Central Taxonomic Thesaurus

Taxon Search
  Animalia
      Mollusca
            Gastropoda
                    Pulmonata
                            Lymnaeidae
                                     Acella
                                     Bulimnaea
                                     Erinna
                                     Fisherola
                                     Fossaria
                                     Lanx
                                     Lymnaea
                                     Pseudosuccinea
                                     Radix
                                     Stagnicola