[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 Anystides van der Hammen, 1972 see Infraorder Anystina van der Hammen, 1972
                 Cohort Parasitengona Oudemans, 1909 - chiggers, velvet mites, water mites, and their relatives see Hyporder Parasitengona Oudemans, 1909
                   Subcohort Hydracarnidiae Dunlop, Penney & Jekel, 2010, orth. inval. see Subcohort Hydrachnidiae
                     Superfamily Lebertoidea "Thor, 1900", orth. inval. see Superfamily Lebertioidea Thor, 1900
                       01 Family Acucapitidae Wiles, 1996
                       02 Family Anisitsiellidae Koenike, 1910
                       03 Family Bandakiopsidae Panesar, 2004
                       04 Family Lebertiidae Thor, 1900
                       05 Family Nilotoniidae Viets, 1929 see Subfamily Nilotoniinae Viets, 1929
                       06 Family Oxidae Viets, 1926
                       07 Family Rutripalpidae Sokolow, 1934
                       08 Family Sperchontidae Thor, 1900
                       09 Family Stygotoniidae Cook, 1992
                       10 Family Teutonidae Koenike, 1910 see Family Teutoniidae Koenike, 1910
                       11 Family Torrenticolidae Piersig, 1902