[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 Dermanyssoidea Kolenati, 1859 - poultry mites, nasal mites, bird mites, and rat mites
                     01 Family Dasyponyssidae Fonseca, 1940
                     02 Family Dermanyssidae Kolenati, 1859
                     03 Family Entonyssidae Ewing, 1923
                     04 Family Haemogamasidae Oudemans, 1926
                     05 Family Halarachnidae Oudemans, 1906
                     06 Family Hirstionyssidae Evans & Till, 1966 see Subfamily Hirstionyssinae Evans & Till, 1966
                     07 Family Hystrichonyssidae Keegan, Yunker & Baker, 1960
                     08 Family Iphiopsididae Kramer, 1886
                     09 Family Ixodorhynchidae Ewing, 1923
                     10 Family Laelapidae Berlese, 1892 [monotypic]
                     11 Family Larvamimidae Elzinga, 1993
                     12 Family Leptolaelapidae Karg, 1978
                     13 Family Macronyssidae Oudemans, 1936
                     14 Family Manitherionyssidae Radovsky & Yunker, 1971
                     15 Family Omentolaelaptidae Fain, 1961, orth. inval. see Family Omentolaelapidae Fain, 1961
                     16 Family Pneumophionyssidae Fonseca, 1940 see Family Entonyssidae Ewing, 1923
                     17 Family Raillietiidae Vitzthum, 1942
                     18 Family Rhinonyssidae Trouessart, 1895
                     19 Family Spelaeorhynchidae Oudemans, 1902
                     20 Family Spinturnicidae Oudemans, 1902
                     21 Family Trichoaspididae Gu, Wang & Li, 1991
                     22 Family Varroidae Delfinado & Baker, 1974