Class | Arachnida Lamarck, 1801 Arachnids | 1342 20133 198818 | Families Genera Species |
Subclass | Micrura Ehrenberg, 1831
| 1080 16061 173944 | Families Genera Species |
Infraclass | Acari Nitzsch, 1818 Mites and Ticks | 798 8977 91345 | Families Genera Species |
Superorder | Parasitiformes Reuter, 1909 Mites, Ticks | 172 1699 24111 | Families Genera Species |
Order | Mesostigmata Canestrini, 1891 Free-living predatory mites, Mesostigs, Mites | 162 1502 21230 | Families Genera Species |
Suborder | Monogynaspida Camin & Gorirossi, 1955
| 94 1343 20691 | Families Genera Species |
Infraorder | Gamasina Leach, 1815
| 50 1094 16245 | Families Genera Species |
| Group | Dermanyssiae Evans & Till, 1979
| 45 962 14344 | Families Genera Species |
Superfamily | Ascoidea Voigts & Oudemans, 1905
| 9 313 6265 | Families Genera Species |