Taxonomy: families

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Snakes (Serpentes)    Genera Adenorhinos Udzungwa Short-headed Viper Agkistrodon American Copperheads, Cottonmouths, etc. Atheris African Bush Vipers Atropoides Costa Rican Jumping Pitviper Azemiops Asian Mole Vipers Bitis African Adders Bothriechis Palm Pitvipers Bothrocophias Toad-headed Pitvipers Bothrops American Lanceheads Calloselasma Malayan Pitviper Causus Night Adders Cerastes Horned Vipers Cerrophidion Central American Montane Pitvipers Craspedocephalus Ridge-nosed Tree Pitvipers Crotalus Typical Rattlesnakes Daboia Daboias Deinagkistrodon Sharp-nosed Pitviper Echis Carpet Vipers Eristicophis Leaf-nosed Viper Garthius Kinabalu Brown Pitviper Gloydius Mamushis Himalayophis Himalayan Pitvipers Hypnale Hump-nosed Pitvipers Lachesis Bushmasters Macrovipera Giant Vipers Metlapilcoatlus Northern Jumping Pitvipers Mixcoatlus Mexican Montane Pitvipers Montatheris Kenya Montane Viper Montivipera Middle East Mountain Vipers Ophryacus Mexican Horned Pitvipers Ovophis Asian Mountain Pitvipers Parias Malay Archipelago Pitvipers Popeia South Asian Bamboo Pitvipers Porthidium Hognosed Pitvipers Proatheris Lowland Swamp Viper Protobothrops Habus and allies Pseudocerastes False Horned Vipers Sinovipera Sichuan Mountain Pitviper Sistrurus Pygmy Rattlesnakes Trimeresurus Oriental Pitvipers Tropidolaemus Temple Pitvipers Vipera Typical Vipers or Adders Viridovipera Green Tree Pitvipers Zhaoermia Mangshan Pitviper

Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk). Latest update: December 31st, 2022. Biodiversity of the family Viperidae Bibliography of the family Viperidae Viperidae Vipers Vipern     Hugorme Contents: Endemicity: 44 genera of which 7 (15.9%) are endemic   0% 100% 398 species of which 204 (51.3%) are endemic   0% 100% Remarks: Includes the subfamily Crotalinae (Pitvipers), which was previously regarded as a separate family, Crotalidae (e.g., Golay & al. 1993). The number of recognized genera in this family varies greatly depending on authority (see further remarks under the genus Trimeresurus). Distribution:  North America, Central America, South America, West Indies, Europe, Africa, Middle East, Asia, Malay Archipelago. Reported from: Afghanistan, Albania, Algeria, Andorra, Angola, Argentina, Armenia, Aruba, Austria, Azerbaijan, Bangladesh, Belarus, Belgium, Belize, Benin, Bhutan, Bolivia, Bosnia-Herzegovina, Botswana, Brazil, Brunei, Bulgaria, Burkina Faso, Burundi, Cambodia, Cameroon, Canada, Central African Republic, Chad, China, Colombia, Congo-Brazzaville, Congo-Kinshasa, Costa Rica, Croatia, Cyprus, Czech Republic, Denmark, Djibouti, East Timor, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Eswatini, Ethiopia, Finland, France, French Guiana, Gabon, Gambia, Georgia, Germany, Ghana, Gibraltar, Greece, Guatemala, Guinea, Guinea-Bissau, Guyana, Honduras, Hungary, India, Indonesia, Iran, Iraq, Israel, Italy, Ivory Coast, Japan, Jordan, Kazakhstan, Kenya, Kuwait, Kyrgyzstan, Laos, Latvia, Lebanon, Lesotho, Liberia, Libya, Liechtenstein, Lithuania, Malawi, Malaysia, Mali, Martinique, Mauritania, Mexico, Moldova, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Myanmar, Namibia, Nepal, Netherlands, Nicaragua, Niger, Nigeria, North Korea, North Macedonia, Norway, Oman, Pakistan, Panama, Paraguay, Peru, Philippines, Poland, Portugal, Qatar, Romania, Russia, Rwanda, Saint Lucia, San Marino, Saudi Arabia, Senegal, Serbia, Sierra Leone, Singapore, Slovakia, Slovenia, Somalia, South Africa, South Korea, South Sudan, Spain, Sri Lanka, Sudan, Surinam, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Tanzania, Thailand, Togo, Trinidad & Tobago, Tunisia, Turkey, Turkmenistan, Uganda, Ukraine, United Arab Emirates, United Kingdom, Uruguay, USA, Uzbekistan, Venezuela, Vietnam, Western Sahara, Yemen, Zambia, Zimbabwe.