Ctenotus is a genus of skinks (family Scincidae). The genus belongs to a clade in the Sphenomorphus group which contains such genera as Anomalopus and the close relatives Eulamprus and Gnypetoscincus. Lizards in the genus Ctenotus are commonly called comb-eared skinks, a reference to the scales aligned near the ear. Ctenotus lizards are able to move very quickly, disappearing whilst being observed. They are highly active in their habits, foraging amongst a diverse range of habitat.