Central Taxonomic Thesaurus

Taxon Search
  Plantae
      Magnoliophyta
             [Angiospermae]
         Eudicots
             Core Eudicots
               Rosids
               Malvids
                    Malvales
                            Malvaceae
                                     Pterygota
                Palaeoptera
                    Ephemeroptera
                      Setisura
                            Heptageniidae
                                     Acanthomola
                                     Anepeorus
                                     Cinygma
                                     Cinygmula
                                     Ecdyonurus
                                     Epeorus
                                     Heptagenia
                                     Iron
                                     Ironodes
                                     Ironopsis
                                     Leucrocuta
                                     Maccaffertium
                                     Macdunnoa
                                     Nixe
                                     Raptoheptagenia
                                     Rhithrogena
                                     Spinadis
                                     Stenacron
                                     Stenonema