Central Taxonomic Thesaurus
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  Animalia
      Arthropoda
        Crustacea
            Ostracoda
              Podocopa
                    Podocopida
                      Cytherocopina
                          Cytheroidea
                            Cushmanideidae
                                     Cushmanidea
                                             Cushmanidea cristifera
                                             Cushmanidea pauciradialis
                                             Cushmanidea seminuda
                                     Pontocythere
                                             Pontocythere americana
                                             Pontocythere ashermani
                                             Pontocythere dahlgrenensis
                                             Pontocythere echolsae
                                             Pontocythere elongata
                                                   [Cushmanidea elongata]
                                             Pontocythere glabra
                                             Pontocythere jefferiesensis
                                             Pontocythere rugipustulosa
                                             Pontocythere sandersi
                                             Pontocythere sclerochilus
                                             Pontocythere sulcata