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Organism
  Animalia
         [Metazoa]
      Mollusca
            Bivalvia
                   [Conchifera]
                   [Lamellibranchiata]
                   [Pelecypoda]
              Autobranchia
               Pteriomorphia
                    Ostreida
                           [Pteriida]
                          Pterioidea
                                 [Pteriacea]
                            Cassianellidae
                                     Cassianella
                                             Cassianella cordillerana