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  Animalia
      Arthropoda
        Chelicerata
            Arachnida
              Acari
                     [Acarina]
                  Acariformes
                    Trombidiformes
                      Prostigmata
                            Sperchonidae
                                     Sperchon
                                             Sperchon avimontis
                                             Sperchon brevirostris
                                               Sperchon brevirostris brevirostris
                                               Sperchon brevirostris scabriosus
                                             Sperchon crassipalpis
                                             Sperchon decorellus
                                             Sperchon glandulosus
                                               Sperchon glandulosus canadensis
                                               Sperchon glandulosus glandulosus
                                               Sperchon glandulosus subaurens
                                             Sperchon jasperensis
                                             Sperchon longirostris
                                             Sperchon mitchelli
                                             Sperchon parmatus
                                             Sperchon parvus
                                             Sperchon plumifer
                                               Sperchon plumifer acadiensis
                                               Sperchon plumifer plumifer
                                             Sperchon squamosus
                                             Sperchon tenuipalpis
                                             Sperchon triscutatus
                                             Sperchon undulopusillus
                                     Sperchonopsis
                                             Sperchonopsis ecphyma
                                             Sperchonopsis ovalis
                                             Sperchonopsis verrucosa