[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 Trombidiformes Reuter, 1909 see Order Trombidiformes Reuter, 1909
             Infraorder Prostigmata Kramer, 1877 see Suborder Prostigmata Kramer, 1877
               Supercohort Eleutherengonides Oudemans, 1909 see Infraorder Eleutherengona Oudemans, 1909
                 Cohort Raphignathina Kethley, 1982 see Hyporder Raphignathina Kethley, 1982
                   Superfamily Raphignathoidea Kramer, 1877
                     01 Family Barbutiidae Robaux, 1975 [monotypic]
                     02 Family Caligonellidae Grandjean, 1944
                     03 Family Camerobiidae Southcott, 1957 [monotypic]
                     04 Family Cryptognathidae Oudemans, 1902
                     05 Family Dasythyreidae Walter & Gerson, 1998
                     06 Family Eupalopsellidae Willmann, 1952
                     07 Family Homocaligidae Wood, 1969
                     08 Family Mecognathidae Gerson & Walter, 1998
                     09 Family Raphignathidae Kramer, 1877
                     10 Family Stigmaeidae Oudemans, 1931 [monotypic]
                     11 Family Xenocaligonellididae Gonzalez, 1978