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  Animalia
      Arthropoda
        Chelicerata
            Arachnida
              Acari
                     [Acarina]
                  Acariformes
                    Sarcoptiformes
                      Oribatida
                             [Oribatei]
                        Brachypylina
                          Oripodoidea
                            Pirnodidae
                                     Cryptoribatula
                                             Cryptoribatula euaensis
                                             Cryptoribatula taishanensis
                                     Huarpescopes
                                             Huarpescopes cryophilus
                                     Pirnodus
                                             Pirnodus andinus
                                             Pirnodus detectidens
                                             Pirnodus soyeri