Taxon Search
Last Universal Common Ancestor
  Animalia
      Mollusca
            Gastropoda
                    Basommatophora
                            Physidae
                                    Aplexa
                                            Aplexa elongata
                                            Aplexa hypnorum
                                    Physa
                                            Physa acuta
                                                   [Physa integra]
                                            Physa gyrina
                                            Physa jennessi
                                    Physella
                                            Physella globosa
                                            Physella gyrina
                                            Physella heterostropha
                                            Physella integra
                                            Physella laphrami
                                            Physella sayi
                                            Physella vinosa