Template:Table of Crotalus durissus subspecies

Subspecies^{[ref 1]}	Taxon author^{[ref 1]}	Common name	Geographic range
C. d. cumanensis	Humboldt, 1833	Venezuelan rattlesnake^{[ref 2]}	Dry lowlands of Venezuela and Colombia
C. d. durissus	Linnaeus, 1758	South American rattlesnake^{[ref 3]}	Coastal savannas of Guyana, French Guiana and Suriname
C. d. marajoensis	Hoge, 1966	Marajon rattlesnake^{[ref 4]}	Known only from Marajo Island, Para State, Brazil
C. d. maricelae	García Pérez, 1995		Bolson arido de Lagunillas, Estado Mérida, Venezuela
C. d. ruruima	Hoge, 1966		Known from the slopes of Mount Roraima and Mount Cariman-Perú in Venezuela (Bolívar). A few specimens have been recorded in Brazil (Roraima).^{[ref 3]}
C. d. terrificus	(Laurenti, 1768)	Cascavel^{[ref 2]}	Brazil south of the Amazonian forests, extreme southeastern Peru, Bolivia, Paraguay, Uruguay, northern Argentina
C. d. trigonicus	Harris & Simmons, 1978		Inland savannas of Guyana

^ ^a ^b "Crotalinae". Integrated Taxonomic Information System. Retrieved 26 October 2006.
^ ^a ^b Mehrtens JM. 1987. Living Snakes of the World in Color. New York: Sterling Publishers. 480 pp. ISBN 0-8069-6460-X.
^ ^a ^b Campbell JA, Lamar WW. 2004. The Venomous Reptiles of the Western Hemisphere. Comstock Publishing Associates, Ithaca and London. 870 pp. 1500 plates. ISBN 0-8014-4141-2.
^ Brown JH. 1973. Toxicology and Pharmacology of Venoms from Poisonous Snakes. Springfield, Illinois: Charles C. Thomas. 184 pp. LCCCN 73-229. ISBN 0-398-02808-7.