Central Taxonomic Thesaurus

Taxon Search
Organism
  Animalia
      Mollusca
            Gastropoda
              Heterobranchia
                Euthyneura
                 Tectipleura
                  Hygrophila
                          Lymnaeoidea
                            Planorbidae
                              Planorbinae
                                Helisomatini
                                     Biomphalaria
                                             Biomphalaria peregrina