| Tretioscincus | |
|---|---|
 | |
| Tretioscincus oriximinensis | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Family: | Gymnophthalmidae |
| Tribe: | Gymnophthalmini |
| Genus: | Tretioscincus Cope, 1862 |
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
