Bothrocophias microphthalmus, or the small-eyed toad-headed pit viper, is a species of venomous snake in the family Viperidae.[2] The species is endemic to northwestern South America.[3]
^"Bothrocophias microphthalmus ". The Reptile Database. www.reptile-database.org.
^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).
^"Bothrocophias ". Integrated Taxonomic Information System. Retrieved 3 November 2006.
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Bothrocophiasmicrophthalmus, or the small-eyed toad-headed pit viper, is a species of venomous snake in the family Viperidae. The species is endemic to...
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Retrieved 2013-04-05. Caicedo, J.R.; Bolívar, W.; Velasco, J. (2019). "Bothrocophias myersi". IUCN Red List of Threatened Species. 2019: e.T178511A44955043...