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Organism
  Animalia
      Mollusca
            Gastropoda
              Caenogastropoda
                    Neogastropoda
                            Fasciolariidae
                              Fasciolariinae
                                     Latirus
                                     Leucozonia
                                             Leucozonia rudis
                              Peristerniinae
                                     Opeatostoma
                                             Opeatostoma pseudodon
                                     Pustulatirus
                                             Pustulatirus mediamericanus
                                             Pustulatirus sanguineus