Thadeosaurus
| Thadeosaurus Temporal range: Late Permian, | |
|---|---|
| Speculative life restoration | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Diapsida |
| Clade: | Neodiapsida |
| Family: | †Younginidae |
| Genus: | †Thadeosaurus Carroll, 1981 |
| Type species | |
| †Thadeosaurus colcanapi Carroll, 1981 | |
Thadeosaurus is an extinct genus of diapsid reptiles from the late Permian Lower Sakamena Formation (Sakamena Group) of Madagascar. The genus contains a single species, Thadeosaurus colcanapi, known from several specimens preserved as natural molds.