Central Taxonomic Thesaurus

Taxon Search
  Animalia
      Mollusca
            Gastropoda
                    Sorbeochoncha
                            Pachychilidae
                                     Elimia
                                     Gyrotoma
                                     Io
                                     Juga
                                     Leptoxis
                                     Lithasia
                                     Pleurocera