Taxon Search
Organism
  Animalia
    Bilateria
     Protostomia
     Ecdysozoa
      Arthropoda
        Hexapoda
            Insecta
              Pterygota
                Palaeoptera
                       [Paleoptera]
                    Ephemeroptera
                      Furcatergalia
                        Scapphodonta
                          Ephemeroidea
                            Polymitarcyidae
                                    Campsurus
                                            Campsurus cuspidatus
                                            Campsurus decoloratus
                                                   [Hexagenia decolorata]
                                            Campsurus emersoni
                                            Campsurus latipennis
                                            Campsurus notatus
                                    Ephoron
                                            Ephoron album
                                                   [Polymitarcys albus]
                                            Ephoron leukon
                                    Polymitarcys
                                    Tortopus
                                            Tortopus bellus
                                            Tortopus circumfluus
                                            Tortopus igaranus
                                            Tortopus primus
                                                   [Campsurus manitobensis]
                                                   [Campsurus primus]
                                                   [Tortopus manitobensis]
                                            Tortopus puella
                                                   [Campsurus incertus]
                                                   [Campsurus puella]
                                                   [Tortopus incertus]
                                            Tortopus unguiculatus
                                                   [Campsurus unguiculatus]