Xenopholis

Xenopholis
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Dipsadidae
Subfamily:	Xenodontinae
Genus:	Xenopholis W. Peters, 1869

Xenopholis is a genus of rear-fanged snakes of the family Colubridae.

The genus Xenopholis is endemic to South America.

The genus Xenopholis is characterized by distinctive vertebrae. The spinous processes are expanded dorsally, forming shields which are rugose and divided by a median groove.

Three species are recognized as being valid.

Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Xenopholis.

...
Wikipedia