Common names: Middle American rattlesnake,[2] Central American rattlesnake,[4]tzabcan (local name for subspecies C. s. tzabcan)
Crotalus simus is a venomous pit viper species found in Mexico and Central America. The specific epithet is Latin for "flat-nosed", likely because its head is blunt compared with lanceheads (Bothrops). Three subspecies are recognized, including the nominate subspecies described here.[5]
^Dwyer, Q.; Lamar, W.; Porras, L.W.; Solórzano, A.; Sunyer, J.; Chaves, G. (2014). "Crotalus simus". IUCN Red List of Threatened Species. 2014: e.T197480A2488426. doi:10.2305/IUCN.UK.2014-1.RLTS.T197480A2488426.en. Retrieved 20 November 2021.
^ abCampbell, J.A.; Lamar W.W. (2004). The Venomous Reptiles of the Western Hemisphere. Ithaca and London: Comstock Publishing Associates. pp. 870 pp. 1500 plates. ISBN 0-8014-4141-2..
^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).
^Klauber LM. 1997. Rattlesnakes: Their Habitats, Life Histories, and Influence on Mankind. Second Edition. 2 volumes. Reprint, University of California Press, Berkeley. ISBN 0-520-21056-5.
^"Crotalus simus". Integrated Taxonomic Information System. Retrieved 28 August 2007.
American rattlesnake, tzabcan (local name for subspecies C. s. tzabcan) Crotalussimus is a venomous pit viper species found in Mexico and Central America...
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