[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
               1 Cohort Microgyniina Trägårdh, 1942 see Suborder Microgyniina Trägårdh, 1942
               2 Cohort Heatherellina Lindquist, Krantz & Walter, 2009 [monotypic] see Hyporder Epicriiae Vitzthum, 1938
               3 Cohort Uropodoidea "Kramer, 1881", orth. inval. see Cohort Uropodina Kramer, 1881
               4 Cohort Heterozerconina see Superfamily Heterozerconoidea Berlese, 1892
               5 Cohort Gamasina Kramer, 1881 see Infraorder Gamasina Kramer, 1881