Najash
| Najash Temporal range: Late Cretaceous,  | |
|---|---|
| Sacral region of the holotype of the “legged snake” Najash rionegrina | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Order: | Squamata | 
| Clade: | Ophidia | 
| Genus: | †Najash Apesteguía & Zaher, 2006 | 
| Type species | |
| Najash rionegrina Apesteguía & Zaher, 2006 | |
Najash is an extinct genus of basal snake from the Late Cretaceous Candeleros Formation of Patagonia. Like a number of other Cretaceous and living snakes it retained hindlimbs, but Najash is unusual in having well-developed legs that extend outside the rib cage, and a pelvis connected to the spine.