living organisms
   Superkingdom Eukaryotae
     Kingdom Animalia [Linnaeus, 1758]
       Subkingdom Eumetazoa [Butschli, 1910]
         Phylum Arthropoda [Siebold, 1848]
           Subphylum Chelicerata [Heymons, 1901]
             Class Arachnida [Lamarck, 1801]
               Subclass Acari [Leach, 1817]
                 Order Acariformes [Zakhvatkin, 1952]
                   Suborder Prostigmata [Kramer, 1877]
                     Cohort Parasitengona [Oudemans, 1909]
                       Superfamily Stygothrombioidea [Thor, 1935]
                         Family Stygothrombiidae [Thor, 1935]