Central Taxonomic Thesaurus

Taxon Search
  Animalia
      Mollusca
            Bivalvia
              Autobranchia
                Heteroconchia
                 Palaeoheterodonta
                    Unionida
                          Unionoidea
                            Unionidae
                              Ambleminae
                                Lampsilini
                                     Ligumia
                                             Ligumia couesi
                                                   [Unio couesi]
                                Pleurobemini
                                     Elliptio
                                             Elliptio washakiensis
                                                   [Unio washakiensis]
                                     Plethobasus
                                             Plethobasus aesopiformis
                                                   [Unio aesopiformis]
                                     Pleurobema
                                             Pleurobema cryptorhynchus
                                                   [Unio cryptorhynchus]
                                Quadrulini
                                     Proparreysia
                                             Proparreysia barnumi
                                                   [Unio browni]
                                             Proparreysia corbiculoides
                                                   [Unio corbiculoides]
                                             Proparreysia holmesiana
                                                   [Unio holmesianus]
                                             Proparreysia letsoni
                                                   [Unio letsoni]
                                             Proparreysia percorrugata
                                                   [Unio percorrugata]
                                             Proparreysia pyramidatoides
                                                   [Unio pyramidatoides]
                                             Proparreysia pyramidella
                                                   [Unio pyramidellus]
                                             Proparreysia retusoides
                                                   [Unio retusoides]
                                             Proparreysia verrucosiformis
                                                   [Unio verrucosiformis]
                                     Protamblema
                                             Protamblema belliplicata
                                                   [Unio belliplicatus]
                                     Plesielliptio
                                             Plesielliptio brachyopisthus
                                                   [Unio brachyopisthus]
                                             Plesielliptio postbiplicatus
                                                   [Unio postbiplicata]
                                             Plesielliptio priscus
                                                   [Unio priscus]
                                             Plesielliptio stantoni
                                                   [Unio gibbosoides]
                                                   [Unio stantoni]
                                             Plesielliptio vetustus
                                                   [Unio vetustus]
                                     Rhabdotophorus
                                             Rhabdotophorus senectus
                                                   [Unio senectus]
                              Unioninae
                                Anodontini
                                     Anodonta
                                             Anodonta propatoris
                                Unionini
                                     Unio