Image: World distribution of snakes

Description: Map showing the approximate global distribution of snakes. Terrestrial snake data based on Ernst (2011)[1] and Cogger et al. (1998);[2] sea snakes data based on Ernst (2011),[1] Campbell (2004),[3] Phillips (2002),[4] and Spawls (1995).[5]

↑ a b Ernst, Carl H.; Evelyn M. Ernst (2011) Venomous Reptiles of the United States, Canada, and Northern Mexico: Heloderma, Micruroides, Micrurus, Pelamis, Agkistrodon, Sistrurus, Baltimore, MD: Johns Hopkins University Press ISBN: 9780801898754.

↑ Cogger, Harold G.; Richard George Zweifel, David Kirshner (1998) Encyclopedia of Reptiles & Amphibians (2nd ed.), San Diego, CA: Academic Press ISBN: 9780121785604.

↑ Campbell, Jonathan A.; William W. Lamar (2004) The Venomous Reptiles of the Western Hemisphere, Ithaca, NY: Cornell University Press ISBN: 9780801441417.

↑ Phillips, Charles M. (March 2002). "Sea snake envenomation". Dermatologic Therapy 15 (1): 58–61(4). DOI:10.1046/j.1529-8019.2002.01504.x. Retrieved on 2009-07-24.

↑ Spawls, Stephen; Bill Branch (1995) The Dangerous Snakes of Africa: Natural History, Species Directory, Venoms and Snakebite, Sanibel Island, FL: Ralph Curtis Publishing ISBN: 9780883590294.
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