| Najash Temporal range: Late Cretaceous,
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|---|---|
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| Sacral region of the holotype of the “legged snake” Najash rionegrina | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Clade: | Ophidia |
| Genus: | †Najash Apesteguía & Zaher, 2006 |
| Type species | |
| Najash rionegrina Apesteguía & Zaher, 2006
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Najash is an extinct genus of basal snake from the Late Cretaceous Candeleros Formation of Patagonia.[1] 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.
- ^ Apesteguía, S.; Zaher, H. (2006). "A Cretaceous terrestrial snake with robust hindlimbs and a sacrum". Nature. 440 (7087): 1037–1040. Bibcode:2006Natur.440.1037A. doi:10.1038/nature04413. PMID 16625194. S2CID 4417196.