Tretioscincus

The genus Tretioscincus contains 3 species which are recognized as being valid.
 * Tretioscincus agilis (Ruthven, 1916) – smooth tegu
 * Tretioscincus bifasciatus (Duméril, 1851) – Rio Magdalena tegu
 * Tretioscincus oriximinensis Avila-Pires, 1995 – Oriximina lizard