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Organism
  Animalia
      Mollusca
            Gastropoda
              Heterobranchia
                Euthyneura
                 Tectipleura
                  Eupulmonata
                    Stylommatophora
                      Helicina
                        Helicoidei
                          Helicoidea
                            Helicidae
                              Helicinae
                                Allognathini
                                     Cepaea
                                             Cepaea nemoralis
                                Helicini
                                     Helix
                                             Helix pomatia
                                Thebini
                                     Cornu
                                             Cornu aspersum
                                     Otala
                                             Otala lactea