Taxonomic Filter:
Taxa Count: 7
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