Central Taxonomic Thesaurus
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Organism
  Animalia
         [Metazoa]
      Mollusca
            Gastropoda
              Caenogastropoda
                    Neogastropoda
                           [Stenoglossa]
                          Turbinelloidea
                            Ptychatractidae
                                     Egestas
                                             Egestas waitei
                                     Exilia
                                           [Chathamidia]
                                           [Mesorhytis]
                                           [Mitraefusus]
                                           [Phenacoptygma]
                                           [Surculina]
                                             Exilia claydoni
                                                   [Benthovoluta claydoni]
                                             Exilia gracilior
                                                   [Benthovoluta gracilior]
                                             Exilia hilgendorfi
                                                   [Benthovoluta hilgendorfi]
                                             Exilia krigei
                                                   [Benthovoluta krigei]
                                             Exilia prellei
                                                   [Benthovoluta prellei]
                                     Exilioidea
                                             Exilioidea kelseyi
                                             Exilioidea rectirostris
                                                   [Chrysodomus rectirostris]
                                                   [Plicifusus obsoletus]
                                             Exilioidea rufocaudata
                                     Metzgeria
                                             Metzgeria alba
                                             Metzgeria californica
                                             Metzgeria montereyana
                                     Ptychatractus
                                             Ptychatractus ligatus
                                             Ptychatractus occidentalis
                                             Ptychatractus youngi
This project is supported by the National Science Foundation's Division of Environmental Biology through an award titled "Advancing Revisionary Taxonomy and Systematics: Integrative Research and Training in Tropical Taxonomy" (DEB-1456674). Any opinions, findings, and conclusions or recommendations expressed on this website are those of the authors and do not necessarily reflect the views of the National Science Foundation.