| Suborder | Arctacarina
| 0
0
0 | Families
Genera
Species |
| Suborder | Dermanyssina
| 0
0
0 | Families
Genera
Species |
| Suborder | Microgyniina
Tragardh, 1942
| 0
0
0 | Families
Genera
Species |
| Suborder | Monogynaspida
Camin & Gorirossi, 1955
| 94
1343
20691 | Families
Genera
Species |
| Suborder | Parasitina
Reuter, 1909
| 0
0
0 | Families
Genera
Species |
| Suborder | Sejina
Kramer, 1885
| 4
17
167 | Families
Genera
Species |
| Suborder | Trigynaspida
Camin & Gorirossi, 1955 ⇒ Pyrosejidae
| 31
130
345 | Families
Genera
Species |
| Family | Aenicteguidae
Kethley, 1977 ⇒ Aenictequidae
| 1
1 | Genus
Species |
| Family | Bulbogamasidae
Wang & Duan, 1991 ⇒ Pachylaelapidae
| 1
1 | Genus
Species |
| Family | Circocyllibamidae
Sellnick, 1926
| 1
11 | Genus
Species |
| Family | Cropodidae
accepted as Uropodidae Kramer, 1881
| 0
0 | Genera
Species |
| Family | Cyrtolaelapidae
| 0
0 | Genera
Species |
| Family | Digamaseilidae
Evans, 1957
| 0
0 | Genera
Species |
| Family | Digmasellidae
accepted as Digamasellidae Evans, 1956 ⇒ Digamasellidae
| 0
0 | Genera
Species |
| Family | Dwigubskyiidae
Vitzthum, 1941
| 1
1 | Genus
Species |
| Family | Euryparasitidae
L. M. M. K. dAntony, 1987
| 1
0 | Genus
Species |
| Family | Gamasidae
Oudemans, 1901 ⇒ Parasitidae
| 0
0 | Genera
Species |
| Family | Gamasolaelaptidae
Oudemans, 1939
| 0
0 | Genera
Species |
| Family | Ichthyosomatogasteridae
accepted as Ichthyostomatogasteridae Sellnick, 1953 ⇒ Ichthyostomatogasteridae
| 0
0 | Genera
Species |
| Family | Liroaspididae
Trägårdh, 1946
| 0
0 | Genera
Species |
| Family | Megalolaelapidae
| 1
5 | Genus
Species |
| Family | Metagynellidae
Camin, 1953 ⇒ Metagynuridae
| 0
0 | Genera
Species |
| Family | Microsejidae
Trägårdh, 1942
| 0
0 | Genera
Species |
| Family | Neoparasitidae
Oudemans, 1939
| 0
0 | Genera
Species |
| Family | Ologamasiidae
accepted as Ologamasidae Ryke, 1962 ⇒ Ologamasidae
| 0
0 | Genera
Species |
| Family | Panteniphididae
L. M. M. K. dAntony, 1987
| 1
2 | Genus
Species |
| Family | Parholaspidae
Krantz, 1960
| 0
0 | Genera
Species |
| Family | Pelorocelaenopsidae
accepted as Megacelaenopsidae R.C. Funk, 1975 ⇒ Megacelaenopsidae
| 0
0 | Genera
Species |
| Family | Phytoseidae
accepted as Phytoseiidae Berlese, 1916
| 0
0 | Genera
Species |
| Family | Pneumophionyssidae
Fonseca, 1940
| 0
0 | Genera
Species |
| Family | Poecilochiridae
Willmann, 1940
| 0
0 | Genera
Species |
| Family | Polyaspidae
Berlese, 1913 ⇒ Polyaspididae
| 1
2 | Genus
Species |
| Family | Polyaspidiidae
Zoological Record accepted as Polyaspididae Berles, 1913
| 0
0 | Genera
Species |
| Family | Pseudolaelapidae
Evans & Till, 1966
| 0
0 | Genera
Species |
| Family | Saprogamasidae
Willmann, 1949 ⇒ Parasitinae
| 0
0 | Genera
Species |
| Family | Trematurellidae
Trägårdh, 1944
| 0
0 | Genera
Species |
| Family | Trichoaspididae
Gu, Wang & Li, 1991
| 1
2 | Genus
Species |
| Family | Uronyssidae
Halliday, 2006
| 0
0 | Genera
Species |
| Family | Veigaiaidae
accepted as Veigaiidae Oudemans, 1939
| 0
0 | Genera
Species |
| Family | Veigaidae
accepted as Veigaiidae Oudemans, 1939
| 0
0 | Genera
Species |
| Genus | Amazoniaseius
| 1 | Species |
| Genus | Origmatrachys
| 1 | Species |
| Genus | Shimbulla
Kontschán, 2006
| 0 | Species |
