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Organism
  Animalia
      Mollusca
            Bivalvia
                    Arcida
                          Arcoidea
                            Arcidae
                                     Acar
                                     Barbatia
                                             Barbatia domingensis
                                                   [Acar domingensis]
                                     Bentharca
                                             Bentharca asperula
                                                   [Acar hawaiensis]