Cerrophidion tzotzilorum is a venomous pit viper species which is native to southern Mexico. There are no subspecies that are recognized as being valid.[4]
^Campbell, J.A.; Muñoz-Alonso, A. (2007). "Cerrophidion tzotzilorum". IUCN Red List of Threatened Species. 2007: e.T64307A12762008. doi:10.2305/IUCN.UK.2007.RLTS.T64307A12762008.en. Retrieved 18 November 2021.
^McDiarmid RW, Campbell JA, Touré TA (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).
^Campbell JA, Lamar WW (2004). The Venomous Reptiles of the Western Hemisphere. 2 volumes. Ithaca and London: Comstock Publishing Associates. 870 pp., 1,500 plates. ISBN 0-8014-4141-2.
^"Cerrophidion tzotzilorum". Integrated Taxonomic Information System. Retrieved 14 September 2007.
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Common names: Tzotzil montane pitviper. Cerrophidiontzotzilorum is a venomous pit viper species which is native to southern Mexico. There are no subspecies...
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