Tethysaurus
| Tethysaurus Temporal range: Late Cretaceous,  | |
|---|---|
| Tethysaurus skeleton | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Order: | Squamata | 
| Clade: | †Mosasauria | 
| Family: | †Mosasauridae | 
| Clade: | †Russellosaurina | 
| Subfamily: | †Tethysaurinae | 
| Genus: | †Tethysaurus Bardet, Pereda-Suberbiola & Jalil, 2003 | 
| Type species | |
| †Tethysaurus nopcsai Bardet, Pereda-Suberbiola & Jalil, 2003 | |
Tethysaurus is an extinct genus of tethysaurine mosasauroid from the Early Turonian (Late Cretaceous) period. The only species is Tethysaurus nopcsai.