Pachyrhachis

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Pachyrhachis
Fossil range: Late Cretaceous
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Subclass: Diapsida
Order: Squamata
Suborder: Serpentes
Family: Pachyophiidae
Genus: Pachyrhachis
Species: P. problematicus
Binomial name
Pachyrhachis problematicus

Pachyrhachis is an extinct genus of snake with legs. It one of three genera of Cenomanian snakes with hindlimbs. Many of today's modern pythons and boas still have small bone spurs, where limbs would have been millions of years ago. These snakes would have only been about 1 m (3-4 ft) long.

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Other known fossil snakes with legs:

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