Snake

Snakes Temporal range: Jurassic – present[1] c. 150–0 mya
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Clade:	Ophidia
Suborder:	Serpentes Linnaeus 1758
Infraorders
Alethinophidia Nopcsa, 1923 Scolecophidia Cope, 1864
Approximate world distribution of snakes, all species

Snakes, otherwise known as serpentes, are reptiles. They are part of the order Squamata. They are carnivores, with long narrow bodies and no legs. There are at least 20 families, about 500 genera and 3,400 species of snake.^[2][3]

1. ↑ Hsiang, A.Y.; et al. (2015). "The origin of snakes: Revealing the ecology, behavior, and evolutionary history of early snakes using genomics, phenomics, and the fossil record". BMC Evolutionary Biology. 15: 87. doi:10.1186/s12862-015-0358-5. ISSN 1471-2148. PMC 4438441. PMID 25989795.
2. ↑ "Serpentes". Integrated Taxonomic Information System. Retrieved 3 December 2008.
3. ↑ snake species list at the Reptile Database. Accessed 22 May 2012.