Eophis

Eophis Temporal range: Middle Jurassic PreЄ Є O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Genus:	Eophis †
Type species
Eophis underwoodi Caldwell et al. 2015

Eophis was a early genus of stem-snake (clade Ophidia) containing one species, Eophis underwoodi, from the Middle Jurassic (Bathonian) from the Forest Marble Formation of United Kingdom. Eophis is the earliest known memeber of the ophidia group.

Cladogram based in the phylogenetic analysis by Caldwell et al. (2015):

Portugalophis

Parviraptor

Eophis

Unnamed sp.

Diablophis

Dinilysia

Madtsoiidae

Najash

Coniophis

Serpentes (Modern snakes)

...
Wikipedia