Genus Rykellus Lee, 1970

Rykellus Lee, 1970: 126 .

Rykellus .— Karg & Schorlemmer, 2009: 69; Karg & Schorlemmer, 2013: 203 Type species: Cyrtolaelaps (Gamasellus) darglensis Ryke, 1962, by original designation.

Diagnosis (adult female). Within the Ologamasidae, Rykellus species are characterized by having podonotal and opisthonotal shields fused along a distinct, complete V-shaped line; holodorsal shield not fused to ventrianal shield; peritrematic shield fused posteriorly with exopodal shield near coxa IV, being the connection behind stigma wider than peritreme.