[Phylum] [Arthropoda] Siebold, 1848 - arthropods
   Chelicerata Heymons, 1901
     Euchelicerata Weygoldt & Paulus, 1979
       [Subclass] Acari Leach, 1817 - mites and ticks
         [Order] Parasitiformes Reuter, 1909 see Superorder Parasitiformes Reuter, 1909
           Suborder Mesostigmata Canestrini, 1891 see Order Mesostigmata Canestrini, 1891
             Infraorder Monogynaspida Camin & Gorirossi, 1955 see Suborder Monogynaspida Camin & Gorirossi, 1955
               Cohort Gamasina Kramer, 1881 see Infraorder Gamasina Kramer, 1881
                 Subcohort Dermanyssiae Evans & Till, 1979 see Hyporder Dermanyssiae Evans & Till, 1979
                   Superfamily Ascoidea Voigts & Oudemans, 1905
                     1 Family Ameroseiidae Evans, 1961
                     2 Family Ascidae Voigts & Oudemans, 1905
                     3 Family Halolaelapidae Karg, 1965
                     4 Family Melicharidae Hirschmann, 1962
                     5 Family Podocinidae Berlese, 1913