Crotalus

Crotalus
Crotalus horridus, timber rattlesnake
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Viperidae
Subfamily:	Crotalinae
Genus:	Crotalus Linnaeus, 1758
Synonyms
Crotalus Linnaeus, 1758 Crotalophorus Houttuyn, 1764 Caudisona Laurenti, 1768 Crotalinus Rafinesque, 1815 Crotalurus Rafinesque, 1820 Crotulurus Rafinesque, 1820 Uropsophus Wagler, 1830 Urocrotalon Fitzinger, 1843 Aploaspis Cope, 1867 Aechmophrys Coues In Wheeler, 1875 Haploaspis Cope, 1883 Paracrotalus Reuss, 1930[1]

Crotalus is a genus of venomous pit vipers found only in the Americas from southern Canada to northern Argentina. The name comes from the Greek word krotalon, which means "rattle", referring to the rattle on the end of the tail. There are currently 29 species recognized.

1. ↑ McDiarmid RW, Campbell JA, Touré T (1999). Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Washington, District of Columbia: Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).