramus cripsii Mantell, 1822

Inoceramus dakotensis Walaszczyk & Cobban, 2000

Inoceramus deformis (Meek, 1871)

Inoceramus dimidius White, 1874

Inoceramus ezoensis Yokoyama, 1890

Inoceramus fibrosus (Meek & Hayden, 1857)

Inoceramus fragilis Hall & Meek, 1856

Inoceramus labiatus (Schlotheim, 1813)

Inoceramus latus Sowerby, 1814

Inoceramus longealatus Tröger, 1967

Inoceramus orientalis ambiguus Nagao & Matsumoto, 1940

Inoceramus perplexus Whitfield, 1877

Inoceramus pictus J.de C.Sowerby, 1829

Inoceramus prefragilis Stephenson, 1952

Inoceramus scotti Walaszczyk, Cobban & Harries, 2001

Inoceramus tenuilineatus (Hall & Meek, 1855)

Inoceramus tenuistriatus Nagao & Matsumoto, 1940

Inoceramus wandereri Andert, 1911

Inoceramus whitfieldi Walaszczyk, Cobban & Harries, 2001

Inoceramus whitneyi Gabb, 1869

Inoceramus wyomingensis Walaszczyk, Cobban & Harries, 2001

Magadiceramus Seitz, 1970

Magadiceramus subquadratus (Schlüter, 1887)

Mytiloides Brongniart, 1822

Mytiloides goppelnensis (Badillet & Sornay, 1980)

Mytiloides incertus (Jimbo, 1894)

Mytiloides labiatus (Schlotheim, 1813)

Mytiloides mytiloides (Mantell, 1822)

Mytiloides mytiloidiformis (Tröger, 1967)

Mytiloides ratonensis Walaszczyk & Cobban, 2000

Mytiloides stantoni (Sokolow, 1914)

Platyceramus Seitz, 1961

Platyceramus cycloides (Wegner, 1905)

Platyceramus platinus (Logan, 1898)

Sphaeroceramus Heinz, 1932

Sphenoceramus J.Böhm, 1915

Sphenoceramus naumanni (Yokoyama, 1890)

Volviceramus Stoliczka, 1871

Volviceramus involutus (J.de C.Sowerby, 1828)

IRIDINIDAE

Modiolopsis Hall, 1847

Myalina swallovi (McChesney, 1860)

Orthonota Conrad, 1841

ISCHYROMYIDAE

Acritoparamys Korth, 1984

Acritoparamys atwateri (Loomis, 1907)

Acritoparamys pattersoni (Wood, 1962)

Apatosciuravus bifax Korth, 1984

Franimys Wood, 1962

Ischyromys Leidy, 1856

Ischyromys cristatus (Cope, 1873)

Ischyromys douglassi (Black, 1968)

Ischyromys troxelli Wood, 1937

Ischyromys typus Leidy, 1856

Ischyromys typus nanus Troxell, 1922

Ischyromys veterior (Matthew, 1903)

Leptotomus Matthew, 1910

Leptotomus bridgerensis Wood, 1962

Leptotomus costilloi (Wood, 1962)

Leptotomus grandis (Wood, 1962)

Leptotomus huerfanensis Wood, 1962

Leptotomus parvus Wood, 1959

Lophiparamys debequensis Wood, 1962

Mytonomys coloradensis (Wood, 1962)

Notoparamys arctios Korth, 1984

Notoparamys costilloi (Wood, 1962)

Paramys Leidy, 1871

Paramys copei Loomis, 1907

Paramys excavatus Loomis, 1907

Paramys taurus Korth, 1984

Quadratomus grandis (Wood, 1962)

Thisbemys Wood, 1959

Thisbemys elachistos Korth, 1984

Thisbemys nini (Wood, 1962)

Thisbemys perditus Wood, 1962

Titanotheriomys

ISECTOLOPHIDAE

Cardiolophus Gingerich, 1991

Cardiolophus radinskyi Gingerich, 1991

Homogalax Hay, 1899

Homogalax primaevus (Wortman, 1896)

Homogalax protapirinus (Wortman, 1896)

Isectolophus annectens Scott & Osborn, 1887

Isectolophus latidens (Osborn et al., 1878)

ISOCHILINIDAE

Isochilina Jones, 1858

ISOETACEAE

Isoetites horridus (Dawson, 1883)

ISOGNOMONIDAE

Isognomon

ITHONIDAE

Polystoechotites piperatus (Cockerell, 1908)

JUGLANDACEAE

Carya Nutt.

Carya antiquorum Newberry, 1868

Cyclocarya Iljinsk.

Dryophyllum Debey ex Saporta, 1868

Engelhardtia Blume

Juglans L.

Juglans arctica Heer, 1882

Juglans costata Dode

Juglans rugosa Lesquereux, 1878

Pterocarya Kunth

Pterocarya hispida Brown, 1962

Rhus obscura M.Bieb.

JULIDAE

Iulus florissantellus Cockerell, 1907

JUNCACEAE

Juncus acicularis H.Roux

KALOTERMITIDAE

Cryptotermes ryshkoffi Pierce, 1958

KATERETIDAE

Amartus petrefactus Wickham, 1912

KEROPLATIDAE

Palaeoplatyura eocenica Cockerell, 1921

Proapemon infernus Melander, 1949

KINOSTERNIDAE

Baltemys velogastros Lichtig & Lucas, 2015

KOSSMOCERATIDAE

Eogunnarites matsumotoi Murphy & Rodda, 1960

KRAUSSINIDAE

Creterhynchia? dubitanda (Cooper, 1894)

LABIDURIDAE

Labiduromma Scudder, 1890

Labiduromma avia Scudder, 1890

Labiduromma bormansi Scudder, 1890

LAEMOPHLOEIDAE

Leptophloeus alternans (Erichson, 1846)

LAMIACEAE

Holmskioldia Retz.

LAMNIDAE

Galeocerdo hartwellii Cope, 1872

Lamna Cuvier, 1816

Scapanorhynchus raphiodon (Agassiz, 1843)

Squalicorax Whitley, 1939

Squalicorax curvatus (Williston, 1900)

Squalicorax falcatus (Agassiz, 1843)

Squalicorax pristodontus (Agassiz, 1835)

LAMPYRIDAE

Lucidota prima (Wickham, 1912)

LAPWORTHURIDAE

Ophiopolytretus aethus Webster et al., 1999

LARIDAE

Larus Linnaeus, 1758

LASAEIDAE

Erycina

Erycina problematica Saul, m.s.

Lasaeidae indet.

Rhectomyax

Rhectomyax undulatus (Gabb, 1864)

LATERNULIDAE

Laternula

Laternula Röding, 1798

Laternula affinis (Whiteaves, 1879)

Laternula alisoensis (Packard, 1922)

Laternulidae indet.

Periplomya

Periplomya occidentalis (Meek, 1858)

Periplomya subtrancata (Meek, 1857)

Platymyoidea

Platymyoidea subcylindracea (Whiteaves, 1903)

LATRIDIIDAE

Corticaria Marsham, 1802

Corticaria aeterna Wickham, 1914

Corticaria egregia Wickham, 1914

Corticaria occlusa Wickham, 1914

Corticaria petrefacta Wickham, 1913

LAURACEAE

Beilschmiedia Nees

Cinnamomum Schaeff.

Cinnamomum lanceolatum Heer, 1856

Cinnamomum sezannense Brown, 1962

Daphnophyllum dakotense Campbell, 1961

Laurophyllum Göppert, 1854

Laurophyllum caudatum Brown, 1962

Laurophyllum perseanum Brown, 1962

Laurus L.

Laurus salicifolia hort.

Lindera (Adans.) Thunb.

Lindera obtusata Brown, 1962

Litsaea Pers., 1806

Litsea Lam.

Marmarthia johnsonii Peppe et al., 2007

Marmarthia pearsonii Johnson, 1996

Ocotea Aubl.

Persea Mill.

Persea brossiana Brown, 1962

Persea coriacea Kosterm.

Sassafras J.Presl

Sassafras thermale Brown, 1962

LEIODIDAE

Anisotoma sibylla Wickham, 1913

Hydnobius tibialis Wickham, 1913

LEIOPRODUCTIDAE

Leioproductus

Leioproductus varispinosus (Stainbrook, 1947)

Planoproductus

Planoproductus hillsboroensis (Kindle, 1909)

LEIORHYNCHIDAE

Paurorhyncha Cooper, 1942

LEIOSTEGIIDAE

Leiostegium formosa Hintze, 1952

Leiostegium manitouensis (Walcott, 1925)

LEPERDITIIDAE

Leperditia Rouault, 1851

Leperditia caecigena Miller, 1881

LEPETIDAE

Limalepeta

LEPIDODENDRACEAE

Lepidodendron Sternberg, 1820

Lepidophloios laricinus (Sternberg, 1820)

Lepidophylloides N.S.Snigirevskaja, 1958

Lepidostrobophyllum M.Hirmer, 1927

Lepidostrobus A.T.Brongniart, 1828

Stigmaria A.T.Brongniart, 1822

Stigmaria ficoides Sternberg, 1822

LEPISOSTEIDAE

Lepidosteus atrox Leidy, 1873

Lepisosteus Lacepède, 1803

Lepisosteus occidentalis (Leidy, 1856) Leidy, 1856

LEPORIDAE

Archaeolagus Dice, 1917

Aztlanolagus Russell & Harris, 1986

Brachylagus Miller, 1900

Brachylagus coloradoensis Ramos, 1999

Hypolagus Dice, 1917

Lepus Linnaeus, 1758

Lepus townsendii Bachman, 1839

Megalagus Walker, 1931

Megalagus brachyodon (Matthew, 1903)

Megalagus turgidus (Cope, 1873)

Palaeolagus Leidy, 1856

Palaeolagus burkei Wood, 1940

Palaeolagus haydeni Leidy, 1856

Palaeolagus intermedius Matthew, 1899

Palaeolagus turgidus (Cope, 1873)

Sylvilagus Gray, 1867

Sylvilagus audubonii (Baird, 1858)

Sylvilagus idahoensis (Merriam, 1891)

LEPTICTIDAE

Diacodon alticuspis Cope, 1875

Ictops Leidy, 1869

Ictops bullatus (Matthew, 1899)

Leptictis Leidy, 1869

Palaeictops Matthew, 1899

Palaeictops bicuspis (Cope, 1880)

Palaeictops matthewi Novacek, 1977

Palaeictops multicuspis (Granger, 1910)

Palaeictops tauricinerei (Jepsen, 1930)

Prodiacodon Matthew, 1929

Prodiacodon tauricinerei (Jepsen, 1930)

Xenacodon mutilatus Matthew & Granger, 1921

LEPTOCERIDAE

Setodes abbreviatus Scudder, 1890

Setodes portionalis Scudder, 1890

LEPTOCHOERIDAE

Leptochoerus Leidy, 1856

Leptochoerus spectabilis Leidy, 1856

Stibarus Cope, 1873

Stibarus obtusilobus Cope, 1873

Stibarus quadricuspis (Hatcher, 1901)

LEPTOLEPIDIDAE

Leptolepis Agassiz, 1832

LEPTOMERYCIDAE

Hendryomeryx esulcatus (Cope, 1889)

Leptomeryx Leidy, 1853

Leptomeryx esulcatus (Cope, 1889)

Leptomeryx evansi Leidy, 1853

Leptomeryx speciosus Lambe, 1908

LEPTOPHLEBIIDAE

Lepismophlebia platymera (Scudder, 1890)

LICHENARIIDAE

Lichenaria Winchell & Schuchert, 1893

LIMIDAE

Lima

Lima Bruguière, 1797

Lima beta (Popenoe, 1937)

Lima suciensis Whiteaves, 1903

Limatula (Limatula)

Limidae indet.

LIMNEPHILIDAE

Asynarchus McLachlan, 1880

Indusia cypridis Cockerell, 1910

Limnephilus eocenicus Cockerell, 1920

Limnophilus soporatus Scudder, 1890

LIMNOCYTHERIDAE

Bisulcocypris Pinto & Sanguinetti, 1958

Metacypris Brady & Robertson, 1870

LIMNOPHILIDAE

Tricheopteryx florissantensis (Cockerell, 1907)

LIMNOSCELIDAE

Limnoscelis dynatis Berman & Sumida, 1990

LIMONIIDAE

Antocha principialis Scudder, 1894

Cladoneura willistoni Scudder, 1894

Cladura integra Scudder, 1894

Cladura maculata Scudder, 1894

Dicranomyia faecarius (Scudder, 1894)

Dicranomyia fontainei Scudder, 1894

Dicranomyia fragilis Scudder, 1894

Dicranomyia inferna Scudder, 1894

Dicranomyia loewi (Scudder, 1894)

Dicranomyia longipes Scudder, 1894

Dicranomyia primitiva Scudder, 1877

Dicranomyia rostrata Scudder, 1877

Dicranomyia saxetana (Scudder, 1894)

Dicranomyia stagnorum Scudder, 1894

Dicranomyia stigmosa Scudder, 1877

Idiognophomyia seiverti (Brown, 1985)

Limnocema lutescens Scudder, 1894

Limnocema marcescens Scudder, 1894

Limnocema mortoni Scudder, 1894

Limnocema sternbergi Cockerell, 1927

Limnocema styx Scudder, 1894

Limnophila rogersii Scudder, 1894

Limnophila vasta Scudder, 1894

Oryctogma sackenii Scudder, 1894

Pronophlebia rediviva Scudder, 1877

Rhabdomastix frigida (Scudder, 1894)

Rhabdomastix labefactata (Scudder, 1894)

Rhabdomastix praecursor Cockerell, 1927

Rhabdomastix primogenitalis (Scudder, 1894)

Rhabdomastix profundi (Scudder, 1894)

Rhabdomastix scudderi (Cockerell, 1920)

Rhadinobrochus extinctus Scudder, 1894

Spiladomyia simplex Scudder, 1877

LIMOPSIDAE

Limopsis

Limopsis demerei Squires, 2012

Limopsis parva Harder, 1913

Limopsis silveradoensis Packard, 1922

LINGULIDAE

Lingula Bruguière, 1791

Lingula huronensis Billings, 1859

LINOPRODUCTIDAE

Linoproductus Chao, 1927

LINYPHIIDAE

Linyphia byrami Cockerell, 1925

Linyphia florissanti Petrunkevitch, 1922

Linyphia pachygnathoides Petrunkevitch, 1922

Linyphia retensa Scudder, 1890

Linyphia seclusa (Scudder, 1890)

LIOESTHERIIDAE

Lioestheria Deperet & Mazeran, 1912

LITUOLIDAE

Ammobaculites Cushman, 1910

Ammobaculites euides Loeblich & Tappan, 1949

Ammobaculites fragmentarius Cushman, 1927

Ammobaculites mastersi Morris, 1971

Ammobaculites pagodensis Morris, 1971

Ammobaculites wenonahae Tappan, 1960

Ammotium Loeblich & Tappan, 1953

LOCUSTOPSIDAE

Parapleurites morrisonensis Smith, Gorman, Pardo & Small, 2011

LONCHIDIIDAE

Lonchidion selachos (Estes, 1964)

LOPHOPHYLLIDAE

Lophamplexus Moore & Jeffords, 1941

LOPHOPHYLLIDIIDAE

Lophophyllum profundum (Milne-Edward & Haime, 1851)

LOPHOPIDAE

Scoparidea nebulosa Cockerell, 1921

LOPHOSPIRIDAE

Lophospira perangulata (Hall, 1847)

LOXONEMATIDAE

Loxonema Phillips, 1841

LUCANIDAE

Ceruchus fuchsii Wickham, 1911

LUCINIDAE

Lucina

Lucina Bruguière, 1797

Lucina occidentalis Reeve, 1850

Lucinidae indet.

Nymphalucina Speden, 1970

Nymphalucina occidentalis (Morton, 1842)

LUTROCHIDAE

Lutrochites lecontei Wickham, 1912

LYCAENIDAE

Lithodryas styx (Scudder, 1889)

LYCIDAE

Miocaenia pectinicornis Wickham, 1914

LYCOSIDAE

Lycosa florissanti Petrunkevitch, 1922

LYELLICERATIDAE

Neoptychites Kossmat, 1895

LYGAEIDAE

Nysius stratus Scudder, 1890

Nysius terrae Scudder, 1890

Nysius tritus Scudder, 1890

Nysius vecula Scudder, 1890

Nysius vinctus Scudder, 1890

LYGINOPTERIDACEAE

Araucarioxylon Kraus, 1870

Sphenopteris (A.T.Brongniart) Sternberg, 1825

LYGODIACEAE

Lygodium Sw.

Lygodium kaulfussi Heer

LYMEXYLIDAE

Melittomma lacustrinum (Wickham, 1911)

LYMNAEIDAE

Linnaeus Pickering, 1861

Lymnaea scudderi Cockerell, 1906

Radix venusta (Russell, 1938)

LYRODESMATIDAE

Lyrodesma Conrad, 1841

LYTOCERATIDAE

Eotetragonites shoupi Murphy, 1967

Lytoceras batesi (Trask, 1855)

Lytoceras traski Anderson, 1938

MACLUREADAE

Maclurites Lesueur, 1818

MACLURITIDAE

Macluritella stantoni Kirk, 1927

MACTRIDAE

Cymbophora

Cymbophora ashburnerii (Gabb, 1864)

Cymbophora bella Saul, 1974

Cymbophora buttensis Anderson, 1958

Cymbophora gabbiana (Anderson, 1902)

Cymbophora popenoei Saul, 1974

Cymbophora stantoni (Arnold, 1908)

Cymbophora suciensis (Whiteaves, 1879)

Cymbophora triangulata (Waring, 1917)

Mactra Linnaeus, 1767

Mactra alta Deshayes, 1855

Mactridae indet.

Nelltia angulata (Gabb, 1864)

Nelltia salsa Saul, 1973

Pteroluter othnius Saul, 1973

Willimactra

Willimactra (Petromactra) mathewsonii (Gabb, 1864)

Willimactra (Petromactra) truncata (Gabb, 1864)

Willimactra popenoei Saul, 1973

Willimactra putida Saul, 1973

MACTROMYIDAE

Thetis J.de C.Sowerby, 1826

MAGNOLIACEAE

Liriodendron L.

Liriodendropsis simplex Newberry, 1895

Liriophyllum Lesquereux, 1878

Magnolia Plum. ex L.

Magnolia capellinii Heer, 1866

Magnolia speciosa Rchb.

MALLETIIDAE

Malletia

MALVACEAE

Apeibopsis Heer, 1859

Baridinae

Cryptorhynchinae

Dombeyopsis F.J.A.N.Unger, 1850

Epicaerus

Florissantia speirii Manchester, 1992

Grewiopsis G.Saporta, 1865

Pemphredoninae

Penosphyllum cordatum (Manchester, 2014)

Rhynchitinae

Sterculia L.

Tilia L.

Tilia populifolia Lesquereux

MAMMUTIDAE

Elephas columbi (Falconer, 1857)

Gomphotherium fricki (Peterson, 1928)

Gomphotherium obscurum (Leidy, 1869)

Mammuthus columbi (Falconer, 1857)

Zygolophodon Vacek, 1877

MANTIDAE

Eobruneria tessellata Cockerell, 1913

MANTISPIDAE

Protonolima mantispinoformis Makarkin, 2019

MARGARITIDAE

Margarites

Pupillaria lomana Squires, 2011

MARGARODIDAE

Monophlebus simplex Scudder, 1890

MARGINIFERIDAE

Marginifera longispina (Sowerby, 1814)

MARSILEACEAE

Marsilea L.

MARSUPIALIA

Marsupialia

Peradectes pusillus (Matthew & Granger, 1921)

Thylacodon montanensis Williamson et al., 2012

Thylacodon pusillus Matthew & Granger, 1921

MARTYNIACEAE

Proboscidea

MASARIDAE

Chrysis miocenica Rohwer, 1909

Chrysis rohweri Cockerell, 1907

MATHILDIDAE

Echinimathilda querna Squires & Saul, 2003

Mathilda

MAWSONIIDAE

Chinlea sorenseni Schaeffer, 1967

MEEKELLIDAE

Meekella White & St.John, 1867

MEEKOSPIRIDAE

Meekospira Ulrich, 1897

MEGACHILIDAE

Anthidium exhumatum Cockerell, 1906

Anthidium scudderi Cockerell, 1906

Dianthidium tertiarium Cockerell, 1906

Heriades bowditchi Cockerell, 1906

Heriades halictinus Cockerell, 1906

Heriades laminarum Cockerell, 1906

Heriades mersatus Cockerell, 1923

Heriades mildredae Cockerell, 1925

Heriades priscus Cockerell, 1917

Heriades saxosus Cockerell, 1913

Lithanthidium pertriste Cockerell, 1911

Megachile praedicta Cockerell, 1908

MEGALOSAURIDAE

Torvosaurus tanneri Galton & Jensen, 1979

MEGAPODAGRIONIDAE

Lithagrion umbratum (Scudder, 1890)

Melanagrion nigerrimum Cockerell, 1908

Melanagrion umbratum (Scudder, 1890)

MELANOPSIDAE

Boggsia tenuis (Gabb, 1864)

Melanopsidae indet.

MELANTHRIPIDAE

Melanothrips extincta Scudder, 1875

MELIACEAE

Cedrela P.Browne

Cedrelospermum G.Saporta, 1889

Cedrelospermum nervosum Newberry, 1883

Trichilia P.Browne

MELLITIDAE

Mellita quinquiesperforata (Leske, 1778)

MELOIDAE

Epicauta subneglecta Wickham, 1914

Gnathium aetatis Scudder, 1900

Lytta Fabricius, 1775

Lytta lithophila (Wickham, 1914)

Nemognatha exsecta Wickham, 1912

Tetraonyx minuscula Wickham, 1914

MELOLONTHIDAE

Diplotaxis aurora Wickham, 1913

Diplotaxis simplicipes Wickham, 1912

Hoplia striatipennis Wickham, 1914

Listrochelus puerilis Wickham, 1914

Macrodactylus pluto Wickham, 1912

Macrodactylus propheticus Wickham, 1912

Miolachnosterna tristoides Wickham, 1914

Phyllophaga avus (Cockerell, 1922)

Phyllophaga disrupta Cockerell, 1927

Phyllophaga extincta (Wickham, 1916)

Serica antediluviana Wickham, 1912

Serica cockerelli Wickham, 1914

Serica kanakoffi Pierce, 1946

MELONGENIDAE

Melongenidae indet.

Palaeatractus crassus Gabb, 1869

Pyrifusus Conrad, 1858

Remera vacca Saul & Popenoe, 1993

Saturnus dubius (Packard, 1922)

MELYRIDAE

Collops desuetus Wickham, 1914

Collops extrusus Wickham, 1914

Collops priscus Wickham, 1914

Eudasytites listriformis Wickham, 1912

Eutrichopleurus miocenus (Wickham, 1912)

Malachius immurus Wickham, 1917

MENISPERMACEAE

Cocculus DC.

Menispermites L.Lesquereux, 1874

MEPHITIDAE

Mephitis mephitis (Schreber, 1776)

Spilogale Gray, 1865

Spilogale gracilis Merriam, 1890

Spilogale putorius (Linnaeus, 1758)

MERISTELLIDAE

Meristella Hall, 1859

MERYCOIDODONTIDAE

Bathygenys alpha Douglass, 1902

Brachycrus Matthew, 1901

Eporeodon Marsh, 1875

Eucrotaphus jacksoni

Genetochoerus periculorum (Cope, 1884)

Leptauchenia Leidy, 1856

Leptauchenia decora Leidy, 1856

Leptauchenia major (Leidy, 1856)

Merychyus Leidy, 1858

Merychyus arenarum Cope, 1884

Merychyus elegans Leidy, 1858

Merychyus medius (Leidy, 1858)

Merycochoerus Leidy, 1858

Merycochoerus magnus (Loomis, 1924)

Merycochoerus matthewi Loomis, 1924

Merycochoerus proprius Leidy, 1858

Merycoidodon Leidy, 1848

Merycoidodon culbertsonii (Leidy, 1848)

Merycoidodon gracilis (Leidy, 1851)

Merycoidodon major (Leidy, 1853)

Miniochoerus affinis (Leidy, 1869)

Miniochoerus gracilis (Leidy, 1851)

Oreodon Leidy, 1851

Oreodon culbertsoni (Leidy, 1848)

Oreonetes Loomis, 1924

Oreonetes chadronensis (Schultz & Falkenbach, 1956)

Oreonetes cheyennensis (Schultz & Falkenbach, 1956)

Oreonetes gracilis (Leidy, 1851)

Otionohyus alexi Schultz & Falkenbach, 1968

Prodesmatochoerus periculorum (Cope, 1884)

Sespia nitida (Leidy, 1869)

Ticholeptus Cope, 1878

Ustatochoerus Schultz & Falkenbach, 1941

Ustatochoerus medius (Leidy, 1858)

MESODESMATIDAE

Erisemele cretacea Saul, m.s.

MESONYCHIDAE

Dissacus navajovius (Cope, 1881)

Mesonyx Cope, 1872

Mesonyx obtusidens Cope, 1871

Pachyaena Cope, 1874

Pachyaena ossifraga (Cope, 1874)

Sinonyx Zhou, Zhai, Gingerich & Chen, 1995

METACHEIROMYIDAE

Metacheiromys Wortman, 1903

Propalaeanodon Rose, 1979

MIACIDAE

Miacis Cope, 1872

Miacis edax (Leidy, 1872)

Miacis exiguus Matthew & Granger, 1915

Miacis latidens Matthew & Granger, 1915

Miacis parvivorus Cope, 1872

Miacis vorax (Leidy, 1872)

Oodectes herpestoides Wortman, 1901

Uintacyon asodes Gazin, 1952

Uintacyon massetericus (Cope, 1882)

Uintacyon vorax (Leidy, 1872)

Vulpavus asius Gazin, 1952

Vulpavus australis Matthew & Granger, 1915

Vulpavus canavus (Cope, 1881)

MICROPTERNODONTIDAE

Micropternodus montrosensis Ostrander, 1983

MICROSYOPIDAE

Arctodontomys Gunnell, 1985

Arctodontomys nuptus (Cope, 1882)

Arctodontomys wilsoni (Szalay, 1969)

Cynodontomys Cope, 1882

Cynodontomys alfi (McKenna, 1960)

Cynodontomys knightensis (Gazin, 1952)

Megadelphus lundeliusi (White, 1952)

Microsyops Leidy, 1872

Microsyops alfi (McKenna, 1960)

Microsyops angustidens (Matthew, 1915)

Microsyops annectens (Marsh, 1872)

Microsyops elegans (Marsh, 1871)

Microsyops knightensis (Gazin, 1952)

Microsyops latidens (Cope, 1882)

Microsyops lundeliusi (White, 1952)

Microsyops scottianus (Cope, 1881)

Navajovius kohlhaasae Matthew & Granger, 1921

Niptomomys McKenna, 1960

Niptomomys doreenae McKenna, 1960

MILIAMMINIDAE

Miliammina ischnia Tappan, 1957

MILICHIIDAE

Genus B JS

MIOCIDARIDAE

Miocidaris Döderlein, 1887

MIOCLAENIDAE

Apheliscus Cope, 1875

Apheliscus insidiosus (Cope, 1874)

Apheliscus nitidus Simpson, 1937

Bomburia van Valen, 1978

Ellipsodon lemuroides (Matthew, 1897)

Phenacodaptes sabulosus (Jepsen, 1930)

Promioclaenus acolytus (Cope, 1882)

MIRIDAE

Capsus lacus S.Scudder, 1890

Capsus obsolefactus S.Scudder, 1890

Carmelus gravatus S.Scudder, 1890

Carmelus sepositus Scudder, 1890

Closterocoris elegans S.Scudder, 1890

Fuscus faecatus S.Scudder, 1890

Hadronema cinerescens S.Scudder, 1890

Poecilocapsus fremontii S.Scudder, 1890

Poecilocapsus ostentus S.Scudder, 1890

Poecilocapsus tabidus S.Scudder, 1890

Poecilocapsus veterandus S.Scudder, 1890

Poecilocapsus veternosus S.Scudder, 1890

MIRIDES

Aporema praestrictum Scudder, 1890

MODIOMORPHIDAE

Orthodesma Hall & Whitfield, 1875

Psiloconcha Ulrich, 1893

MOGOPLISTIDAE

Eomogoplistes longipennis Gorochov, 2012

Pronemobius smithii Scudder, 1890

Pteromogoplistes Gorochov, 2012

Pteromogoplistes grandis Gorochov, 2012

Pteromogoplistes smithii (Scudder, 1890)

MONOTOMIDAE

Rhizophagus remotus LeConte, 1866

MONTLIVALTIIDAE

Placosmilia

MORACEAE

Artocarpus J.R.Forst. & G.Forst.

Artocarpus lessigiana Knowlton

Ficus L.

Ficus auriculata Lour.

Ficus crassa Klotzsch & H.Karst. ex Dugand

Ficus goldmanii Standl.

Ficus krausiana Heer, 1869

Ficus lanceolata Buch.-Ham. ex Roxb.

Ficus latifolia Hort.Berol. ex Kunth & C.D.Bouché, 1846

Ficus planicostata Kunth & C.D.Bouché

Ficus reticulata Thunb.

Ficus rotundifolia Roxb.

Ficus spectabilis Kunth & Bouché

Ficus tiliaefolia Br

Ficus trinervia Reinw. ex Miq., 1867

Ficus truncata King

Ficus ungeri Lesquereux, 1878

Morus L.

Protoficus Saporta, 1868

MORDELLIDAE

Isotrilophus rasnitsyni Odnosum & Perkovsky, 2016

Mordella atrata Melsheimer, 1845

Mordella lapidicola Wickham, 1909

Mordella priscula Cockerell, 1925

Mordella stygia Wickham, 1914

Mordellistena Costa, 1854

Mordellistena florissantensis Wickham, 1912

Mordellistena nearctica Wickham, 1914

Mordellistena protogaea Wickham, 1914

Mordellistena scudderiana Wickham, 1914

Mordellistena smithiana Wickham, 1913

Tomoxia inundata Wickham, 1914

MOSASAURIDAE

Clidastes Cope, 1868

Mosasaurus Conybeare, 1822

Platecarpus Cope, 1869

Platecarpus coryphaeus (Cope, 1871)

Prognathodon Dollo, 1889

Prognathodon overtoni (Williston, 1897)

Tylosaurus proriger (Cope, 1869)

MOSCHIDAE

Blastomeryx Cope, 1877

Blastomeryx medius Matthew, 1924

MUCROSPIRIFERIDAE

Strophopleura

MUGILIDAE

Syllaemus Cope, 1875

MULTIOISTODONTIDAE

Erismodus gracilis (Branson & Mehl, 1933)

Erismodus quadridactylus (Stauffer, 1935)

Microcoelodus Branson & Mehl, 1933

MUNIERICERATIDAE

Pseudoschloenbachia

Tragodesmoceras Spath, 1922

Tragodesmoceras ashlandicum (Anderson, 1902)

Tragodesmoceras bassi Morrow, 1935

MURCHISONIIDAE

Murchisonia d'Archiac & Verneuil, 1841

MURICIDAE

Muricidae indet.

Shaskyus festivus (Hinds, 1844)

MURIDAE

Coloradoeumys galbreathi Martin, 1980

Cricetodon Lartet, 1851

Eoeumys Martin, 1980

Eoeumys vetus (Wood, 1937)

Eumys Leidy, 1856

Eumys brachyodus Wood, 1937

Eumys elegans Leidy, 1856

Eumys exiguus (Wood, 1937)

Eumys obliquidens Wood, 1937

Eumys parvidens Wood, 1937

Leidymys vetus (Wood, 1937)

Mimomys virginianus Repenning & Grady, 1988

Scottimus ambiguus Korth, 1981

Wilsoneumys Martin, 1980

Wilsoneumys planidens (Wilson, 1949)

MUSCIDAE

Acanthomyites aldrichi Cockerell, 1921

Bryantina Malloch, 1926

Ophyra vetusta Melander, 1949

MUSTELIDAE

Brachyprotoma obtusata (Cope, 1899)

Brachypsalis Cope, 1890

Brachypsalis modicus (Matthew, 1918)

Gulo Pallas, 1780

Gulo schlosseri Kormos, 1914

Leptarctus primus Leidy, 1856

Lontra canadensis (Schreber, 1777)

Lutra canadensis (Schreber, 1777)

Martes Frisch, 1775

Martes Pinel, 1792

Martes diluviana (Cope, 1889)

Megalictis Matthew, 1907

Mustela Linnaeus, 1758

Mustela erminea Linnaeus, 1758

Mustela frenata Lichtenstein, 1831

Mustela nigripes (Audubon & Bachman, 1851)

Mustela vison Schreber, 1777

Pekania diluviana (Cope, 1889)

Plionictis Matthew, 1924

Plionictis ogygia (Matthew, 1901)

Taxidea Waterhouse, 1839

Taxidea taxus (Schreber, 1777)

MYALINIDAE

Aviculopecten M'Coy, 1851

Myalina perattenuata (Meek & Hayden, 1858)

Myalina wyomingensis (Lea, 1853)

Septimyalina scitula Newell, 1942

Vanuxemia Billings, 1858

MYCETOPHAGIDAE

Mycetophagus exterminatus Wickham, 1913

Mycetophagus willistoni Wickham, 1913

MYCETOPHILIDAE

Acnemia cyclosoma Cockerell, 1925

Anatella Winnertz, 1863

Anatella tacita Scudder, 1890

Boletina hypogaea Melander, 1949

Exechia priscula Melander, 1949

Leia miocenica Cockerell, 1911

Leptomorphus palaeospilus (Cockerell, 1920)

Mycetophila bradenae Cockerell, 1915

Mycetophila occultata Scudder, 1877

Mycomya cockerelli Johannsen, 1912

Mycomya lithomendax Cockerell, 1915

Sackenia Scudder, 1877

Sackenia arcuata Scudder, 1877

Sciophila mirandula (Cockerell, 1909)

Tetragoneura peritula Cockerell, 1909

MYDIDAE

Mydas miocenicus Cockerell, 1913

MYLAGAULIDAE

Alezichnos chelecharatos Gobetz, 2006

Mesogaulus Riggs, 1899

Mesogaulus novellus (Matthew, 1924)

Mesogaulus paniensis (Matthew, 1902)

Mylagaulus Cope, 1878

Mylagaulus laevis (Matthew, 1902)

Promylagaulus McGrew, 1941

Pterogaulus laevis (Matthew, 1902)

MYLIOBATIDAE

Pseudohypolophus mcnultyi (Thurmond, 1971)

MYLODONTIDAE

Paramylodon Brown, 1903

Paramylodon harlani (Owen, 1840)

MYRICACEAE

Myrica L.

Myrica diversifolia Lesq.

Myrica scottii Lesquereux

MYRMECOLACIDAE

Caenocholax barkleyi Antell & Kathirithamby, 2016

Caenocholax palusaxus Antell & Kathirithamby, 2016

MYRMELEONTIDAE

Gepus Navás, 1912

MYRTACEAE

Eucalyptus L'Hér.

Eugenia L.

Eugenia americana Hort.Makoy ex É.Morren

MYTHICOMYIIDAE

Acrocera hirsuta Scudder, 1877

MYTILIDAE

Brachidontes

Brachidontes bifurcatus Popenoe, 1937

Crenella

Crenella T.Brown, 1827

Inoperna

Inoperna bellarugosa Popenoe, 1937

Lithophaga

Lithophaga (Diberus)

Lithophaga oviformis Gabb, 1864

Modiolus

Modiolus Lamarck, 1799

Modiolus siskiyouensis Gabb, 1864

Modiolus telea (Stewart, 1930)

Mytilidae indet.

Mytilus

Mytilus Linnaeus, 1758

Mytilus quadratus Gabb, 1869

Volsella Scopoli, 1777

Xenomytilus fons Squires & Saul, 2006

NABIDAE

Miocoris fagi Cockerell, 1927

NANOMANTIDAE

Eomantis Giglio-Tos, 1915

NASSARIIDAE

Caesia perpinguis (Hinds, 1844)

Eione Risso, 1826

Nassariidae indet.

NATICIDAE

Ampullina

Ampullina concipio Dailey & Popenoe, 1966

Ampullina mona Murphy & Rodda, 1960

Ampullina oviformis (Gabb, 1864)

Ampullina packardi Popenoe, 1937

Ampullina pseudoalveata (Packard, 1922)

Ampullina stantoni Murphy & Rodda, 1960

Banis "stephensoni" Saul, m.s.

Euspira

Euspira Agassiz, 1837

Euspira compressa (Waring, 1917)

Euspira marianus Murphy & Rodda, 1960

Euspira popenoei Murphy & Rodda, 1960

Euspira shumardiana (Gabb, 1864)

Gyrodes

Gyrodes (Gyrodes) dowelli White, 1889

Gyrodes (Hypterita) robsauli Popenoe, Saul, & Susuki, 1987

Gyrodes (Sohlella) banites Popenoe, Saul, & Susuki, 1987

Gyrodes (Sohlella) canadensis Whiteaves, 1903

Gyrodes (Sohlella) expansus (Gabb, 1864)

Gyrodes (Sohlella) pacificus Popenoe, Saul, & Susuki, 1987

Gyrodes (Sohlella) quercus Popenoe, Saul, & Susuki, 1987

Gyrodes (Sohlella) yolensis Popenoe, Saul, & Susuki, 1987

Gyrodes onensis Popenoe, Saul, & Susuki, 1987

Lunatia Gray, 1847

Natica Scopoli, 1777

Natica allisoni (Murphy & Rodda, 1960)

Natica conradiana conradiana (Gabb, 1864)

Natica conradiana vacculae Popenoe, Saul, & Susuki, 1987

Naticidae indet.

Polinices

Polinices mercedensis Anderson, 1958

NAUTILIDAE

Anglonautilus

Anglonautilus catarinae Sundberg, 1984

Cymatoceras

Cyrtogomphoceras Foerste, 1924

Eutrephoceras

Eutrephoceras dekayi (Morton, 1834)

Gyroceras de Koninck, 1844

Kummelonautilus

Nautilidae indet.

Protocycloceras manitouense Ulrich et al., 1944

Robsonoceras manitouense Ulrich et al., 1944

NELUMBONACEAE

Nelumbium Juss.

Nelumbium tenuifolium Lesquereux, 1874

Nelumbo Adans.

NEMESTRINIDAE

Hirmoneura melanderi Cockerell, 1908

Hirmoneura willistoni (Cockerell, 1910)

Neorhynchocephalus melanderi (Cockerell, 1908)

Neorhynchocephalus occultator (Cockerell, 1908)

Neorhynchocephalus vulcanicus (Cockerell, 1908)

Palembolus florigerus Scudder, 1878

Prosoeca florigera (Scudder, 1878)

NEMOPTERIDAE

Marquettia americana (Cockerell, 1907)

NEOEPIBLEMIDAE

Perimys Ameghino, 1887

NEOPLAGIAULACIDAE

Parikimys carpenteri Wilson et al., 2010

NEORTHROBLATTINIDAE

Neorthroblattina albolineata Scudder, 1885

NEPIDAE

Nepa vulcanica (Cockerell, 1908)

Ranatra Fabricius, 1790

Ranatra bessomi Pierce, 1948

Ranatra brevicollis Montandon, 1910

Ranatra fusca Palisot de Beauvois, 1820

NERINEIDAE

Aphanoptyxis

Aphanoptyxis californica Saul & Squires, 1998

NERINELLIDAE

Nerinella califae Saul & Squires, 2002

Nerinella santana Saul & Squires, 1998

Nerinella subaequalis (Orbigny, 1842)

NERITIDAE

Nerita

Nerita (Amphinerita) eos Saul & Squires, 1997

Nerita (Amphinerita) vacca Saul & Squires, 1997

Nerita (Bajanerita) banosensis Squires & Saul, 2002

Nerita (Theliostyla)

Nerita Linnaeus, 1758

Nerita orovillensis Squires & Saul, 2005

Nerita salsa Saul & Squires, 1997

Neritidae indet.

Neritina (Dostia) cuneata (Gabb, 1864)

Otostoma atopos Saul & Squires, 1997

Otostoma lucanus Saul & Squires, 1997

Otostoma sharonae Squires & Saul, 2001

NEURANKYLIDAE

Neurankylus Lambe, 1902

NILEIDAE

Symphysurus Goldfuss, 1843

NIMRAVIDAE

Dinictis Leidy, 1854

Dinictis felina (Leidy, 1854)

Dinictis paucidens Riggs, 1896

Dinictis squalidens (Cope, 1873)

Hoplophoneus Cope, 1874

Hoplophoneus latidens Thorpe, 1920

Hoplophoneus primaevus (Leidy & Owen, 1851)

NITIDULIDAE

Carpophilus restructus Scudder, 1900

Conotelus obscurus Erichson, 1843

Cychramites hirtus Wickham, 1913

Epanuraea ingenita Scudder, 1900

Epuraea Erichson, 1843

Epuraea planulata Erichson, 1843

Miophenolia cilipes Wickham, 1916

Nitidula prior Scudder, 1900

NODODELPHINULIDAE

Afrollonia

Afrollonia elderensis Squires, 2011

Agathodonta brooksi Allison, 1955

Antillocollonia bos Squires, 2011

Trochacanthus pacificus Squires & Saul, 2001

NODOSARIIDAE

Dentalina megalopolitana Reuss, 1855

Lenticulina stephensoni (Cushman, 1939)

NODOSAURIDAE

Edmontonia Sternberg, 1928

NOETIIDAE

Trinacria

Trinacria cor Popenoe, 1937

NOGODINIDAE

Detyopsis packardi Cockerell, 1921

Detyopsis scudderi Cockerell, 1921

Dilaropsis ornatus Cockerell, 1921

Hammapteryx ceryniiformis Cockerell, 1921

Hammapteryx lepidoides Cockerell, 1921

Hammapteryx reticulata Scudder, 1890

Hammapteryx tripunctata Cockerell & Sandhouse, 1921

Lithopsis delicata Cockerell, 1921

Lithopsis dubiosa Cockerell & Sandhouse, 1921

Lithopsis fimbriata Scudder, 1878

Lithopsis simillima Cockerell, 1921

Thaumastocladius simplex Cockerell & Sandhouse, 1921

NONIONIDAE

Nonionella austinana Cushman, 1933

NOSODENDRIDAE

Nosotetocus debilis Scudder, 1900

Nosotetocus marcovi Scudder, 1892

Nosotetocus vespertinus Scudder, 1900

NOSTOCERATIDAE

Anaklinoceras Stephenson, 1941

Anaklinoceras minutum Kennedy et al., 2000

Anaklinoceras reflexum Stephenson, 1941

Axonoceras Stephenson, 1941

Bostrychoceras otsukai (Yabe, 1904)

Cirroceras conradi (Morton, 1841)

Didymoceras Lai & Xu, 1987

Didymoceras aurarium Kennedy et al., 2000

Didymoceras cheyennense (Meek & Hayden, 1856)

Didymoceras draconis (Stephenson, 1941)

Didymoceras stevensoni (Whitfield, 1877)

Exiteloceras jenneyi (Whitfield, 1877)

Helicoceras stevensoni (Whitfield, 1877)

Hyphantoceras

Hyphantoceras Hyatt, 1900

Hyphantoceras ceratopse (Anderson, 1902)

Hyphantoceras venustum (Yabe, 1904)

Nostoceras

Nostoceras (Bostrychoceras)

Nostoceras (Bostrychoceras) brewerii (Gabb, 1864)

Nostoceras (Bostrychoceras) sanctaeanae Anderson, 1958

Nostoceras (Bostrychoceras) trabucoense Anderson, 1958

Nostoceras (Didymoceras) hornbyense (Whiteaves, 1903)

Nostoceras Hyatt, 1894

Nostoceras approximans (Conrad, 1855)

Nostoceras draconis (Stephenson, 1941)

Nostoceras hyatti (Stephenson, 1941)

Nostoceras larimerense Kennedy et al., 2000

Nostoceras monotuberculatum (Kennedy & Cobban, 1993)

Nostoceras obtusum Howarth, 1965

Nostoceras splendidum (Shumard, 1861)

Nostoceratidae indet.

Pseudoxybeloceras

Pseudoxybeloceras (Parasolenoceras) lineatum (Gabb, 1869)

NOTHARCTIDAE

Cantius Simons, 1962

Cantius abditus (Gingerich & Simons, 1977)

Cantius frugivorus (Cope, 1875)

Cantius mckennai (Gingerich & Simons, 1977)

Cantius ralstoni (Matthew, 1915)

Copelemur praetutus (Gazin, 1962)

Notharctus Leidy, 1870

Notharctus robinsoni Gingerich, 1979

Notharctus robustior (Leidy, 1872)

Pelycodus Cope, 1875

Pelycodus danielsae Froehlich & Lucas, 1991

Pelycodus frugivorus (Cope, 1875)

Pelycodus jarrovii (Cope, 1874)

Pelycodus ralstoni (Matthew, 1915)

Pelycodus trigonodus (Matthew, 1915)

Pelycodus tutus (Cope, 1877)

Smilodectes gracilis (Marsh, 1871)

Smilodectes mcgrewi Gingerich, 1979

NOTONECTIDAE

Notonecta Linnaeus, 1758

Notonecta emersoni Scudder, 1890

Notonecta unifasciata Gu√©rin-M√©neville, 1857

NUCULANIDAE

Jupitellia charon (Scudder, 1889)

Jupiteria Bellardi, 1875

Jupiteria subacuta (Blake, 1857)

Leda Schumacher, 1817

Lembulus

Lembulus striatula Forbes, 1846

Nuculana Link, 1807

Nuculanidae indet.

NUCULIDAE

Acila

Acila (Truncacila) demessa Finlay, 1927

Acila (Truncacila) grahami Squires & Saul, 2006

Acila (Truncacila) haidana Packard in Schenck, 1936

Acila (Truncacila) princeps Schenck, 1943

Acila (Truncacila) rosaria Squires & Saul, 2006

Acila H.Adams & A.Adams, 1858

Nucula

Nucula Lamarck, 1799

Nucula planimarginata Meek & Hayden, 1857

Nucula solitaria Gabb, 1869

Nuculidae indet.

NYCTITHERIIDAE

Nyctitherium Marsh, 1872

Nyctitherium velox Marsh, 1872

NYMPHAEACEAE

Nuphar Sm.

Nymphaea L.

Nymphaea leei Brown, 1962

Nymphaea pulchella Brown, 1962

Nymphaeites Sternberg, 1825

Paleonelumbo macroloba Knowlton, 1930

NYMPHALIDAE

Apanthesis leuce Scudder, 1889

Chlorippe wilmattae (Cockerell, 1907)

Doxocopa wilmattae (Cockerell, 1907)

Libytheana florissanti (Scudder, 1892)

Nymphalites obscurum Scudder, 1889

Nymphalites scudderi Beutenmüller & Cockerell, 1908

Prodryas persephone Scudder, 1878

Prolibythea florissanti (Scudder, 1892)

Prolibythea vagabunda (Scudder, 1889)

Vanessa amerindica Miller & Brown, 1989

NYSSACEAE

Nyssa Gronov. ex L.

OBOLELLIDAE

Obolella Billings, 1861

OBOLIDAE

Glossina Phillips, 1848

Lingula hurlbuti (Winchell, 1880)

Lingulella Salter, 1866

Obolus Eichwald, 1829

OCHOTONIDAE

Hesperolagomys Clark, Dawson & Wood, 1964

Ochotona Link, 1795

Ochotona princeps (Richardson, 1828)

Oreolagus Dice, 1917

Oreolagus nebrascensis McGrew, 1941

Oreolagus wilsoni Dawson, 1965

ODOBENIDAE

Palaeogale Meyer, 1846

Palaeogale lagophaga (Cope, 1873)

Palaeogale sectoria (Gervais, 1848)

ODONTASPIDIDAE

Carcharias Rafinesque, 1810

Carcharias saskatchewanensis (Case et al., 1990)

Carcharias tenuiplicatus (Cappetta & Case, 1975)

Eostriatolamia tenuiplicatus (Cappetta & Case, 1975)

Johnlongia parvidens (Cappetta, 1973)

Lamna cuspidata (Agassiz, 1843)

Odontaspis aculeatus (Cappetta & Case, 1975)

Pseudomegachasma comanchensis (Shimada, 2007)

ODONTOCERIDAE

Phenacopsyche larvalis Cockerell, 1927

Phenacopsyche vexans Cockerell, 1909

ODONTOPHORIDAE

Lophortyx Bonaparte, 1838

OEDEMERIDAE

Copidita miocenica Wickham, 1914

Paloedemera crassipes Wickham, 1914

OESTRIDAE

Cuterebra ascarides (Scudder, 1877)

Cuterebra bibosa (Scudder, 1877)

Dermatobia hydropica (Scudder, 1877)

Lithohypoderma ascarides (Scudder, 1877)

OGYGOPTYNGIDAE

Ogygoptynx wetmorei Rich & Bohaska, 1976

OISTODONTIDAE

Oistodus Pander, 1856

OLEACEAE

Fraxinus Tourn. ex L.

Osmanthus Lour.

OLIGONEURIIDAE

Siphlurites explanatus Cockerell, 1923

OLIVIDAE

Olividae indet.

ONCOCERATIDAE

Beloitoceras Foerste, 1924

Neumatoceras Foerste, 1935

OPHIACODONTIDAE

Eryops grandis (Marsh, 1878)

Ophiacodon Marsh, 1878

OPHIDERPETONTIDAE

Coloraderpeton brilli Vaughn, 1969

ORECTOLOBIDAE

Squatirhina americana (Estes, 1964)

OREOHELICIDAE

Oreohelix Pilsbry, 1904

Oreohelix strigosa depressa (Cockerell, 1890)

ORMOCERATIDAE

Ormoceras Stokes, 1838

ORNITHOMIMIDAE

Elaphrosaurus Janensch, 1920

Magnoavipes Lee, 1997

Magnoavipes caneeri Lockley et al., 2001

Ornithomimus velox Marsh, 1890

ORNITHOMIMIPODIDAE

Ornithomimipus angustus (Sternberg, 1926)

ORODONTIDAE

Orodus Agassiz, 1838

OROMERYCIDAE

Eotylopus Matthew, 1910

Oromeryx Marsh, 1894

ORTHOCERATIDAE

Kionoceras Hyatt, 1884

Michelinoceras Foerste, 1932

Orthoceras Breynius, 1832

Orthoceras Bruguière, 1789

ORTHONEMATIDAE

Murchisonia copei White, 1881

ORTHOTETIDAE

Derbya crassa (Meek & Hayden, 1858)

Derbyia Waagen, 1884

Orthotetes Fischer, 1829

OSMUNDACEAE

Osmunda L.

Osmunda greenlandica Brown, 1962

OSMYLIDAE

Lithosmylus columbianus (Cockerell, 1908)

Osmylidia requieta (Scudder, 1890)

OSTREIDAE

Crassostrea brewerii (Gabb, 1864)

Curvostrea baia Squires, 2017

Curvostrea crescentica (Packard, 1922)

Lopha Röding, 1798

Lopha marshii (Sowerby, 1814)

Oscillopha popenoei Squires, 2017

Ostrea

Ostrea Linnaeus, 1758

Ostrea beloiti Logan, 1899

Ostrea congesta Conrad, 1843

Ostrea glabra Jousseaume, 1925

Ostreidae indet.

Pseudoperna Logan, 1899

Rastellum

OVULIDAE

Eocypraea (Eocypraea) louellae Groves, 1990

OXALIDACEAE

Averrhoites affinis (Hickey, 1977)

OXYAENIDAE

Dipsalidictis transiens (Matthew & Granger, 1915)

OXYCARENIDAE

Procrophius communis Scudder, 1890

Procrophius costalis Scudder, 1890

Procrophius languens Scudder, 1890

OXYCLAENIDAE

Chriacus Cope, 1883

Chriacus gallinae Matthew & Granger, 1915

Oxyclaenus cuspidatus (Cope, 1884)

Oxyclaenus subbituminus Middleton & Dewar, 2004

Tricentes subtrigonus (Cope, 1881)

OXYTOMIDAE

Oxytoma Meek, 1864

PACHYCEPHALOSAURIDAE

Pachycephalosaurus Brown & Schlaikjer, 1943

PACHYDISCIDAE

Anapachydiscus

Canadoceras

Canadoceras mysticum Matsumoto, 1954

Canadoceras newberryanum (Meek, 1876)

Canadoceras yokoyamai (Jimbo, 1894)

Eopachydiscus marcianus Cobban, 1987

Eupachydiscus

Eupachydiscus haradai usheri Matsumoto, 1959

Eupachydiscus lamberti (Collignon, 1938)

Eupachydiscus teshioensis (Jimbo, 1894)

Menuites

Menuites Spath, 1922

Menuites arrialoorensis (Stoliczka, 1865)

Menuites peninsularis (Anderson & Hanna, 1935)

Menuites portlocki complexus (Halll & Meek, 1856)

Pachydiscidae indet.

Pachydiscus

Pachydiscus (Neodesmoceras) catarinae (Anderson & Hanna, 1928)

Pachydiscus Zittel, 1884

Pachydiscus arkansanus (Stephenson, 1941)

Pachydiscus buckhami Usher, 1952

Pachydiscus catarinae Anderson & Hanna, 1935

Pachydiscus neevesi Whiteaves, 1903

PACHYRHIZODONTIDAE

Elopopsis Heckel, 1856

PACHYTESTACEAE

Cyclopteris A.T.Brongniart, 1828

PALAEOMERYCIDAE

Aletomeryx Lull, 1920

Barbouromeryx Frick, 1937

Yumaceras figginsi (Frick, 1937)

PALAEONISCIDAE

Holoptychius giganteus (Agassiz, 1843)

Turseodus dolorensis Schaeffer, 1967

PALAEOSPONGILLIDAE

Eospongilla morrisonensis Dunagan, 1999

PALAEOTEXTULARIIDAE

Climacammina magna Roth & Skinner, 1930

Deckerella goessi Roth & Skinner, 1930

PALAEOTHERIIDAE

Antiacodon pygmaeus (Cope, 1872)

PALAEOTROCHIDAE

Floyda concentrica (Webster, 1905)

PAMPHILIIDAE

Atocus cockerelli (Rohwer, 1908)

Atocus defessus Scudder, 1892

Tapholyda Rasnitsyn, 1983

Tapholyda caplani (Cockerell, 1933)

PANORPIDAE

Holcorpa maculosa Scudder, 1878

Panorpa arctiiformis Cockerell, 1907

Panorpa rigida Scudder, 1890

PANTOLAMBDIDAE

Pantolambda cavirictus Cope, 1883

PANTOLESTIDAE

Palaeosinopa Matthew, 1901

Palaeosinopa didelphoides (Cope, 1881)

Palaeosinopa incerta Bown & Schankler, 1982

Pantolestes natans Matthew, 1909

PAPILIONIDAE

Praepapilio colorado Durden & Rose, 1978

Praepapilio gracilis Durden & Rose, 1978

PARABRONTOPODIDAE

Parabrontopodus mcintoshi Lockley et al., 1995

PARAHOPLITIDAE

Acanthoplites aegis Anderson, 1938

Acanthoplites spathi Anderson, 1938

Acanthoplites subbigoti Anderson, 1938

Parahoplites scharfi Anderson, 1938

PARAJULIDAE

Parajulus cockerelli Miner, 1926

PARALLELODONTIDAE

Grammatodon sulcatinus (Evans & Shumard, 1857)

Indogrammatodon

Indogrammatodon brewerianus (Gabb, 1864)

Indogrammatodon vancouverensis (Meek, 1858)

Indogrammatodon whiteavesi (Reinhart, 1937)

Nemodon

Nemodon Conrad, 1869

Parallelodon Meek & Worthen, 1866

Parallelodontidae indet.

Trigonarca

Trigonarca californica Packard, 1922

PARAMACELLODIDAE

Paramacellodus Hoffstetter, 1967

Saurillodon Estes, 1983

PARATTIDAE

Parattus evocatus Scudder, 1890

Parattus latitatus Scudder, 1890

Parattus oculatus Petrunkevitch, 1922

Parattus resurrectus Scudder, 1890

PAROMOMYIDAE

Ignacius Matthew & Granger, 1921

Ignacius frugivorus Matthew & Granger, 1921

Phenacolemur Matthew, 1915

Phenacolemur jepseni (Simpson, 1955)

Phenacolemur simonsi Bown & Rose, 1976

Pulverflumen Robinson & Ivy, 1994

Simpsonlemur jepseni (Simpson, 1955)

PECTINIDAE

Chlamys Röding, 1798

Lyropecten Conrad, 1862

Pecten (Propeamusium) cowperi Waring, 1917

Pectinidae indet.

Syncyclonema

Syncyclonema operculiformis (Gabb, 1864)

PEDICIIDAE

Dicranota cockerelli Brown, 1985

PEDIOMYIDAE

Leptalestes cooki (Clemens, 1966)

PENTASAUROPODIDAE

Pentasauropus Ellenberger, 1972

PENTATOMIDAE

Cacoschistus maceriatus Scudder, 1890

Mataeoschistus limigenus Scudder, 1890

Mecocephala Dallas, 1851

Pentatomites foliarum Scudder, 1890

Poliocoris amnesis Kirkaldy, 1910

Polioschistus lapidarius Scudder, 1890

Polioschistus ligatus Scudder, 1890

Poteschistus obnubilus Scudder, 1890

Teleocoris pothetias Kirkaldy, 1910

Teleoschistus placatus Scudder, 1890

Teleoschistus rigoratus Scudder, 1890

Thlimmoschistus gravidatus Scudder, 1890

Thnetoschistus revulsus Scudder, 1890

Tiroschistus indurescens Scudder, 1890

PERGIDAE

Phenacoperga coloradensis (Cockerell, 1907)

PERIPLOMATIDAE

Periploma

Periplomatidae indet.

PERIPTYCHIDAE

Alticonus gazini Eberle & Lillegraven, 1998

Ampliconus browni Eberle & Lillegraven, 1998

Anisonchus Cope, 1881

Anisonchus athelas Van Valen, 1978

Anisonchus dracus Gazin, 1939

Auraria urbana Middleton & Dewar, 2004

Carsioptychus Simpson, 1936

Conacodon delphae Eberle & Lillegraven, 1998

Conacodon entoconus (Cope, 1882)

Conacodon harbourae Eberle & Lillegraven, 1998

Conacodon matthewi Middleton & Dewar, 2004

Ectoconus ditrigonus (Cope, 1882)

Haploconus entoconus (Cope, 1882)

Hemithlaeus Cope, 1882

Oxyacodon archibaldi (Middleton & Dewar, 2004)

Oxyacodon priscilla Matthew, 1937

Periptychus coarctatus (Cope, 1883)

PERISSITYIDAE

Christitys delta Popenoe & Saul, 1987

Christitys medica Popenoe & Saul, 1987

Cydas crossi (Anderson, 1958)

Forsia

Forsia baia Saul, 1988

Forsia lorda Saul, 1988

Forsia popenoei Saul, 1988

Heteroterma

Murphitys

Murphitys corona Popenoe & Saul, 1987

Murphitys madonna Popenoe & Saul, 1987

Murphitys michaeli Popenoe & Saul, 1987

Nekewis seidersi Saul, 1988

Perissityidae indet.

Perissitys

Perissitys brevirostris (Gabb, 1864)

Perissitys colocara Popenoe & Saul, 1987

Perissitys cretacea (Cooper, 1896)

Perissitys elaphia Popenoe & Saul, 1987

Perissitys pacifica Popenoe & Saul, 1987

Perissitys stantoni (Stewart, 1927)

Pseudocymia aitha Popenoe & Saul, 1987

Pseudocymia aurora Popenoe & Saul, 1987

Pseudocymia cahalli Popenoe & Saul, 1987

Zinsitys

Zinsitys anassa Saul, 1988

Zinsitys edwilsoni Saul, 1988

Zinsitys kingii (Gabb, 1864)

Zinsitys meisteri Saul, 1988

PETALODONTIDAE

Petalodus Owen, 1840

Petalodus destructor Newberry & Worthen, 1870

PETASMARIIDAE

Porostictia Cooper, 1955

PHALACRIDAE

Stilbus pallidus Casey, 1890

PHALACROCORACIDAE

Phalacrocorax mediterraneus Shufeldt, 1915

PHALANGOPSIDAE

Eotrella mira Gorochov, 2012

Eozacla Gorochov, 2012

Eozacla arachnomorpha Gorochov, 2012

Eozacla problematica Gorochov, 2012

PHARIDAE

Leptosolen

Pharidae indet.

PHASIANIDAE

Centrocercus urophasianus (Bonaparte, 1827)

Dendragapus obscurus (Say, 1823)

Falcipennis Elliot, 1864

PHENACODONTIDAE

Copecion brachypternus (Cope, 1882)

Ectocion Cope, 1882

Ectocion major (Patterson & West, 1973)

Ectocion osbornianum (Cope, 1882)

Ectocion parvus Granger, 1915

Meniscotherium chamense Cope, 1874

Meniscotherium tapiacitis Cope, 1882

Meniscotherium tapiacitum Cope, 1882

Phenacodus Cope, 1873

Phenacodus brachypternus (Cope, 1882)

Phenacodus grangeri Simpson, 1935

Phenacodus intermedius Granger, 1915

Phenacodus magnus Thewissen, 1990

Phenacodus matthewi Simpson, 1935

Phenacodus primaevus Cope, 1873

Phenacodus trilobatus Cope, 1881

Phenacodus vortmani (Cope, 1880)

Tetraclaenodon Scott, 1892

Tetraclaenodon puercensis (Cope, 1881)

PHILANTHIDAE

Prophilanthus destructus Cockerell, 1906

PHOCIDAE

Drassonax Galbreath, 1953

Drassonax harpagops Galbreath, 1953

Parictis Scott, 1893

Parictis dakotensis (Clark, 1936)

PHOLADIDAE

Barnea (Anchomasa) saulae Kennedy, 1993

Martesia

Opertochasma Stephenson, 1953

Opertochasma clausa (Gabb, 1864)

Pholadidae indet.

PHOLADOMYIDAE

Arcomya undulata Gabb, 1869

Pachymya J.de C.Sowerby, 1826

Pholadomya

Pholadomyidae indet.

PHOLCIDAE

? incertus Bryant, 1940

PHOLIDOTOMIDAE

Bellifusus Stephenson, 1941

Volutoderma Gabb, 1877

PHORIDAE

Chaetopleurophora laminarum (Brues, 1908)

Phora cockerelli Brues, 1908

Spiniphora cockerelli (Brues, 1908)

PHRYGANEIDAE

Limnopsyche dispersa Scudder, 1890

Neuronia evanescens Scudder, 1890

Oligotricha evanescens (Scudder, 1890)

Phryganea labefacta Scudder, 1890

Phryganea miocenica Cockerell, 1913

Phryganea wickhami Cockerell, 1914

PHRYNOSOMATIDAE

Holbrookia Girard, 1851

Phrynosoma Wiegmann, 1828

Sceloporus undulatus (Bosc & Daudin, 1801)

PHYLLOCERATIDAE

Hypophylloceras

Hypophylloceras (Neophylloceras) hetonaiense (Matsumoto, 1942)

Hypophylloceras (Neophylloceras) ramosum (Meek, 1857)

Phyllopachyceras

PHYLLODONTIDAE

Paralbula casei Estes, 1969

PHYSIDAE

Physa Draparnaud, 1801

Physa longiuscula Meek & Hayden, 1856

PHYTOSAURIDAE

Apatopus Baird, 1957

Mystriosuchus Fraas, 1896

PIATNITZKYSAURIDAE

Marshosaurus Madsen, 1976

Marshosaurus bicentesimus Madsen, 1976

PICIDAE

Colaptes auratus (Linnaeus, 1758)

Picoides villosus (Linnaeus, 1766)

PICRODONTIDAE

Zanycteris honeyi Burger, 2013

Zanycteris paleocenus Matthew, 1917

PIERIDAE

Oligodonta florissantensis

Stolopsyche libytheoides Scudder, 1889

PIESMATIDAE

Piesma rotunda Scudder, 1890

PILOCERATIDAE

Piloceras hornei (Ulrich et al., 1943)

Utoceras Ulrich, Foerste & Miller, 1943

Utoceras gleneyriense Ulrich et al., 1943

PINACEAE

Abies Mill.

Picea A.Dietr.

Pinus L.

Pinus ponderosoides Axelrod, 1987

Pseudotsuga Carrière

Tsuga (Endl.) Carrière

PINNIDAE

Pinna

Pinna Linnaeus, 1758

Pinna brewerii Gabb, 1864

Pinna calamitoides Schumard, 1958

PIOPHILIDAE

Mycetaulus incretus Melander, 1949

PIPUNCULIDAE

Priabona florissantius (Carpenter & Hull, 1939)

PLACENTICERATIDAE

Haresiceras Reeside, 1927

Metaplacenticeras

Metaplacenticeras bowersi (Anderson, 1902)

Metaplacenticeras californicum (Anderson, 1902)

Metaplacenticeras pacificum (Smith, 1900)

Metaplacenticeras sanctaemonicae (Waring, 1917)

Placenticeras Meek, 1876

Placenticeras syrtale (Morton, 1834)

Placenticeras whitfieldi Hyatt, 1903

Placenticeratidae indet.

PLAESIOMYIDAE

Austinella Foerste, 1909

Plaesiomys Hall & Clarke, 1892

Plaesiomys proavitus (Winchell & Schuchert, 1892)

Plaesiomys subquadrata

PLANORBIDAE

Biomphalaria storchi (Russell, 1931)

Gyraulus Charpentier, 1837

Planorbis O.F.Müller, 1773

PLATANACEAE

Macginicarpa S.R.Manchester, 1986

Macginitiea J.A.Wolfe & W.Wehr, 1986

Platanites marginata Johnson, 1996

Platanus L.

Platanus guillelmae Goeppert

Platanus nobilis Newberry, 1868

Platanus raynoldsii Newberry

PLATYCERATIDAE

Platyceras Conrad, 1840

Strophostylus Hall, 1859

PLATYOGNATHIDAE

Platyognathus Young, 1944

PLATYPEZIDAE

Callomyia hypolitha Cockerell, 1909

Callomyia torporata Scudder, 1890

Eucallimyia fortis Cockerell, 1911

PLECTOCERATIDAE

Plectoceras Hyatt, 1884

PLECTODINIDAE

Plectodina Stauffer, 1935

PLECTORTHIDAE

Hebertella Hall & Clarke, 1892

Hebertella sinuata

Nanorthis hamburgensis (Walcott, 1884)

Platystrophia King, 1850

Plectorthis Hall & Clarke, 1892

Plectorthis plicatella (Hall, 1847)

PLESIADAPIDAE

Chiromyoides Stehlin, 1916

Chiromyoides caesor Gingerich, 1973

Chiromyoides potior Gingerich, 1975

Nannodectes Gingerich, 1975

Nannodectes gazini Gingerich, 1975

Nannodectes gidleyi (Matthew, 1917)

Nannodectes simpsoni (Gazin, 1956)

Nothodectes gidleyi (Matthew, 1917)

Plesiadapis Gervais, 1877

Plesiadapis dubius (Matthew, 1915)

Plesiadapis fodinatus Jepsen, 1930

Plesiadapis gidleyi (Matthew, 1917)

PLESIOSORICIDAE

Plesiosorex Pomel, 1848

Plesiosorex coloradensis Wilson, 1960

PLEUROMYIDAE

Pleuromya

Pleuromya papyracea Gabb, 1869

PLEUROSTERNIDAE

Dinochelys Gaffney, 1979

Dinochelys whitei Gaffney, 1979

Glyptops Marsh, 1890

Glyptops plicatulus (Cope, 1877)

Probaena Hay, 1903

PLICATULIDAE

Plicatula

Plicatula modjeskaensis Squires & Saul, 1997

Plicatula variata Gabb, 1864

PLIOSAURIDAE

Brachauchenius Williston, 1903

POACEAE

Graminophyllum Conwentz, 1886

Phragmites Adans.

Stipa laminarum Cockerell

Stipidium M.K.Elias, 1942

Stipidium commune M.K.Elias

Stipidium elongatum M.K.Elias

Stipidium variegatum M.K.Elias

PODICIPEDIDAE

Podiceps Latham, 1787

Podilymbus podiceps (Linnaeus, 1758)

PODOCARPACEAE

Mesembrioxylon A.C.Seward, 1919

POLACANTHIDAE

Mymoorapelta maysi Kirkland & Carpenter, 1994

POLEMONIACEAE

Gilia cana subsp. speciformis

Gilia scopulorum

POLYCENTROPODIDAE

Derobrochus abstractus Scudder, 1890

Derobrochus caenulentus Scudder, 1890

Derobrochus commoratus Scudder, 1890

Derobrochus craterae Scudder, 1890

Derobrochus frigescens Scudder, 1885

Derobrochus marcidus Scudder, 1890

Derobrochus typharum Cockerell, 1910

Leptobrochus luteus Scudder, 1890

Litobrochus Scudder, 1890

Litobrochus externatus Scudder, 1890

Mesobrochus imbecillus Scudder, 1890

Mesobrochus lethaeus Scudder, 1890

Paladicella eruptionis Scudder, 1890

Polycentropus aeternus (Scudder, 1890)

Polycentropus eviratus Scudder, 1890

Polycentropus exesus Scudder, 1890

POLYCOTYLIDAE

Trinacromerum Cragin, 1888

POLYGONACEAE

Polygonum L.

POLYPTERIDAE

Protosphyraena Leidy, 1857

POMPILIDAE

Agenia cockerellae (Rohwer, 1909)

Agenia saxigena (Cockerell, 1908)

Ceropalites infelix Cockerell, 1906

Cryptocheilus florissantensis (Cockerell, 1906)

Cryptocheilus hypogaeus Cockerell, 1914

Cryptocheilus laminarum (Rohwer, 1909)

Cryptocheilus scudderi (Cockerell, 1906)

Cryptocheilus senex (Rohwer, 1909)

Pepsis avitula Cockerell, 1941

PONTEDERIACEAE

Pontederites Knowlton, 1922

POROBLATTINIDAE

Epheboblatta attenuata (Scudder, 1885)

Nearoblatta rotundata (Scudder, 1885)

Poroblattina Scudder, 1885

Poroblattina arcuata Scudder, 1885

Poroblattina lakesii Scudder, 1885

Poroblattina parvula (Goldenberg, 1869)

Poroblattina rotundata (Scudder, 1885)

Scutinoblattina brongniarti Scudder, 1885

Scutinoblattina intermedia (Scudder, 1885)

Scutinoblattina recta (Scudder, 1885)

POROMYIDAE

Liopistha

Liopistha anaana (Anderson, 1902)

Liopistha hardingensis (Packard, 1922)

POROSTROMATACEAE

Girvanella H.A.Nicholson & R.Etheridge, 1878

POTAMIDIDAE

Potamididae indet.

Terebralia juliana Dailey & Popenoe, 1966

Tympanotonos (Exechocirsus) totiumsanctorum (White, 1885)

POTAMOGETONACEAE

Potamogeton L.

PRISMATOOLITHIDAE

Preprismatoolithus coloradensis (Hirsch, 1994)

PROCERITHIIDAE

Cimolithium eleanorae Allison, 1955

Cryptaulax

Nudivagus califus Squires & Saul, 2001

Procerithiidae indet.

Uchauxia beali Allison, 1955

PROCTOTRUPIDAE

Mischoserphus bruesi Kolyada, 2009

Nothoserphus rasnitsyni Kolyada, 2009

Oxyserphus exhumatus (Brues, 1910)

Paramesius defectus Brues, 1910

Proctotrupes exhumatus (Brues, 1910)

Proctotrypes exhumatus Brues, 1910

PRODUCTELLIDAE

Desmoinesia Hoare, 1960

Hystriculina Muir-Wood & Cooper, 1960

Marginifera wabashensis (Norwood & Pratten, 1855)

Productella Hall, 1868

Productella coloradensis Kindle, 1909

Productella coloradensis plicatus (Kindle, 1909)

Productella depressa Haug, 1905

Productus muricatus (Norwood & Pratten, 1855)

Sandia Sutherland & Harlow, 1973

PRODUCTIDAE

Antiquatonia Miloradovich, 1945

Marginicinctus Sutton, 1938

Productus Sowerby, 1814

Productus cora (d'Orbigny, 1842)

PROETIDAE

Paladin Weller, 1936

Proetus Steininger, 1831

PROPEAMUSSIIDAE

Propeamussium (Parvamussium) holzense Sundberg, 1989

Propeamussium (Parvamussium) robinsonense Sundberg, 1989

Propeamussium de Gregorio, 1884

PROPHALANGOPSIDAE

Palaeorehnia maculata (Scudder, 1890)

Palaeorehnia maculata Cockerell, 1908

PROSCALOPIDAE

Arctoryctes Matthew, 1907

Arctoryctes galbreathi (Reed, 1956)

Cryptoryctes Reed, 1954

Mesoscalops Reed, 1960

Oligoscalops Reed, 1961

Oligoscalops galbreathi (Reed, 1956)

Oligoscalops whitmanensis Reed, 1961

Proscalops Matthew, 1901

Proscalops miocaenus Matthew, 1901

Proscalops secundus Matthew, 1909

PROTEACEAE

Dryandroides Unger, 1850

Lomatia R.Br.

Proteoides O.Heer, 1867

PROTEOCERATIDAE

Ephippiorthoceras Foerste, 1924

PROTOCERATIDAE

Leptotragulus Scott & Osborn, 1887

Poabromylus Peterson, 1932

Pseudoprotoceras Cook, 1934

Pseudoprotoceras longinaris Cook, 1934

PROTOPANDERODONTIDAE

Polycostatus Ji & Barnes, 1994

Variabiloconus bassleri (Furnish, 1938)

Variabiloconus transiapeticus Löfgren et al., 1999

PROTOROTHYRIDIDAE

Paleothyris Carroll, 1969

PROTOSTEGIDAE

Archelon ischyros Wieland, 1896

PSEPHENIDAE

Ectopria laticollis Wickham, 1913

Psephenus lutulentus Scudder, 1900

PSEUDOMELANIIDAE

Liocium

Liocium marcidulum (White, 1889)

Liocium punctatum Gabb, 1869

Paosia californica (Gabb, 1864)

Paosia colusaensis (Anderson, 1958)

Paosia ursula (Anderson, 1958)

Pseudomelaniidae indet.

PSEUDONERINEIDAE

Pseudonerinea de Loriol, 1890

PSEUDORTHOCERATIDAE

Macroloxoceras Flower, 1957

Mooreoceras Miller, Dunbar & Condra, 1933

Orthoceras crotalum (Hall, 1879)

Pseudorthoceras Girty, 1911

Spyroceras Hyatt, 1884

PSEUDOSTAFFELLIDAE

Staffella keytei Roth & Skinner, 1930

PSEUDOUDOTEACEAE

Garwoodia Alan Wood, 1941

PSILOTACEAE

Tmesipteris Sw.

PSYCHOMYIIDAE

Tinodes paludigenus Scudder, 1890

PTERIDACEAE

Acrostichum L.

Diplothmema D.Stur, 1877

Gymnogramma heyderi Lauche

Pteris L.

Pteris erosa Lesquereux, 1878

Pteris subsimplex Ching

PTERIIDAE

Avicula Bruguière, 1792

Phelopteria Stephenson, 1953

Pteria

Pteria Scopoli, 1777

Pteria fibrosa (Reeve, 1857)

Pteria lochi Squires & Saul in Squires, 2014

Pteria pellucida (Gabb, 1864)

Pteriidae indet.

PTERINEIDAE

Leptodesma Hall, 1883

Leptodesma eolus Kindle, 1909

PTEROMALIDAE

Bruesisca submersus (Brues, 1910)

Ormyrodes petrefactus Brues, 1910

Pteromalus exanimis Brues, 1910

PTERYGOMETOPIDAE

Isalaux canyonensis Frederickson & Pollack, 1952

PTILODONTIDAE

Ectypodus Matthew & Granger, 1921

Ectypodus childei (Kühne, 1969)

Ectypodus hazeni (Jepsen, 1940)

Ectypodus musculus Matthew & Granger, 1921

Ectypodus tardus (Jepsen, 1940)

Kimbetohia mziae Middleton & Dewar, 2004

Mesodma Jepsen, 1940

Mesodma ambigua Jepsen, 1940

Mesodma formosa (Marsh, 1889)

Mesodma hensleighi Lillegraven, 1969

Parectypodus lunatus Krause, 1982

Prochetodon Jepsen, 1940

Ptilodus Cope, 1881

Ptilodus kummae Krause, 1977

Xyronomys robinsoni Middleton & Dewar, 2004

PTINIDAE

Eucnemis antiquatus Wickham, 1914

Gastrallanobium subconfusum Wickham, 1914

PTYCHATRACTIDAE

Exilia stechesonae Squires, 2017 in Squires & Stecheson, 2017

Paleofusimitra

PTYCHODONTIDAE

Ptychodus Agassiz, 1837

Ptychodus anonymus Williston, 1900

Ptychodus decurrens Agassiz, 1838

Ptychodus mortoni (Mantell, 1836)

Ptychodus occidentalis Leidy, 1868

Ptychodus polygyrus Agassiz, 1835

Ptychodus rhombodus Underwood & Cumbaa, 2010

Ptychodus whipplei Marcou, 1858

PTYCHOPTERIDAE

Ptychoptera miocenica (Cockerell, 1910)

PTYCTODONTIDAE

Ptyctodus Pander, 1858

PUGNACIDAE

Pugnax Hall & Clarke, 1894

Pugnoides Weller, 1910

PULCHELLIIDAE

Pulchellia popenoei Anderson, 1938

PUNCTOSPIRIFERIDAE

Punctospirifer North, 1920

PYCNODONTES

Micropycnodon kansasensis (Hibbard & Graffham, 1941)

Nursallia Blot, 1987

Palaeobalistum Blainville, 1818

PYRAMIDELLIDAE

Creonella triplicata Wade, 1917

Odostomia santana Packard, 1922

Pyramidellidae indet.

Pyrgiscus laminatus (Carpenter, 1864)

PYROCHROIDAE

Lithomacratria mirabilis Wickham, 1914

PYROPSIDAE

Pyropsidae indet.

Pyropsis

Pyropsis aldersoni Squires, 2011

Pyropsis californica Squires, 2011

Pyropsis louellae Squires, 2011

PYRRHOCORIDAE

Dysdercus cinctus Scudder, 1890

Dysdercus unicolor Scudder, 1890

PYTHIDAE

Pythoceropsis singularis Wickham, 1913

RADIOLITIDAE

Radiolitidae indet.

RALLIDAE

Fulica americana Gmelin, 1789

Palaeocrex fax Wetmore, 1927

Porzana Vieillot, 1816

Rallus limicola Vieillot, 1819

RANIDAE

Rana Linnaeus, 1758

Rana catesbeiana Shaw, 1802

RAPHIDIIDAE

Agulla protomaculata Engel, 2011

Archiraphidia somnolenta (Scudder, 1890)

Archiraphidia tranquilla (Scudder, 1890)

Archiraphidia tumulata (Scudder, 1890)

Florissantoraphidia funerata (Engel, 2003)

Florissantoraphidia mortua (Rohwer, 1909)

Megaraphidia Cockerell, 1907

Megaraphidia elegans Cockerell, 1907

Megaraphidia exhumata (Cockerell, 1909)

Raphidia creedei Carpenter, 1936

RAPHITOMIDAE

Clinura anassa Murphy & Rodda, 1960

RECEPTACULITACEAE

Receptaculites Deshayes, 1828

REDFIELDIIDAE

Cionichthys dunklei Schaeffer, 1967

Synorichthys stewarti Schaeffer, 1967

REDUVIIDAE

Poliosphageus psychrus Kirkaldy, 1910

Tagalodes inermis Scudder, 1890

REITHROPARAMYIDAE

Reithroparamys debequensis Wood, 1962

REOPHACIDAE

Reophax constrictus (Reuss, 1874)

RETICULARIIDAE

Reticularia M'Coy, 1844

RETUSIDAE

Retusidae indet.

Sulcoretusa J.Q.Burch, 1945

RETZIELLIDAE

Hustedia Hall & Clarke, 1894

RETZIIDAE

Eumetria Hall, 1863

RHABDAMMINIDAE

Bathysiphon brosgei Tappan, 1957

RHABDOMESIDAE

Streblotrypa nicklesi Vine, 1885

RHAGIONIDAE

Symphoromyia subtrita Cockerell, 1911

Xylomyia moratula Cockerell, 1914

RHAMNACEAE

Berchemia Neck.

Berchemiopsis paucidentata MacGinitie, 1969

Colubrina Rich. ex Brongn.

Condalia mohavensis Axelrod, 1939

Paliurus colombi Heer

Rhamnites Forbes, 1851

Rhamnus L.

Rhamnus elegans Kunth

Rhamnus oleifolia Hook.

Rhamnus rectinervis Heer

Rhamnus revoluta Rose

Rhamnus salicifolia hort.

Rhamnus salicifolia hort. ex Lavallée, 1877

Ziziphus Mill.

Zizyphus Linnaeus

RHINEURIDAE

Ototriton Loomis, 1919

Rhineura Cope, 1861

Rhineura hatcherii Baur, 1893

RHINOBATIDAE

Protoplatyrhina renae Case, 1978

Rhinobatos Linck, 1790

Rhinobatos incertus Cappetta, 1973

RHINOCEROTIDAE

Aphelops Owen, 1845

Aphelops malacorhinus Cope, 1878

Aphelops megalodus (Cope, 1873)

Aphelops mutilus Matthew, 1924

Brachypotherium americanum (Yatkola & Tanner, 1979)

Caenopus Cope, 1880

Caenopus copei (Osborn, 1898)

Caenopus occidentalis (Leidy, 1850)

Caenopus platycephalus nanolophus Troxell, 1921

Diceratherium Marsh, 1875

Diceratherium tridactylum (Osborn, 1893)

Menoceras barbouri (Wood, 1964)

Penetrigonias dakotensis (Peterson, 1920)

Peraceras profectum (Matthew, 1899)

Peraceras superciliosus (Cope, 1880)

Rhinoceros Linnaeus, 1758

Subhyracodon Wood, 1927

Subhyracodon mitis (Cope, 1875)

Subhyracodon occidentalis (Leidy, 1850)

Teleoceras Hatcher, 1894

Teleoceras americanum (Yatkola & Tanner, 1979)

Teleoceras hicksi Cook, 1927

Teleoceras medicornutum Osborn, 1904

Toxotherium Wood, 1961

Toxotherium hunteri Wood, 1961

Trigonias Lucas, 1900

Trigonias osborni Lucas, 1900

RHINOTERMITIDAE

Eutermes fossarum (Scudder, 1883)

Eutermes meadii Scudder, 1883

Reticulitermes creedei Snyder, 1938

Reticulitermes fossarum (Scudder, 1883)

Reticulitermes laurae Pierce, 1958

Reticulitermes tibialis Banks, 1920

RHIPIDOMELLIDAE

Rhipidomella Oehlert, 1890

RHODOCRINITIDAE

Archaeocrinus Wachsmuth & Springer, 1881

RHODOMELACEAE

Vertebrata S.F.Gray, 1821

RHOMBOPORIDAE

Rhombopora Meek, 1872

Rhombopora lepidodendroides Meek, 1872

RHOPALIDAE

Corizus abditivus Scudder, 1890

Corizus celatus Scudder, 1890

Corizus guttatus Signoret, 1859

Corizus somnurnus Scudder, 1890

Jadera Stål, 1862

Jadera interita Cockerell, 1909

RHYNCHONELLIDAE

Rhynchonella gnathophora (Meek, 1864)

RHYNCHOSAUROIDAE

Rhynchosauroides Maidwell, 1911

RHYNCHOSPIRINIDAE

Rhynchospirina Schuchert & Le Vene, 1929

RHYNCHOTREMATIDAE

Hiscobeccus capax (Conrad, 1842)

Hypsiptycha Wang, 1949

Lepidocyclus rectangularis Wang, 1949

Rhynchotrema Hall, 1860

RHYPAROCHROMIDAE

Catopamera augheyi Scudder, 1890

Catopamera bradleyi Scudder, 1890

Cophocoris tenebricosus Scudder, 1890

Coptochromus manium Scudder, 1890

Cryptochromus letatus Scudder, 1890

Ctereacoris primigenus Scudder, 1890

Eucorites serescens Scudder, 1890

Exitelus exsanguis

Ligyrocoris exsuctus Scudder, 1890

Linnaea abolita Scudder, 1890

Linnaea carcerata Scudder, 1890

Linnaea evoluta Scudder, 1890

Linnaea gravida Scudder, 1890

Linnaea holmesii Scudder, 1890

Linnaea putnami Scudder, 1890

Lithochromus extraneus Scudder, 1890

Lithochromus gardneri Scudder, 1890

Lithochromus mortuarius Scudder, 1890

Lithochromus obstrictus Scudder, 1890

Lithocoris evulsus Scudder, 1890

Lyctocoris terreus (Scudder, 1878)

Necrochromus cockerelli Scudder, 1890

Necrochromus labatus Scudder, 1890

Necrochromus saxificus Scudder, 1890

Phrudopamera chittendeni Scudder, 1890

Phrudopamera wilsoni Scudder, 1890

Procoris bechleri Scudder, 1890

Procoris sanctaejohannis Scudder, 1890

Prolygaeus inundatus Scudder, 1890

Rhyparochromus Hahn, 1826

Rhyparochromus verrilli Scudder, 1890

Stenopamera subterrea Scudder, 1890

Stenopamera tenebrosa Scudder, 1890

Tiromerus tabifluus Scudder, 1890

Tiromerus torpefactus Scudder, 1890

Trapezonotus exterminatus Scudder, 1890

Trapezonotus stygialis Scudder, 1890

RICHARDIIDAE

Pachysomites inermis Cockerell, 1916

Urortalis caudatus Cockerell, 1917

RINGICULIDAE

Biplica

Biplica heteroplicata Popenoe, 1957

Biplica isoplicata Popenoe, 1957

Biplica michaeli Popenoe, 1957

Biplica miniplicata Popenoe, 1957

Biplica obliqua (Gabb, 1864)

Oligoptycha Meek, 1876

Ringicula

Ringicula (Ringiculopsis) hesperiae Squires & Saul, 2001

Ringiculidae indet.

RIODINIDAE

Riodinella nympha Durden & Rose, 1978

RIPIPHORIDAE

Metoecus Gerstaecker, 1855

Metoecus geikiei (Scudder, 1890)

ROSACEAE

Amelanchier Medik.

Amelanchier scudderi Cockerell

Cercocarpus Kunth

Chamaebatiaria creedensis R.W.Br.

Crataegus L.

Crataegus coreana H.Lév.

Crataegus nupera Ashe

Fallugia Endl.

Holodiscus (K.Koch) Maxim.

Maloidoxylon N.Grambast-Fessard, 1966

Malus Mill.

Peraphyllum Nutt. ex Torr. & A.Gray

Physocarpus (Cambess.) Maxim.

Potentilla L.

Prunus L.

Prunus coloradensis Brown, 1962

Prunus gracilis Engelm. & Gray

Pyrus L.

Rosa L.

Rosa abyssinica

Rosa hilariae Juz.

Rubus L.

Rubus riograndis L.H.Bailey

Sorbus L.

Vauquelinia Corrêa ex Humb. & Bonpl.

RUGOGLOBIGERINIDAE

Archaeoglobigerina blowi Pessagno, 1967

Rugoglobigerina Brönnimann, 1952

RUGOSOCHONETIDAE

Mesolobus Dunbar & Condra, 1932

RUTACEAE

Ptelea L.

RUTELIDAE

Anomala exterranea Wickham, 1914

Anomala scudderi Wickham, 1914

Pelidnota MacLeay, 1819

RZEHAKINIDAE

Spirolocammina Earland, 1934

SACCAMMINIDAE

Saccammina alexanderi (Loeblich & Tappan, 1950)

Saccammina lathrami Tappan, 1960

SALICACEAE

Credneria Zenker, 1833

Populites Göppert, 1829

Populus L.

Populus crispa hort. ex Dippel

Populus lesquereuxi Cockerell, 1906

Populus pliotremuloides Axelrod, 1937

Populus speciosa Ward

Populus tidwellii Manchester et al., 2006

Pseudosalix L.D.Boucher, S.R.Manchester & W.S.Judd, 2003

Salix L.

Salix angusta Browne

Salix elongata Web

Salix felxuosa Newberry, 1868

Salix proteaeafolia Lesquereux, 1885

Salix varians Heer

Salix ×cremsensis A.Kern.

SALVINIACEAE

Salvinia Ség.

SANGUINOLITIDAE

Alula Girty, 1912

Alula gilberti (White, 1883)

SAPINDACEAE

Acer L.

Acer persicum Pojark.

Acer subintegrum Pojark.

Allophyllus Gleditsch, 1764

Allophylus L.

Athyana (Griseb.) Radlk.

Cardiospermum L.

Dipteronia Oliv.

Dodonaea Mill.

Koelreuteria Laxm.

Sapindopsis Fontaine, 1889

Sapindus L.

Sapindus angustifolius Wall. ex Voigt

Sapindus grandifoliolus Ward, 1887

Sapindus morrisoni Berry, 1914

Thouinia Poit.

Thouinia striata Radlk.

SCAPHANDRIDAE

Ellipsoscapha Stephenson, 1941

Scaphandridae indet.

SCAPHERPETONTIDAE

Lisserpeton bairdi Estes, 1965

Scapherpeton tectum Cope, 1876

SCAPHIOPODIDAE

Spea bombifrons (Cope, 1863)

SCAPHITIDAE

Clioscaphites Cobban, 1951

Clioscaphites saxitonianus (McLearn, 1929)

Clioscaphites vermiformis (Meek & Hayden, 1862)

Discoscaphites Meek, 1870

Discoscaphites abyssinus (Morton, 1841)

Discoscaphites conradi (Morton, 1834)

Hoploscaphites Nowak, 1911

Hoploscaphites birkelundae Landman & Waage, 1993

Hoploscaphites landesi Riccardi, 1983

Hoploscaphites nicolletii (Morton, 1842)

Jeletzkytes Riccardi, 1983

Jeletzkytes brevis (Meek, 1876)

Jeletzkytes dorfi Landman & Waage, 1993

Jeletzkytes nodosus (Owen, 1852)

Rhaeboceras Buckman, 1899

Rhaeboceras coloradoense Cobban, 1987

Rhaeboceras halli (Meek & Hayden, 1856)

Rhaeboceras subglobosum (Whiteaves, 1885)

Scaphites

Scaphites Parkinson, 1811

Scaphites binneyi Reeside, 1927

Scaphites condoni condoni Anderson, 1902

Scaphites depressus Reeside, 1927

Scaphites ferronensis Cobban, 1951

Scaphites gillisi Anderson, 1902

Scaphites hippocrepis (DeKay, 1828)

Scaphites nodosus (Owen, 1852)

Scaphites roguensis Anderson, 1902

Scaphites ventricosus Meek & Hayden, 1862

Scaphitidae indet.

Trachyscaphites spiniger (Schlüter, 1872)

Worthoceras Adkins, 1928

Yezoites

Yezoites puerculus (Jimbo, 1894)

SCARABAEIDAE

Aphodius Fabricius, 1833

Aphodius Illiger, 1798

Canthon Hoffmannsegg, 1817

Canthon praticola LeConte, 1859

Canthon simplex LeConte, 1857

Copris Geoffroy, 1762

Copris pristinus Pierce, 1946

Deltochilum Eschscholtz, 1822

Onthophagus Latreille, 1802

Phanaeus labreae (Pierce, 1946)

SCATHOPHAGIDAE

Cordilura exhumata Cockerell, 1916

SCATOPSIDAE

Reichertella fasciata Melander, 1949

SCELIONIDAE

Palaeoteleia oxyura Cockerell, 1915

SCHIZODIDAE

Schizodus W.King, 1845

Schizodus acuminatus Hoare et al., 1978

SCHIZOPHORIIDAE

Schizophoria King, 1850

Schizophoria australis (Kindle, 1909)

Schizophoria striatula Girty, 1900

Schizophoria striatula australis (Kindle, 1909)

SCHUCHERTELLIDAE

Schuchertella Girty, 1904

SCINCIDAE

Contogenys Estes, 1969

Palaeoscincosaurus middletoni Sullivan & Lucas, 1996

SCIOMYZIDAE

Sciomyza Fallén, 1820

Sciomyza disjecta Scudder, 1878

Sciomyza florissantensis Cockerell, 1909

Sciomyza manca Scudder, 1878

SCIRTIDAE

Cyphon Paykull, 1799

Miocyphon punctulatus Wickham, 1914

SCIURAVIDAE

Knightomys depressus (Loomis, 1907)

Knightomys huerfanensis (Wood, 1962)

Paramys huerfanensis (Wood, 1962)

Prosciurus jeffersoni (Douglass, 1902)

Sciuravus Marsh, 1871

Tillomys senex Marsh, 1872

SCIURIDAE

Cedromus Wilson, 1949

Cedromus wardi Wilson, 1949

Citellus Oken, 1816

Citellus richardsonii (Sabine, 1822)

Cynomys Rafinesque, 1817

Cynomys gunnisoni (Baird, 1855)

Cynomys leucurus Merriam, 1890

Cynomys ludovicianus (Ord, 1815)

Cynomys niobrarius Hay, 1921

Cynomys spenceri Goodwin, 1995

Eutamias minimus (Bachman, 1839)

Marmota Blumenbach, 1779

Marmota Frisch, 1775

Marmota flaviventris (Audubon & Bachman, 1841)

Miospermophilus bryanti (Wilson, 1960)

Otospermophilus Brandt, 1844

Protosciurus Black, 1963

Protospermophilus Gazin, 1930

Protospermophilus kelloggi Black, 1963

Sciurus Linnaeus, 1758

Spermophilus F.Cuvier, 1825

Spermophilus elegans Kennicott, 1863

Spermophilus lateralis (Say, 1823)

Spermophilus richardsonii (Sabine, 1822)

Spermophilus tridecemlineatus (Mitchill, 1821)

Tamias Illiger, 1811

Tamias minimus Bachman, 1839

Tamiasciurus Trouessart, 1880

Tamiasciurus hudsonicus (Erxleben, 1777)

SCLERORHYNCHIDAE

Ischyrhiza avonicola (Estes, 1964)

Ptychotrygon Jaekel, 1894

Ptychotrygon triangularis (Reuss, 1845)

Ptychotrygon vermiculata Cappetta, 1975

SCLEROSOMATIDAE

Amauropilio atavus (Cockerell, 1907)

Amauropilio lacoei (Petrunkevitch, 1922)

Phalangium lacoei (Petrunkevitch, 1922)

SCOLIIDAE

Floriscolia relicta Rasnitsyn, 1993

SCOLOPACIDAE

Numenius Brisson, 1760

Phalaropus Brisson, 1760

SCYTALOCRINIDAE

Gilmocrinus Lauden, 1933

Hypselocrinus Kirk, 1940

SEGESTRIIDAE

Segestria scudderi Petrunkevitch, 1922

Segestria secessa Scudder, 1890

SELAGINELLACEAE

Selaginella P.Beauv.

Selaginella berthoudii Lesquereux, 1878

SEMICOSCINIIDAE

Anastomopora perundata (Hall, 1883)

SEMIONOTIDAE

Hemicalypterus Schaeffer, 1967

Semionotus Agassiz, 1832

SENTOSIIDAE

Laminatia laminata (Kindle, 1909)

Productella laminatus (Kindle, 1909)

SEPTABRUNSIINIDAE

Septaglomospiranella dainae Lipina, 1955

SEPTOPORIDAE

Septopora Prout, 1859

SERPENTES

Serpentes

SERPULIDAE

Hamulus

Rotularia

Serpulidae indet.

Spirorbis Daudin, 1800

SEYMOURIIDAE

Seymouria Broili, 1904

SHARTEGOSUCHIDAE

Fruitachampsa Clark, 2011

Fruitachampsa callisoni Clark, 2011

SHIRAKIELLIDAE

Nixonella Lochman, 1944

SIGILLARIACEAE

Sigillaria A.T.Brongniart, 1822

Syringodendron Sternberg, 1820

SILPHIDAE

Heterosilpha Portevin, 1926

Heterosilpha ramosa (Say, 1823)

Necrodes primaevus Beutenmüller & Cockerell, 1908

Nicrophorus Fabricius, 1775

Nicrophorus guttula (Motschulsky, 1845)

Nicrophorus marginatus (Fabricius, 1801)

Nicrophorus nigrita (Mannerheim, 1843)

Silpha beutenmuelleri Wickham, 1914

Silpha colorata Scudder, 1900

Thanatophilus coloradensis (Wickham, 1902)

Thanatophilus lapponicus (Herbst, 1793)

SIMAROUBACEAE

Ailanthus Desf.

Ailanthus lesquereuxi Cockerell, 1927

SIMIMYIDAE

Simimys Wilson, 1935

SINUOPEIDAE

Colpites Knight, 1936

SIPHONARIIDAE

Anisomyon Meek & Hayden, 1860

Anisomyon centrale Meek, 1871

Anisomyon shumardi Meek & Hayden, 1860

SIPHONICHNIDAE

Skolithos linearis Haldeman, 1840

SIPHONOTRETIDAE

Schizambon Walcott, 1884

SITTIDAE

Sitta Linnaeus, 1758

SMILACACEAE

Smilax L.

Smilax labidurommae Cockerell, 1914

SOLARIELLIDAE

Solariella

SOLECURTIDAE

Solecurtidae indet.

SOLENIDAE

Solen Linnaeus, 1758

Solenidae indet.

SOLENISCIDAE

Soleniscus Meek & Worthen, 1861

SORICIDAE

Angustidens vireti (Wilson, 1960)

Domnina Cope, 1873

Domnina compressa (Galbreath, 1953)

Domnina gradata Cope, 1873

Domnina thompsoni Simpson, 1941

Heterosorex Gaillard, 1916

Heterosorex roperi (Wilson, 1960)

Limnoecus compressus (Wilson, 1960)

Pseudotrimylus Gureev, 1971

Pseudotrimylus compressus (Galbreath, 1953)

Pseudotrimylus roperi (Wilson, 1960)

Sorex Linnaeus, 1758

Sorex arcticus Kerr, 1792

Sorex compressus (Wilson, 1960)

Sorex hoyi Baird, 1857

Sorex vireti (Wilson, 1960)

Wilsonosorex Martin, 1978

Wilsonosorex conulatus Martin, 1978

SOWERBYELLIDAE

Sowerbyella rugosa (Meek, 1873)

SPATANGIDAE

Spatangidae indet.

SPHAERIIDAE

Sphaerium planum Meek & Hayden, 1860

SPHAEROCERIDAE

Heteroptera Macquart, 1835

Themira saxifica Melander, 1949

SPHECIDAE

Ammophila antiquella Cockerell, 1906

Chalybion mortuum Cockerell, 1907

Hoplisidea kohliana Cockerell, 1906

Hoplisidia kohliana Cockerell, 1906

SPHENODISCIDAE

Coahuilites Böse, 1928

Sphenodiscus Meek, 1871

SPHENODONTIDAE

Opisthias Gilmore, 1909

SPHENOPHYLLACEAE

Sphenophyllum Koenig, 1825

SPILOBLATTINIDAE

Anthracoblattina triassica Scudder, 1890

Dicladoblatta marginata (Scudder, 1885)

Spiloblattina gardineri Scudder, 1885

Spiloblattina weissigensis (Geinitz, 1873)

Spiloblattinidae gardinerana Handlirsch, 1906

SPIRIFERIDAE

Anthracospirifer Lane, 1963

Anthracospirifer occiduus (Sadlick, 1960)

Neospirifer Fredericks, 1924

Neospirifer cameratus (Morton, 1836)

Neospirifer goreii (Mather, 1915)

Spirifer Sowerby, 1816

Spirifer cameratus (Morton, 1836)

Spirifer centronatus Shimer, 1926

Spirifer goreii (Mather, 1915)

Spirifer occidentalis Girty, 1927

Spirifer rockymontanus Marcou, 1858

SPIRIGERELLIDAE

Composita Brown, 1845

Composita ovata (Mather, 1915)

Composita subtilita (Hall, 1852)

SPIROPLECTAMMINIDAE

Spiroplectammina semicomplanata (Carsey, 1926)

SPONDYLIDAE

Spondylus

Spondylus rugosus Packard, 1922

Spondylus striatus Packard, 1922

Spondylus subnodosus (Packard, 1922)

SQUATINIDAE

Squatina Duméril, 1805

Squatina hassei (Leriche, 1929)

STAGONOLEPIDIDAE

Stenomyti huangae Small & Martz, 2013

STAPHYLEACEAE

Staphylea L.

STAPHYLINIDAE

Acylophorus immotus Scudder, 1900

Aleocharopsis caseyi Wickham, 1913

Aleocharopsis secunda Wickham, 1913

Atheta Thomson, 1858

Atheta florissantensis Wickham, 1913

Bledius osborni Scudder, 1900

Bledius primitiarum Scudder, 1900

Bledius soli Scudder, 1900

Bledius suturalis J.L.LeConte, 1863

Deleaster grandiceps Wickham, 1912

Eucnecosum brachypterum (Gravenhorst, 1802)

Eucnecosum brunnescens (J.R.Sahlberg, 1871)

Eucnecosum tenue (LeConte, 1863)

Geodromicus abditus Scudder, 1900

Gyrophaena saxicola Scudder, 1876

Heterothops conticens Scudder, 1900

Lathrobium Gravenhorst, 1802

Lathrobium antediluvianum Wickham, 1913

Leptacinus exsucidus Scudder, 1900

Leptacinus fossus Scudder, 1900

Leptacinus leidyi Scudder, 1900

Leptacinus maclurei Scudder, 1900

Leptacinus rigatus Scudder, 1900

Lithocharis scottii Scudder, 1900

Lordithon C.G.Thomson, 1859

Lordithon durabilis (Scudder, 1900)

Lordithon funditus (Scudder, 1900)

Lordithon longiceps (J.L.LeConte, 1863)

Lordithon lyelli (Scudder, 1900)

Lordithon stygis (Scudder, 1900)

Miolithocharis lithographica Wickham, 1913

Mycetoporus demersus Scudder, 1900

Neohypnus Coiffait & Sáiz, 1964

Nitidotachinus lanei (Hatch, 1957)

Olophrum Erichson, 1839

Olophrum boreale (Paykull, 1792)

Olophrum obtectum Erichson, 1840

Omalium antiquorum Wickham, 1913

Oxytelus laqueatus (Marsham, 1802)

Oxytelus pristinus Scudder, 1876

Oxytelus subapterus Wickham, 1913

Paederus adumbratus Wickham, 1913

Philonthus Curtis, 1829

Philonthus Stephens, 1829

Philonthus abavus Scudder, 1900

Philonthus horni Scudder, 1900

Philonthus invelatus Scudder, 1900

Philonthus marcidulus Scudder, 1900

Platydracus breviantennatus Cai, Chenyang, Newton, Diying Huang & Liang Tang, 2014

Platystethus archetypus Scudder, 1900

Platystethus carcareus Scudder, 1900

Pycnoglypta lurida (Gyllenhal, 1813)

Quedius Stephens, 1829

Quedius breweri Scudder, 1890

Quedius chamberlini Scudder, 1890

Quedius mortuus Wickham, 1912

Sonoma margemina O.Park & J.A.Wagner, 1962

Staphylinus Linnaeus, 1758

Staphylinus lesleyi Scudder, 1900

Staphylinus vetulus Scudder, 1900

Staphylinus vulcan Wickham, 1913

Stenus Latreille, 1797

Stenus morsei (Scudder, 1900)

Tachinus angustatus Horn, 1877

Tachinus elongatus Gyllenhal, 1810

Tachinus fimbriatus Gravenhorst, 1802

Tachinus schwarzi Horn, 1877

Tachinus sommatus Scudder, 1900

Tachyporus Gravenhorst, 1802

Tachyporus annosus Herman, 2001

Tachyporus nimbicola Campbell, 1979

Triga coeni Scudder, 1900

Xantholinus tenebrarius Scudder, 1900

STEGOSAURIDAE

Stegosaurus Marsh, 1877

Stegosaurus armatus Marsh, 1877

Stegosaurus stenops Marsh, 1887

Stegosaurus ungulatus Marsh, 1879

STEINMANELLIDAE

Louella fitchi (Packard, 1921)

Popenoella branti (Saul, 1978)

Popenoella californiana (Packard, 1921)

Popenoella hemphilli (Anderson, 1958)

Popenoella pinea (Saul, 1978)

Popenoella robusta (Saul, 1978)

Popenoella tryoniana (Gabb, 1864)

Yaadia

Yaadia leana (Gabb, 1877)

STENOPORIDAE

Stenopora Lonsdale, 1844

Tabulipora Young, 1883

STEPHANIDAE

Protostephanus Cockerell, 1906

Protostephanus ashmeadi Cockerell, 1906

STRAMENTIDAE

Stramentum haworthi (Williston, 1896)

STRATIOMYDAE

Stratiomydae

STRATIOMYIDAE

Beris miocenica James, 1937

Cyphomyia rohweri (Cockerell, 1916)

Lasiopa carpenteri James, 1937

Moyamyia limigena Melander, 1949

Oxycera contusa Cockerell, 1917

Rhingiopsis priscula (Cockerell, 1910)

STREPTELASMATIDAE

Helicelasma rusticum (Billings, 1858)

Palaeophyllum Billings, 1858

Streptelasma Hall, 1847

STREPTOSOLENIDAE

Wilbernicyathus Wilson, 1950

STRIGIDAE

Asio Brisson, 1760

Bubo virginianus (J.F.Gmelin, 1788)

STROMBIDAE

Gymnarus manubriatus (Gabb, 1864)

STROPHOMENIDAE

Leptaena Dalman, 1828

Strophomena Rafinesque, 1824

STYLINODONTIDAE

Calamodon Cope, 1874

Ectoganus Cope, 1874

Ectoganus lobdelli (Simpson, 1929)

Psittacotherium Cope, 1882

Stylinodon Marsh, 1874

Stylinodon mirus Marsh, 1874

STYLOTERMITIDAE

Parastylotermes calico Pierce, 1958

STYRACACEAE

Halesia Ellis ex L.

Halesia reticulata Buckley

Styrax L.

SUBERITIDAE

Chaetetes Eichwald, 1829

SYMMORIIDAE

Physonemus M'Coy, 1848

SYMPLOCACEAE

Symplocos Jacq.

SYNCHROIDAE

Synchroa quiescens Wickham, 1911

SYRINGOPORIDAE

Syringopora Goldfuss, 1826

SYRPHIDAE

Archalia femorata Hull, 1945

Cacogaster novamaculata Hull, 1945

Cheilosia hecate Hull, 1945

Cheilosia miocenica (Cockerell, 1909)

Cheilosia sepultula (Cockerell, 1916)

Chilosia Meigen, 1822

Chilosia scudderi Cockerell & Le Veque, 1931

Chrysogaster antiquaria Hull, 1945

Eristalis lapideus Scudder, 1877

Leucozona nigra Hull, 1945

Milesia quadrata Scudder, 1878

Pipiza melanderi Hull, 1945

Platycheirus Lepeletier & Serville, 1828

Platycheirus lethaeus Melander, 1949

Platycheirus persistens Hull, 1938

Protochrysotoxum sphinx Hull, 1945

Rhingia zephyrea Hull, 1945

Sphegina obscura Hull, 1945

Syrphus Fabricius, 1775

Syrphus aphidopsidis Cockerell, 1909

Syrphus carpenteri Hull, 1945

Syrphus eocenicus Cockerell, 1925

Syrphus hendersoni James, 1932

Syrphus lithaphidis Cockerell, 1921

Syrphus petrographicus Hull, 1960

Syrphus platychiralis Hull, 1945

Syrphus willistoni Cockerell, 1909

TABANIDAE

Anthomyia laminarum Cockerell, 1917

Leptis mystaceaeformis Cockerell, 1909

Rhagio fossitius Melander, 1949

Rhagio wheeleri Melander, 1949

Sciara dormitans Melander, 1949

Sciara florissantensis Cockerell, 1916

Sciara requieta Melander, 1949

Sciara sopora Melander, 1949

Silvius merychippi Melander, 1947

Tabanus hipparionis Cockerell, 1909

Tabanus parahippi Cockerell, 1909

TACHINIDAE

Musca Linnaeus, 1758

TAENIOLABIDAE

Cimexomys arapahoensis Middleton & Dewar, 2004

Cimexomys minor Sloan & Van Valen, 1965

TAENIOLABIDIDAE

Catopsalis Cope, 1882

Catopsalis alexanderi Middleton, 1982

Catopsalis foliatus (Cope, 1882)

Meniscoessus Cope, 1882

Meniscoessus collomensis Lillegraven, 1987

Meniscoessus conquistus Cope, 1882

Meniscoessus robustus (Marsh, 1889)

TALPIDAE

Condylura Illiger, 1811

Domninoides Green, 1956

Mydecodon martini (Wilson, 1960)

Mystipterus martini (Wilson, 1960)

Oreotalpa florissantensis Lloyd & Eberle, 2008

Scalopoides Wilson, 1960

Scalopoides isodens Wilson, 1960

Scalopus É.Geoffroy Saint-Hilaire, 1803

TANCREDIIDAE

Meekia

Meekia bella Saul & Popenoe, 1962

Meekia daileyi Saul & Popenoe, 1962

Meekia iberica Saul & Popenoe, 1962

Meekia lirata Saul & Popenoe, 1962

Meekia louella Popenoe in Popenoe & Saul, 1962

Meekia mygale Saul & Popenoe, 1962

Meekia navis Gabb, 1864

Meekia quercus Saul & Popenoe, 1962

Meekia radiata Gabb, 1864

Meekia roddana Saul & Popenoe, 1962

Meekia sella Gabb, 1864

Meekia takeoana Saul & Popenoe, 1962

Meekia tumba Saul & Popenoe, 1962

TANYSTROPHEIDAE

Gwyneddichnium Bock, 1952

TAPIRIDAE

Tapirus haysii (Leidy, 1860)

Teleolophus primarius Qi, 1987

TARPHYCERATIDAE

Diestoceras Foerste, 1924

TARSIIDAE

Omomys carteri Leidy, 1869

TAXACEAE

Torreya Arn.

TAXOCRINIDAE

Taxocrinus Phillips, 1843

TAYASSUIDAE

Dyseohyus Stock, 1937

Dyseohyus stirtoni Woodburne, 1969

Hesperhys Douglass, 1903

Perchoerus Leidy, 1869

Perchoerus minor Cook, 1922

Perchoerus nanus (Marsh, 1894)

Platygonus Leconte, 1848

Platygonus pollenae Prothero & Grenader, 2012

Tayassu G.Fischer

TECTARIACEAE

Aspidium Sw.

Triplophyllum Holttum

TEGULIDAE

Tegula

Tegula daileyi Squires, 2011

Tegula jeanae Squires & Saul, 2005

TELLINIDAE

Linearia

Linearia cahalli Saul, m.s.

Palaeomoera

Palaeomoera dyskritos Dailey & Popenoe, 1966

Tellina

Tellina (Acorylus)

Tellina (Tellinella)

Tellina Linnaeus, 1758

Tellina aequalis Gabb, 1869

Tellina ashburnerii Gabb, 1864

Tellina parilis Gabb, 1864

Tellinidae indet.

TENEBRIONIDAE

Apsena laticornis

Blapstinus linellii Wickham, 1913

Capnochroa senilis Wickham, 1913

Coniontis abdominalis LeConte, 1859

Coniontis remnans Pierce, 1954

Eleodes Eschscholtz, 1829

Ephalus adumbratus Scudder, 1900

Gonodera Mulsant, 1856

Gonodera antiqua (Wickham, 1913)

Gonodera vulcanica (Wickham, 1914)

Hymenorus haydeni Wickham, 1914

Isomira Mulsant, 1856

Isomira florissantensis Wickham, 1914

Meracantha lacustris Wickham, 1909

Miostenosis lacordairei Wickham, 1913

Ologlyptus primus (Wickham, 1910)

Platydema antiquorum Wickham, 1912

Platydema bethunei Wickham, 1913

Proteleates centralis Wickham, 1914

Protoplatycera laticornis Wickham, 1914

Stenomorpha mckittricki (Pierce, 1954)

Tenebrionites alatus Cockerell, 1927

Ulus Horn, 1870

TENTHREDINIDAE

Athalia Leach, 1817

Athalia wheeleri (Cockerell, 1906)

Caliroa micrarche (Cockerell, 1916)

Caliroa mimus (Cockerell, 1917)

Caliroa revelata (Cockerell, 1909)

Cladius petrinus Cockerell, 1915

Dineura cockerelli Rohwer, 1908

Dineura fuscipennis Rohwer, 1908

Dineura laminarum Brues, 1908

Dineura microsoma Cockerell, 1927

Dineura saxorum Cockerell, 1906

Eohemichroa eophila (Cockerell, 1906)

Eriocampa Hartig, 1837

Eriocampa bruesi Rohwer, 1908

Eriocampa celata Cockerell, 1915

Eriocampa disjecta Cockerell, 1922

Eriocampa pristina Cockerell, 1910

Eriocampa scudderi Brues, 1908

Eriocampa synthetica Cockerell, 1911

Fenusa parvus (Brues, 1906)

Fenusa primula Rohwer, 1908

Florissantinus angulatus Zhelochovtzev & Rasnitsyn, 1972

Hoplocampa ilicis Cockerell, 1927

Lithoryssus parvus (Brues, 1906)

Macrophya pervetusta Brues, 1908

Mesoneura vexabilis (Brues, 1908)

Nortonella typica Rohwer, 1908

Palaeotaxonus trivittatus Rohwer, 1908

Palaeotaxonus typicus Brues, 1908

Palaeotaxonus vetus Cockerell, 1917

Pseudosiobla megoura Cockerell, 1907

Pseudosiobla misera (Brues, 1908)

Selandria sapindi Cockerell, 1910

Taeniurites fortis Cockerell, 1917

Tenthredella fenestralis Cockerell, 1927

Tenthredella oblita Cockerell, 1917

Tenthredella toddi Cockerell, 1914

Tenthredo avia Brues, 1908

Tenthredo infossa Brues, 1908

Tenthredo saxorum Rohwer, 1908

Tenthredo submersa Cockerell, 1907

TEPHRITIDAE

Melieria atavina Cockerell, 1917

Melieria calligrapha Melander, 1949

TEREBRATULIDAE

Terebratula

Terebratulidae indet.

TEREDINIDAE

Teredinidae indet.

Teredo Linnaeus, 1758

TERMITIDAE

Eutermes Heer, 1849

Gnathamitermes magnoculus Light, 1932

TESTUDINIDAE

Cardichelyon rogerwoodi Hutchison, 2013

Gopherus Rafinesque, 1832

Gopherus laticunea (Cope, 1873)

Gopherus pansa (Hay, 1908)

Hadrianus corsoni (Leidy, 1871)

Hesperotestudo Williams, 1950

Oligopherus laticuneus (Cope, 1873)

Stylemys Leidy, 1851

Stylemys amphithorax (Cope, 1873)

Stylemys nebrascensis (Leidy, 1851)

Testudo Linnaeus, 1758

TETILLIDAE

Craniella Schmidt, 1870

TETRAGNATHIDAE

Palaeometa opertanea (Scudder, 1890)

Tetragnatha tertiaria Scudder, 1885

TETRAGONITIDAE

Gabbioceras angulatum (Anderson, 1902)

Pseudophyllites indra (Forbes, 1846)

Tetragonites

Tetragonites (Saghalinites) henleyense (Anderson, 1958)

Tetragonites glabrus

Tetragonites glabrus glabrus (Jimbo, 1894)

Tetragonites popetensis Yabe, 1903

TETRALOBULIDAE

Syntrophopsis Ulrich & Cooper, 1936

Tetralobula Ulrich & Cooper, 1936

TETRATOMIDAE

Tetratoma concolor LeConte, 1879

TETRIGIDAE

Eotetrix unicornis Gorochov, 2012

TETTIGONIIDAE

Anabrus caudelli Cockerell, 1908

Lithymnetes guttatus Scudder, 1878

Locusta silens Scudder, 1890

Orchelimum placidum Scudder, 1890

THECIDELLINIDAE

Marginifera Waagen, 1884

Marginifera haydenensis Girty, 1903

THELYPTERIDACEAE

Lastrea goldiana Lesquereux, 1878

Thelypteris Schmidel

THEREVIDAE

Helicorhaphe tortilis Książkiewicz, 1970

Palaeopherocera scudderi (Cockerell, 1909)

THEROTEINIDAE

Oxyaena Cope, 1874

Oxyaena forcipata Cope, 1874

Oxyaena gulo Matthew & Granger, 1915

Oxyaena intermedia Denison, 1938

Oxyaena lupina Cope, 1874

Oxyaena pardalis Matthew & Granger, 1915

Oxyaena simpsoni Van Valen, 1966

Palaeonictis occidentalis Osborn, 1892

Palaeonictis peloria Rose, 1981

Patriofelis compressa Denison, 1938

Patriofelis ulta Leidy, 1870

THOMISIDAE

Thomisus defossus Scudder, 1890

Thomisus disjunctus Scudder, 1890

Thomisus resutus Scudder, 1890

THRACIIDAE

Thracia

Thraciidae indet.

THROSCIDAE

Pactopus americanus Wickham, 1914

Trixagus sericeus (LeConte, 1868)

THYASIRIDAE

Thyasira

Thyasira iota Saul, m.s.

Thyasiridae indet.

THYMELAEACEAE

Daphne L.

THYNNIDAE

Geotiphia foxiana Cockerell, 1906

Geotiphia halictina Cockerell, 1910

Geotiphia pachysoma Cockerell, 1927

Geotiphia sternbergi Cockerell, 1910

Lithotiphia scudderi Cockerell, 1906

TILLOTHERIIDAE

Esthonyx Cope, 1874

Esthonyx acutidens Cope, 1881

Esthonyx bisulcatus Cope, 1874

Esthonyx spatularius Cope, 1880

Trogosus Leidy, 1871

Trogosus castoridens Leidy, 1871

Trogosus grangeri Gazin, 1953

Trogosus hillsii Gazin, 1953

TINGIDAE

Dictyla veterana (Scudder, 1890)

Eotingis antennata Scudder, 1890

Gyaclavator kohlsi Wappler, Guilbert, Wedmann & Labandeira, 2015-12

Tingis florissantensis (Horváth, 1914)

TIPHIIDAE

Philoponites praefractus (Cockerell, 1907)

TIPULIDAE

Dicranomyia rohweri (Brown, 1985)

Manapsis anomala Scudder, 1894

Tipula Linnaeus, 1758

Tipula americana Kania et al., 2018

Tipula bilineata (Scudder, 1894)

Tipula carolinae Scudder, 1894

Tipula carpenteri Alexander, 1938

Tipula clauda Scudder, 1894

Tipula consumpta Scudder, 1894

Tipula evanitura Scudder, 1894

Tipula florissanta Scudder, 1894

Tipula fmartinbrowni Evenhuis, 1994

Tipula heilprini Scudder, 1894

Tipula hepialina Cockerell, 1909

Tipula internecata Scudder, 1894

Tipula lapillescens Scudder, 1894

Tipula lethaea Scudder, 1894

Tipula limi Scudder, 1894

Tipula maclurei Scudder

Tipula magnifica Scudder, 1894

Tipula needhami Cockerell, 1910

Tipula paludis (Scudder, 1894)

Tipula picta (Scudder, 1894)

Tipula reliquiae (Scudder, 1894)

Tipula revivificata Scudder, 1894

Tipula rigens Scudder, 1894

Tipula spoliata Scudder, 1890

Tipula subterjacens Scudder, 1894

Tipula tartari Scudder, 1894

Tipula wilmatteae Melander, 1949

Tipulidea distincta Scudder, 1894

Tipulidea picta Scudder, 1894

TITANOECIDAE

Titanoeca ingenua Scudder, 1890

TITANOIDEIDAE

Sparactolambda looki (Patterson, 1939)

Titanoides Gidley, 1917

Titanoides looki (Patterson, 1939)

Titanoides primaevus Gidley, 1917

TORTRICIDAE

Genus ANIC A

Tortricites destructus (Cockerell, 1916)

TORYMIDAE

Palaeotorymus Brues, 1910

Palaeotorymus aciculatus Brues, 1910

Palaeotorymus laevis Brues, 1910

Palaeotorymus striatus Brues, 1910

Palaeotorymus typicus Brues, 1910

Torymus sackenii (Ashmead, 1881)

TRACHYSPIRIDAE

Trachydomia Meek & Worthen, 1866

TRAPEZIDAE

Aphaea

Aphaea ignota Dailey & Popenoe, 1966

TRICHOPITYACEAE

Trichopitys Saporta, 1875

TRICONODONTIDAE

Priacodon fruitaensis Rasmussen & Callison, 1981

TRIGONIACEAE

Trigonia

TRIGONIIDAE

Pterotrigonia

Pterotrigonia evansana (Meek, 1858)

Pterotrigonia klamathonia (Anderson, 1958)

Quadratotrigonia

Trigoniidae indet.

TRIGONIRHYNCHIIDAE

Ptychomalotoechia sobrina (Stainbrook, 1947)

TRIHECATONTIDAE

Trihecaton howardinus Vaughn, 1972

TRIISODONTIDAE

Eoconodon Matthew & Granger, 1921

TRIONYCHIDAE

Aspideretes Hay, 1904

Aspideretoides Gardner, Russell & Brinkman, 1995

Axestemys puercensis (Hay, 1908)

Axestemys quinni (Schmidt, 1945)

Helopanoplia distincta Hay, 1908

Plastomenus Cope, 1873

TRIPTEROCERATIDAE

Allumettoceras Foerste, 1926

TROCHAMMINIDAE

Trochammina depressa Lozo, 1944

Trochammina diagonis (Carsey, 1926)

Trochammina globigeriniformis (Parker & Jones, 1865)

Trochammina rutherfordi Stelck & Wall, 1955

TROCHIDAE

Atira

Atira inornatus (Gabb, 1864)

Atira ornatissima (Gabb, 1864)

Atira popenoei Squires, 2010

Monodonta (Osilinus) minuta Stanton, 1947

Trochidae indet.

Trochus

TROCHONEMATIDAE

Trochonema umbilicata

TROGIDAE

Trox antiquus Wickham, 1909

TROGOSSITIDAE

Peltis laminata Wickham, 1910

Tenebroides corrugata Wickham, 1913

TROPIDODISCIDAE

Strepsodiscus major Knight, 1948

TROPIDUCHIDAE

Emiliana alexandri Shcherbakov, 2006

TUDICLIDAE

Praesargana argentea Saul, 1996

Praesargana condoni (White, 1889)

Praesargana confraga Saul, 1996

Praesargana kennedyi Saul, 1996

TUPAIIDAE

Protungulatum donnae Sloan & Van Valen, 1965

Tupaia Raffles, 1821

TURBINELLIDAE

Fimbrivasum medium Squires & Saul, 2001

TURBINIDAE

Atresius liratus Gabb, 1869

Igonoia kieli Squires, 2011

Igonoia onoensis Squires, 2011

Igonoia roddai (Whiteaves, 1903)

Igonoia shastana Squires, 2011

Igonoia stewarti Squires, 2011

Igonoia vacca Squires, 2011

Turbinidae indet.

TURRIDAE

Procerapex bentsonae (Durham, 1944)

TURRILINIDAE

Praebulimina kickapooensis (Cole, 1938)

Praebulimina venusae (Nauss, 1947)

TURRILITIDAE

Mariella (Mariella) fricki Murphy & Rodda, 1960

Pseudhelicoceras petersoni (Anderson, 1958)

Turrilites (Turrilites) dilleri Murphy & Rodda, 1960

Turrilites Lamarck, 1801

Turrilites acutus (Passy, 1832)

Turrilites scheuchzerianus (Bosc, 1801)

TURRITELLIDAE

Glauconia hesperia Anderson, 1938

Mesalia

Nerinea (Plesioptygmatis) pseudoconvexa Stanton, 1947

Nerinea stewarti Anderson, 1958

Turritella

Turritella Lamarck, 1799

Turritella chaneyi chaneyi Merriam, 1941

Turritella chaneyi orienda Saul, 1983

Turritella chaneyi vedderi Saul, 1983

Turritella chicoensis Gabb, 1864

Turritella chicoensis holzana Saul, 1983

Turritella chicoensis pescaderoensis Arnold, 1908

Turritella encina Squires & Saul, 2006

Turritella hearni Merriam, 1941

Turritella infralineata Gabb, 1864

Turritella iota Popenoe, 1937

Turritella ossa Popenoe, 1937

Turritella packardi Merriam, 1941

Turritella peninsularis adelaidana Merriam, 1941

Turritella peninsularis peninsularis Anderson & Hanna, 1935

Turritella peninsularis quaylei Saul, 1983

Turritella petersoni Merriam, 1941

Turritella robusta Gabb, 1864

Turritella webbi paynei Saul, 1983

Turritella webbi webbi Saul, 1983

Turritella xylina Squires & Saul, 2006

Turritellidae indet.

TYLOSTOMATIDAE

Pictavia santana Squires & Saul, 2004

Prisconatica hesperia Squires & Saul, 2004

TYPHACEAE

Sparganium L.

Sparganium antiquum Berry, 1924

Typha L.

Typha lesquereuxi Cockerell, 1908

TYRANNIDAE

Colopterus Cabanis, 1845

TYRANNOSAURIDAE

Albertosaurus Osborn, 1905

Gorgosaurus libratus Lambe, 1914

Tyrannosaurus Osborn, 1905

Tyrannosaurus rex Osborn, 1905

UINTACRINIDAE

Uintacrinus Grinnell, 1876

Uintacrinus socialis Grinnell, 1876

UINTATHERIIDAE

Bathyopsis Cope, 1881

Bathyopsis fissidens Cope, 1881

Bathyopsoides harrisorum (Patterson, 1939)

Eobasileus cornutus (Cope, 1872)

Probathyopsis harrisorum (Patterson, 1939)

Prodinoceras harrisorum (Patterson, 1939)

Prodinoceras newbilli (Patterson, 1939)

Uintatherium Leidy, 1872

Uintatherium anceps (Marsh, 1871)

ULMACEAE

Chaetoptelea microphylla

Chaetoptelea pseudofulva (Lesquereux, 1878)

Planera J.F.Gmel.

Planera longifolia Lesquereux, 1878

Quercus cretensis Lam. ex Steud.

Ulmus L.

Ulmus rhaminfolia Ward

Zelkova Spach

ULOBORIDAE

Miagrammopes O.P.-Cambridge, 1870

UNGULINIDAE

Diplodonta

Diplodonta (Felaniella) baia Saul, m.s.

Diplodonta (Microstagon)

Diplodonta Bronn, 1831

Diplodonta davisi Dailey & Popenoe, 1966

UNIONIDAE

Unio Philipsson, 1788

Unio priscus Meek & Hayden, 1856

UROLIBELLULIDAE

Urolibellula eocenica Zeiri et al., 2015

URSIDAE

Tremarctos floridanus (Gidley, 1928)

Ursavus pawniensis Frick, 1926

Ursus americanus Pallas, 1780

VALVATIDAE

Amplovalvata Yen, 1952

Valvata O.F.Müller, 1773

Valvata scabrida Meek & Hayden, 1865

VANIKORIDAE

Vanikoropsis Meek, 1876

VARANIDAE

Saniwa Leidy, 1870

VASCOCERATIDAE

Fagesia Pervinquière, 1907

Vascoceras Choffat, 1898

VELIDES

Stenovelia nigra Scudder, 1890

VENERIDAE

Callista Poli, 1791

Callistalox

Callistalox arata (Gabb, 1864)

Callistalox fragilis (Gabb, 1869)

Calva

Calva (Calva) baptisia Saul & Popenoe, 1992

Calva (Calva) campanae Saul & Popenoe, 1992

Calva (Calva) heliaca Saul & Popenoe, 1992

Calva (Calva) peninsularis (Anderson & Hanna, 1935)

Calva (Calva) regina (Popenoe, 1937)

Calva (Calva) varians (Gabb, 1864)

Calva (Egelicalva) bowersiana (Cooper, 1894)

Calva (Egelicalva) buttensis (Anderson, 1958)

Calva (Egelicalva) byblidis Saul & Popenoe, 1992

Calva (Egelicalva) crassa Saul & Popenoe, 1992

Calva (Egelicalva) nitida (Gabb, 1864)

Calva (Egelicalva) spissa Saul & Popenoe, 1992

Calva (Egelicalva) taffi (Anderson, 1958)

Calva (Microcalva) elderi Saul & Popenoe, 1992

Calva (Penecallista) marina Saul & Popenoe, 1992

Cyprimeria moorei Popenoe, 1937

Egrona fallax Saul, 1993

Flaventia beta Saul, m.s.

Legumen ooides (Gabb, 1864)

Loxo

Loxo decore Dailey & Popenoe, 1966

Loxo quintense Saul, 1993

Paraesa

Paraesa lens (Gabb, 1864)

Paraesa zeta (Popenoe, 1937)

Rhaiphiale pharota Saul, 1993

Veneridae indet.

VERBENACEAE

Petrea L.

VERMETIDAE

Serpulorbis

Vermetidae indet.

VERNEUILINIDAE

Verneuilinoides kansasensis Loeblich & Tappan, 1950

VERNEULIDAE

Gaudryina

VESPERTILIONIDAE

Myotis Kaup, 1829

Oligomyotis Galbreath, 1962

VESPIDAE

Odynerus palaeophilus Cockerell

Odynerus percontusus Cockerell

Odynerus praesepultus Cockerell

Odynerus terryi Cockerell

Odynerus wilmattae Cockerell

Palaeovespa Cockerell, 1906

Palaeovespa florrissantia Cockerell, 1906

Palaeovespa gilletei Cockerell, 1906

Palaeovespa relecta Cockerell, 1923

Palaeovespa scudderi Cockerell, 1906

Palaeovespa wilsoni Cockerell, 1915

VIPERIDAE

Crotalus Linnaeus, 1758

VITACEAE

Ampelopsis acerifolia Brown, 1962

Cissites Debey, 1866

Cissites rocklandensis Brown, 1962

Cissus L.

Parthenocissus Planch.

Vitis L.

Vitis bronneri Jord.

Vitis rotundifolia Michx.

VITRINELLIDAE

Vitrinella

VIVERRAVIDAE

Didymictis Cope, 1875

Didymictis altidens (Cope, 1880)

Didymictis leptomylus (Cope, 1880)

Didymictis protenus (Cope, 1874)

Didymictis proteus Polly, 1997

Didymictis vancleveae Robinson, 1966

Protictis Matthew, 1937

Viverravus Marsh, 1872

Viverravus acutus Matthew & Granger, 1915

Viverravus gracilis Marsh, 1872

Viverravus lutosus Gazin, 1952

Viverravus minutus Wortman, 1901

Viverravus politus Matthew & Granger, 1915

Viverravus sicarius Matthew, 1909

VIVIPARIDAE

Campeloma Rafinesque, 1819

Campeloma nebrascensis (Meek & Hayden, 1856)

Tulotoma thompsoni White, 1876

Viviparus Montfort, 1810

Viviparus reesidei Yen, 1952

VOLTZIACEAE

Voltzia A.T.Brongniart, 1828

VOLUTIDAE

Carota

Carota dilleri (White, 1889)

Carota mitraeformis (Gabb, 1869)

Cryptochorda

Fusivoluta cretacea Squires & Saul, 2003

Konistra biconica (Anderson, 1958)

Longoconcha eumeka Saul & Squires, 2008

Retipirula calidula Saul & Squires, 2008

Varens

Varens anae Saul & Popenoe, 1993

Varens formosus Saul & Popenoe, 1993

Volutidae indet.

Volutoderma

Volutoderma angelica Saul & Squires, 2008

Volutoderma averillii (Gabb, 1864)

Volutoderma blakei Saul & Squires, 2008

Volutoderma elderi Saul & Squires, 2008

Volutoderma jalama Saul & Squires, 2008

Volutoderma magna Packard, 1922

Volutoderma querna Saul & Squires, 2008

Volutoderma santana Packard, 1922

Volutoderma ynezae Saul & Squires, 2008

Volutoderma? antherena Saul & Squires, 2008

WESTONOCERATIDAE

Westonoceras Foerste, 1926

WEWOKELLIDAE

Wewokella solida Girty, 1911

XANTHIDAE

Xandaros sternbergi (Rathbun, 1926)

XENOPHORIDAE

Phorus Montfort, 1810

Xenophora (Endoptygma) hermax Squires & Saul, 2001

XENOSAURIDAE

Exostinus Cope, 1873

Exostinus serratus Cope, 1873

XYELIDAE

Megaxyela petrefacta Brues, 1908

Xyela florissantensis Rasnitsyn, 1995

XYLOMYIDAE

Solva inornata Melander, 1949

XYLOPHAGIDAE

Dialysis revelata Cockerell, 1908

YOLDIIDAE

Yoldia Møller, 1842

Yoldia evansi (Meek & Hayden, 1857)

YPONOMEUTIDAE

Chionaemopsis quadrifasciatus Cockerell & Le Veque, 1931

ZACALLITIDAE

Zacallites balli Cockerell, 1928

ZAPHRENTIDAE

Zaphrenthis Rafinesque & Clifford, 1820

ZAPHRENTOIDIDAE

Homalophyllites Easton, 1944

ZINGIBERACEAE

Zingiberopsis L.J.Hickey, 1977

ZOPHERIDAE

Eucicones oblongopunctata (Wickham, 1913)

Rhagoderidea striata Wickham, 1914

ZYGOPLEURIDAE

Zebalia suciaensis (Packard, 1922)

Family Not Defined

unidentified

Passeriformes

Todiltia schoewei (Dunkle, 1942)

Lowesaurus matthewi (Gilmore, 1928)

Carnivora

Insectivora

Lagomorpha

Gymnoptychus Cope, 1873

Rodentia

Anseriformes

Falconiformes

Gruiformes

Strigiformes

Hulettia americana (Eastman, 1899)

Celliforma Brown, 1934

Chiroptera

Homoptera Boisduval, 1852

Tracheophyta

Filicales

Allantodiopsis erosa (Lesquereux, 1878)

Leptophycus gracilis Johnson, 1940

Abietites W.Hisinger, 1837

Cycadeoidea Buckland, 1828

Carpolithes A.T.Brongniart, 1822

Halymenites Sternberg, 1833

Phenanthera petalifera Hollick, 1907

Jungermanniopsis cockerellii M.Howe & Hollick

Haplocanthosaurus Hatcher, 1903

Dictyorhabdus priscus (Walcott, 1891)

Litoptychius bryanti Denison, 1951

Theiophytalia kerri Brill & Carpenter, 2007

Psocodea

Floricolumnus Donovan & Clark, 1992

Phyllites A.T.Brongniart, 1822

Chaneya tenuis Wang & Manchester, 2000

Carpites W.P.Schimper, 1874

Ophiomorpha Lundgren, 1891

Corixia

Annelida

Chitinozoa

Brachiopoda

Callixylon newberryi

Cercopyllis delicatula Scudder, 1890

Sporagnites huronensis

Steloxylon

Laasbium agassizii Scudder, 1900

Anconatus dorsuosus Buckton, 1883

Pterostigma nigrum Scudder, 1890

Sbenaphis quesneli (Scudder, 1878)

Geranchon davisii Scudder, 1890

Diaplegma veterascens Scudder, 1890

Diaplegma abductum Scudder, 1890

Diaplegma occultorum Scudder, 1890

Diaplegma haldemani Scudder, 1890

Diaplegma ruinosum Scudder, 1890

Diaplegma venerabile Scudder, 1890

Nyctophylax Scudder, 1890

Laasbium sectile Scudder, 1900

Parotermes fodinae (Scudder, 1883)

Prokalotermes hagenii (Scudder, 1883)

Parotermes hagenii (Scudder, 1883)

Proelectrotermes fodinae (Scudder, 1883)

Planocephalus aselloides Scudder, 1885

Cacalydus exstirpatus Scudder, 1890

Rhepocoris praevalens Scudder, 1890

Rhepocoris propinquans Scudder, 1890

Litholabis gilberti (Scudder, 1890)

Labiduromma gilberti Scudder, 1890

Parodarmistus inhibitus (Scudder, 1890)

Parodarmistus exanimatus (Scudder, 1890)

Parodarmistus defectus (Scudder, 1890)

Etirocoris infernalis Scudder, 1890

Parodarmistus collisus (Scudder, 1890)

Rhepocoris praetectus Scudder, 1890

Rhepocoris minima Scudder, 1890

Parodarmistus caducus (Scudder, 1890)

Rhepocoris macrescens Scudder, 1890

Tenor speluncae Scudder, 1890

Parodarmistus abscissus (Scudder, 1890)

Prosigara flabellum Scudder, 1890

Palaeovelia spinosa Scudder, 1890

Psilophyton dapsile

Laoporus coloradensis (Henderson, 1924)

Crocodylia

Desmatodon hesperis Vaughn, 1969

Pertica quadrifaria

Algites enteromorphoides

Tasmanites

Hemilampronites Geinitz, 1868

Patrognathus Rhodes, Austin & Druce, 1969

Ampakabites Collignon, 1965

Leucichthyops Cockerell, 1919

Othnielosaurus Galton, 2007

Erythrinolepis Cockerell, 1919

Holcolepis Marck, 1868

Hogmochilina Solle, 1935

Tetrataxis vaccula Roth & Skinner, 1930

Pandorinella insita (Stauffer, 1940)

Semibipedopus meekerensis Haubold, 1971

Sphenothallus J.Hall, 1847

Centrarchites Cockerell, 1919

Crassikamaena P.L.Brenckle, 1985

Leptolepis schoewei (Dunkle, 1942)

Bipedopus coloradensis Haubold, 1971

Cutleria wilmarthi Lewis & Vaughn, 1965

Pentremites Say, 1820

Tettoraptor maculatus Gorochov, 2012

Hermanophyton C.A.Arnold, 1962

Fruitafossor windscheffeli Luo & Wible, 2005

Ozarkocoelia

Pseudoleperditia Schneider, 1956

Cyclolepis Geinitz, 1868

Lamna appendiculata (Agassiz, 1835)

Chimaeriformes

Baroda Stoliczka, 1870

Helmintholepis Cockerell, 1919

Calycoceras leonense (Adkins, 1928)

Platyscaphites Cobban, Kennedy & Landman, 1999

Pholidophorus americanus (Eastman, 1899)

Porifera

Aspidichthys Newberry, 1873

Hermanophyton kirkbyorum Arnold, 1962

Polyupsilon Howell, 1957

Paractichthys Dunkle, 1958

Silicosigmoilina Israelsky, 1953

Neochonetes Muir-Wood, 1962

Campodus de Koninck, 1844

Jonesina Ulrich & Bassler, 1908

Ottonosia W.H.Twenhofel, 1919

Gryphaea newberryi (Stanton, 1894)

Ammonites

Zamiostrobus Endlicher, 1836

Monocraterion Torell, 1870

Chirognathus Branson & Mehl, 1933

Ligonodina Ulrich & Bassler, 1926

Archaeosigillaria vanuxemi

Colpodexylon deatsii

Leclercqia complexa

Protosalvinia

Neochonetes puebloensis (King, 1938)

Rhizocorallium Zenker, 1836

Curvolithus Fritsch, 1908

Palaeophycus heberti da Saporta, 1872

Psammichnites Torell, 1870

Chondrites Sternberg, 1833

Conostichus Lesquereux, 1876

Palaeophycus striatus (Hall, 1852)

Aulichnites Fenton & Fenton, 1937

Dicranomyia Savchenko, 1976

Crinoidea

Pecopteris Brongniart, 1822

Talpavus Marsh, 1872

Hapalodectes leptognathus (Osborn & Wortman, 1892)

Parviraptor Evans, 1994

Eilenodon Rasmussen & Callison, 1981

Eugenia Gould, 1856

Deviacer Manchester, 1994

Borealosuchus sternbergii (Gilmore, 1910)

Pteridopsida

Allantodiopsis Knowlton & Maxon, 1919

Araneaovoius columbiae (Scudder, 1878)

Pseudoisurus Ghlikman, 1957

Cretolamna appendiculata (Agassiz, 1835)

Diplosaurus felix Marsh, 1877

Hulettia Schaeffer & Patterson, 1984

Charophyta

Orthocerida

Neochonetes Archbold, 1981

Stenolaemata

Tarassocrinus Webster & Hafley, 1999

Pleiadeaster inceptus Webster et al., 1999

Mesadactylus ornithosphyos Jensen & Padian, 1989

Kepodactylus insperatus Harris & Carpenter, 1996

Haplocanthosaurus delfsi McIntosh & Williams, 1988

Cretolamna

Nordenskioldia Koenike, 1907

Amiiformes

Beringiaphyllum cupanioides (Manchester et al., 1999)

Glirodon Engelmann & Callison, 1999

Walteria jeffersonensis (Mehl, 1931)

Walteria Mehl, 1931

Diablophis gilmorei Caldwell, Nydam, Palci & Apesteguía, 2014

Eosauropus cimarronensis Lockley et al., 2006

Schadipes Lockley & Foster, 2003

Schadipes crypticus Lockley & Foster, 2003

Pentaridica Moore & Jeffords, 1968

Eretmocrinus Lyon & Casseday, 1859

Therangospodus Lockley, Meyer & Moratalla, 2000

Aletridelphys hatcheri (Osborn, 1898)

Borealosuchus Brochu, 1997

Penthetria Cabanis, 1847

Anconatus niger (Scudder, 1890)

Cacalydus lapsus Scudder, 1890

Epallagites avus Cockerell, 1925

Echinaphis rohweri Cockerell, 1913

Chelonipus Lilienstern, 1939

Cercopyllis justiciae Scudder, 1890

Cercopyllis adolescens Scudder, 1890

Glirodon grandis Engelmann & Callison, 1999

Rothschildia Perkins, 1899

Tanaocrossus kalliokoskii Schaeffer, 1967

Eilenodon robustus Rasmussen & Callison, 1981

Octopodichnus Gilmore, 1927

Phylledestes vorax Cockerell, 1907

Eoliarus quadristictus Cockerell, 1925

Petrunkevitchiana oculata (Petrunkevitch, 1922)

Petrolabis gurneyi (Brown, 1984)

Protoliarus amabilis Cockerell & Le Veque, 1931

Petropteron mirandum Cockerell, 1912

Tortrix florissantanus (Cockerell, 1907)

Syncyclonema travisanus Stephenson, 1941

Rotodactylus Peabody, 1948

Lithophotina costalis Cockerell, 1914

Cryptodira Cope, 1869

Cochlichnus Hitchcock, 1858

Treptichnus Miller, 1889

Acanthichnus Hitchcock, 1858

Scoyenia D.White, 1929

Eosauropus Lockley, Lucas & Hunt, 2006

Eubrontes giganteus (Hitchcock, 1836)

Eofulgorella bradburyi Cockerell, 1909

Lithophotina floccosa Cockerell, 1908

Litheuphaea coloradensis Petrulevičius et al., 2007

Palaeospiza bella Allen, 1878

Protoliarus humatus Cockerell, 1921

Tylocomnus creedensis Cockerell, 1941

Lycopod

Dryophyllum Debey, 1865

Elatides Heer, 1876

Wardiaphyllum daturaefolium Hickey, 1977

Plektecoprus Hunt, Lucas & Spielmann, 2012

Palaeophycus tubularis Hall, 1847

Manchuriophycus Endo, 1933

Foraminifera

Tropidodiscus Meek & Worthen, 1866

Pseudobuccinum Meek & Hayden, 1857

Stromatolites Brière, 1923

Hostimella hostimensis

Thamnocladus

Diplosaurus Marsh, 1877

Chosonodina Müller, 1964

Laurentoscandodus triangularis (Furnish, 1938)

Aloxoconus Smith, 1991

Loxodus Furnish, 1938

Rusophycus J.Hall, 1852

Teichichnus Seilacher, 1955

Planolites beverleyensis (Billings, 1862)

Rotaliida

Echinoidea

Cooksonia hemisphaerica

Ginkgophytopsis

Cretalamna appendiculata (Agassiz, 1835)

Orectolobiformes

Hostimella

Brachydactylopus Toepleman & Rodeck, 1936

Limnopus Marsh, 1894

Limnoscelops Lewis & Vaughn, 1965

Yarravia gorelovii

Genselia

Gnetopsis

Neuropteris aniqua

Rhodeopteridium

Lepidodendropsis scobiniformis

Yarravia

Ophiomorpha Szépligeti, 1905

Palaeophycus J.Hall, 1847

Paleomeandron Peruzzi, 1881

Bunyerichnus Glaessner, 1969

Halopoa Torell, 1869

Taenidium O.Heer

Chonetes granulifer (Owen, 1852)

Cruziana A.d'Orbigny, 1842

Didymaulichnus lyelli Rouault, 1850

Gordia marina (Emmons, 1844)

Halopoa imbricata Torell, 1869

Isopodichnus problematicus Schindewolf, 1928

Margaritichnus Bandel, 1973

Phycodes circinatus Richter, 1850

Planolites Nicholson, 1873

Treptichnus bifurcus Miller, 1889

Protorthoptera

Wyattia reedensis Taylor, 1966

Lingulata

Naked Axis

Trypanites Mägdefrau, 1932

Chelonia Harlan, 1842

Collenia

Cryptozoon occidentalis

Girvanella

Zeacrinites Burdick & Strimple, 1971

Mollusca indet.

Ammonoidea indet.

Plantae indet.

Gastropoda indet.

Bivalvia indet.

Bryozoa indet.

Scaphopoda indet.

Decapoda indet.

Brachiopoda indet.

Sessilia indet.

Echinoidea indet.

Venerida indet.

Annelida indet.

Ostreida indet.

Arcida indet.

Pteriida indet.

Vetigastropoda indet.

Porifera indet.

Asteroidea indet.

Spatangoida indet.

Cnidaria indet.

Arthropoda indet.

Animalia indet.

Calcibacunculus tenuis Pierce, 1951

Crinoidea indet.

Sorbeoconcha indet.

Nautiloidea indet.

Anthozoa indet.

Miotroctes rousei Pierce, 1960

Pectinida indet.

Cyclostomata indet.