[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       [Subclass] Acari Leach, 1817 - mites and ticks
         [Order] Acariformes Zakhvatkin, 1952 see Superorder Acariformes Zakhvatkin, 1952
           Suborder Sarcoptiformes Reuter, 1909 see Order Sarcoptiformes Reuter, 1909
             Infraorder Endeostigmata Grandjean, 1937 see Suborder Endeostigmata Grandjean, 1937
               Cohort Terpnacarina see Infraorder Terpnacarida OConnor, 1984
                 Superfamily Terpnacaroidea Grandjean, 1939 [monotypic]
                   Family Terpnacaridae Grandjean, 1939