Notomabuya is a genus of skinks. It contains one species, Notomabuya frenata, which is found in South America (Brazil, Bolivia, Paraguay, and northeast Argentina.

Characteristics: This species is viviparous and shows sexual dimorphism in body size, with adults females being bigger than males.

Ecology: N. frenata is a diurnal and viviparous species, and its diet is composed mainly by small arthropods, although preying in another smaller lizards and even cannibalism were already registered.