Crotalus oreganus

Crotalus oreganus
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Viperidae
Genus:	Crotalus
Species:	C. oreganus
Binomial name
	Crotalus oreganus; Holbrook, 1840
Synonyms
	Crotalus oreganus Holbrook, 1840; Crotalus oregonus [sic] ; – Holbrook, 1842; Crotalus lucifer ; Baird & Girard, 1852; C[rotalus]. adamanteus var. lucifer – Jan, 1863; C[audisona]. lucifer – Cope, 1867; Crotalus hallowelli Cooper In Cronise, 1868; Crotalus confluentus var. lucifer ; – Cope, 1883; [Crotalus oreganus] Var. lucifer ; – Garman, 1884; Crotalus confluentus lucifer ; – Cope, 1892; Crotalus oreganus ; – Van Denburgh, 1898; Crotalus oreganus niger ; Kallert, 1927 (Nomen nudum); Crotalus confluentus oreganus ; – Amaral, 1929; Crotalus viridis oreganus ; – Klauber, 1936; Crotalus oreganus oreganus ; – Ashton & de Queiroz, 2001;

Crotalus oreganus, commonly known as the Western rattlesnake or northern Pacific rattlesnake,^[4]^[5] is a venomous pit viper species found in western North America from the Baja California Peninsula to the southern interior of British Columbia.

^ Hammerson, G.A.; Frost, D.R.; Hollingsworth, B. (2007). "Crotalus oreganus". IUCN Red List of Threatened Species. 2007: e.T64326A12769216. doi:10.2305/IUCN.UK.2007.RLTS.T64326A12769216.en. Retrieved 19 November 2021.
^ McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
^ Ashton KG, de Queiroz A. 2001. Molecular systematics of the western rattlesnake, Crotalus viridis (Viperidae), with comments on the utility of the d-loop in phylogenetic studies of snakes. Molecular Phylogenetics and Evolution, Vol. 21, No.2, pp. 176-189. PDF Archived 2007-09-29 at the Wayback Machine at CNAH. Accessed 3 September 2008.
^ "Crotalus oreganus". Integrated Taxonomic Information System. Retrieved 28 November 2006.
^ Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0.

Crotalus oreganus

Conservation status
Least Concern (IUCN 3.1)^[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Viperidae
Genus:	Crotalus
Species:	C. oreganus
Binomial name
*Crotalus oreganus* Holbrook, 1840

Synonyms
Crotalus oreganus Holbrook, 1840 Crotalus oregonus [sic] – Holbrook, 1842 Crotalus lucifer Baird & Girard, 1852 C[rotalus]. adamanteus var. lucifer – Jan, 1863 C[audisona]. lucifer – Cope, 1867 Crotalus hallowelli Cooper In Cronise, 1868 Crotalus confluentus var. lucifer – Cope, 1883 [Crotalus oreganus] Var. lucifer – Garman, 1884 Crotalus confluentus lucifer – Cope, 1892 Crotalus oreganus – Van Denburgh, 1898 Crotalus oreganus niger Kallert, 1927 (Nomen nudum) Crotalus confluentus oreganus – Amaral, 1929 Crotalus viridis oreganus – Klauber, 1936^[2] Crotalus oreganus oreganus – Ashton & de Queiroz, 2001^[3]