| Classe | Ordre | Famille |
| ARACHNIDA | Mesostigmata Canestrini, 1891 | Ameroseiidae Evans, 1961 |
| | | Blattisociidae Garman, 1948 |
| | | Dermanyssidae Kolenati, 1859 |
| | | Dermanyssoidea |
| | | Epicriidae Berlese, 1885 |
| | | Gamasina |
| | | Laelapidae Berlese, 1892 |
| | | Macrochelidae Vitzthum, 1930 |
| | | Macronyssidae Oudemans, 1936 |
| | | Metagynuridae Balogh, 1943 |
| | | Ologamasidae Ryke, 1962 |
| | | Parasitidae Oudemans, 1901 |
| | | Phytoseiidae Berlese, 1916 |
| | | Podocinidae Berlese, 1913 |
| | | Polyaspididae Berlese, 1913 |
| | | Sejidae Berlese, 1885 |
| | | Spinturnicidae Oudemans, 1901 |
| | | Trematuridae Berlese, 1917 |
| | | Urodinychidae Berlese, 1917 |
| | | Uropodidae Kramer, 1881 |
| | | Uropodoidea |
| | | Varroidae Delfinado & Baker, 1974 |
| | | Veigaiidae Oudemans, 1939 |
| | | Zerconidae Berlese, 1892 |
