| Subfamily | Parasitinae
Oudemans, 1901
| 9
304 | Genera
Species |
| Subfamily | Pergamasinae
Juvara-Bals, 1976
| 5
209 | Genera
Species |
| Genus | Aceocarpais
Athias-Henriot, 1978 ⇒ Paracarpais
| 0 | Species |
| Genus | Aclerogamasus ♰
Athias, 1971
| 4 | Species |
| Genus | Amblygamasus
Berlese, 1903 ⇒ Pergamasus
| 19 | Species |
| Genus | Anadenosternum
C. Athias-Henriot, 1980
| 4 | Species |
| Genus | Anchigamasus ⇒ Pergamasus
| 0 | Species |
| Genus | Anidogamasus ⇒ Pergamasus
| 0 | Species |
| Genus | Bacuterus
Karg, 1998 ⇒ Parasitus
| 0 | Species |
| Genus | Breviperigamasus
Juvara-Bals, 1981 ⇒ Leptogamasus
| 0 | Species |
| Genus | Camasus
Leonardi, 1900 ⇒ Gamasus
| 0 | Species |
| Genus | Carpaidion
C. Athias-Henriot, 1979
| 2 | Species |
| Genus | Coleogamasus
Tikhomirov, 1969 ⇒ Parasitus
| 0 | Species |
| Genus | Colpothylax
C. Athias-Henriot, 1980
| 1 | Species |
| Genus | Cornigamasus
G. O. Evans & W. M. Till, 1979
| 10 | Species |
| Genus | Dicrogamasus
C. Athias-Henriot, 1980
| 3 | Species |
| Genus | Dyogamasus ⇒ Pergamasus
| 0 | Species |
| Genus | Dyoneogamasus ♰
Athias-Henriot, 1979 ⇒ Parasitus
| 0 | Species |
| Genus | Erithosoma
C. Athias-Henriot, 1979
| 1 | Species |
| Genus | Ernogamasus
Athias Henriot, 1971
| 2 | Species |
| Genus | Eteocarpais
Athias-Henriot, 1978 ⇒ Paracarpais
| 0 | Species |
| Genus | Eugamasus
Berlese, 1892
| 60 | Species |
| Genus | Gamasus
Latreille, 1802 ⇒ Parasitus
| 137 | Species |
| Genus | Gammasus
Leach, 1815 ⇒ Gamasus
| 0 | Species |
| Genus | Gamnasus
Bohnensieg, 1873 ⇒ Gamasus
| 0 | Species |
| Genus | Gigacarpais
Athias-Henriot, 1978 ⇒ Paracarpais
| 0 | Species |
| Genus | Haemagamasus
Banks, 1905 ⇒ Haemogamasus
| 0 | Species |
| Genus | Holoperigamasus
Juvara-Bals, 1981 ⇒ Leptogamasus
| 0 | Species |
| Genus | Holzmannia
Juvara-Bals, 2002 ⇒ Ologamasiphis
| 0 | Species |
| Genus | Leptogamasus
Trägårdh, 1936
| 47 | Species |
| Genus | Lysigamasus ♰
Karg, 1971 ⇒ Pergamasus
| 24 | Species |
| Genus | Medioparasitus ♰
Juvara-Bals, 2002 ⇒ Heteroparasitus
| 0 | Species |
| Genus | Meriadenogamasus
Athias-Henriot, 1973 ⇒ Pergamasus
| 0 | Species |
| Genus | Mixogamasus
Juvara-Bals, 1972
| 1 | Species |
| Genus | Paracarpais
C. Athias-Henriot, 1978
| 8 | Species |
| Genus | Paragamasus
Hull, 1918
| 50 | Species |
| Genus | Pergamasellus
Evans, 1957
| 1 | Species |
| Genus | Phityogamasus
Juvara-Bals & Athias-Henriot, 1972 ⇒ Pergamasus
| 1 | Species |
| Genus | Phorytocarpais
Athias-Henriot, 1979 ⇒ Parasitus
| 13 | Species |
| Genus | Physoparasitus
Blackman & Evans, 1994 ⇒ Poecilochirus
| 0 | Species |
| Genus | Phytiogamasus
Juvara-Bal? & Athias-Henriot, 1972
| 1 | Species |
| Genus | Plesiogamasus
| 4 | Species |
| Genus | Plysigamasus
| 1 | Species |
| Genus | Porrhostapsis
Müller, 1859
| 0 | Species |
| Genus | Psilogamasus ♰
Athias-Henriot, 1969
| 2 | Species |
| Genus | Rhabdocarpais
Athias-Henriot, 1981
| 8 | Species |
| Genus | Schizosthetus
C. Athias-Henriot, 1982
| 3 | Species |
| Genus | Taiwanoparasitus
Tseng, 1995
| 3 | Species |
| Genus | Thalassogamasus
Makarova, 2019
| 2 | Species |
| Genus | Thenargamasus ⇒ Pergamasus
| 0 | Species |
| Genus | Triadogamasus ⇒ Pergamasus
| 0 | Species |
| Genus | Valigamasus
Karg, 1993
| 0 | Species |
| Genus | Vulgarogamasas
| 0 | Species |
| Genus | Vulgarogamasus
Tichomirov, 1969
| 42 | Species |
| Genus | Zelogamasus
M. K. Hennessey & M. H. Farrier, 1989
| 1 | Species |
