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Organism
  Animalia
      Mollusca
            Gastropoda
              Heterobranchia
                Euthyneura
                 Tectipleura
                  Eupulmonata
                    Stylommatophora
                      Helicina
                        Arionoidei
                          Arionoidea
                            Philomycidae
                                     Megapallifera
                                             Megapallifera mutabilis
                                     Pallifera
                                             Pallifera fosteri
                                     Philomycus
                                             Philomycus carolinianus