Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Subphylum Chelicerata Heymons, 1901
       Class Arachnida Lamarck, 1801
         Superorder Acariformes Zakhvatkin, 1952 - mitelike mites
           Order Trombidiformes Reuter, 1909
             Suborder Prostigmata Kramer, 1877
               Infraorder Anystina van der Hammen, 1972
                 Hyporder Parasitengona Oudemans, 1909
                   Superfamily Trombiculoidea Ewing, 1929
                     1 Family Johnstonianidae Thor, 1935
                     2 Family Neotrombidiidae Feider, 1955
                     3 Family Trombellidae Thor, 1935
                     4 Family Leeuwenhoekiidae Womersley, 1944
                     5 Family Trombiculidae Ewing, 1929 - chiggers
                     6 Family Walchiidae Ewing, 1946 see Family Trombiculidae Ewing, 1929
                     7 Family Audyanidae Southcott, 1987