Genus Gamasellus Berlese, 1892
Cyrtolaelaps (Gamasellus) Berlese, 1892f: 61 .
Gamasellus .— Berlese, 1906: 101, 1917: 5; Vitzthum, 1931a: 142; 1943: 758; Baker & Wharton, 1952: 64; Lee, 1970: 129; Karg, 1971: 350; 1993c: 370; Bregetova & Shcherbak, 1977: 299; Davydova, 1982: 5.
Cyrtolaelaps (Gamasellus) .— Ryke, 1962a: 14; 1962b: 157.
Type species: Gamasus falciger G. & R. Canestrini, 1881, by subsequent designation (Berlese, 1906: 101).
Gamasellus (Eurysellus) Davydova, 1982: 32 .
Type species: Gamasellus silvestris Halašková, 1958, by original designation.
Gamasellus (Brevisellus) Davydova, 1982: 60 .
Type species: Gamasellus vibrissatus Emberson, 1967, by original designation.