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Snakes (Serpentes)    Genera Adelphicos Central American Burrowing Snakes Adelphostigma Twin-spotted Leaf-litter Snakes Alsophis Eastern Caribbean Racers Amastridium Rusty-headed Snakes Amnesteophis Bahia Black-naped Snake Amnisiophis River Leaf-litter Snake Antillophis Hispaniolan Lesser Racer Apographon Bolivian Pampas Snake Apostolepis Black-tailed Blackheads Arcanumophis Puno Smooth Snake Arrhyton Cuban Ground Snakes Atractus Spindle Snakes Baliodryas Santa Cruz Smooth Snake Boiruna Southern Snake Eaters Borikenophis Puerto Rican Bank Racers Caaeteboia East Brazilian Ground Snakes Calamodontophis Southeastern Neotropical Forest Snakes Caraiba Cuban Lesser Racer Carphophis North American Worm Snakes Cenaspis La Loma Snake Cercophis Atlantic Forest Liana Snake Chersodromus Earth Runners Chlorosoma Green Bush Racers Clelia Northern Snake Eaters Coniophanes Black-striped Snakes Conophis Road Guarders Contia Sharp-tailed Snakes Coronelaps Minas Gerais Lizard Eater Crisantophis Costa Rican Road Guarder Cryophis Cloud Forest Snake Cubophis Western Caribbean Racers Darlingtonia Hispaniolan Montane Ground Snake Diadophis Ring-necked Snake Diaphorolepis Frog Eaters Dibernardia East South American Leaf-litter Snakes Dipsas Neotropical Snail Eaters Ditaxodon Striped Cerrado Snake Drepanoides Amazon Egg Eater Dryophylax Northern Mock Vipers Echinanthera East Brazilian Leaf-litter Snake Elapomorphus Brazilian Lizard Eaters Emmochliophis Pichincha Snake and Paramba Fishing Snake Enuliophis White-headed Snake Enulius Middle American Long-tailed Snakes Erythrolamprus Neotropical Smooth Snakes Eutrachelophis Beautiful-necked Smooth Snakes Farancia American Mud and Rainbow Snakes Galvarinus Galvarino Scrub Snakes Geophis Central American Earth Snakes Gomesophis Brazilian Burrowing Snake Haitiophis Hispaniolan Brown Racer Helicops South American Keelbacks Heterodon North American Hognose Snakes Hydrodynastes False Water Cobras Hydromorphus Central American Water Snakes Hydrops South American Mud Snakes Hypsiglena North American Night Snakes Hypsirhynchus Hog-nosed Racers Ialtris Hispaniolan Racers Imantodes American Blunt-headed Tree Snakes Incaspis Andean Bush Racers Leptodeira Typical Cat-eyed Snakes Lioheterophis Paraiba Black-naped Snake Lygophis South American Striped Ground Snakes Magliophis Puerto Rican Bank Ground Snakes Manolepis Thin-scaled Snake Mesotes Southern Mock Vipers Mussurana Brazilian Snake Eaters Myersinia Venezuelan Leaf-litter Snake Nanlingophis Nvwa Slender Snake Ninia Coffee Snakes Nothopsis Rugose Litter Snake Ocyophis Caribbean Green Racers Omoadiphas Honduran Mountain Forest Snakes Oxyrhopus Calico Snakes Paikwaophis Paikwa Snake Paraphimophis Rusty Snake Eater Phalotris South American Collared Snakes Philodryas South American Bush Racers Phimophis South American Shovel-nosed Snakes Pliocercus Big-scaled False Coral Snakes Pseudablabes Reticulated Bush Racers Pseudalsophis Neotropical Elegant Racers Pseudoboa Neotropical Scarlet Snakes Pseudoeryx Dusky Mud Snakes Pseudoleptodeira Broad-banded Cat-eyed Snake Psomophis Smooth Ground Snakes Ptychophis Brazilian Yellow-striped Water Snake Rhachidelus Brazilian Bird Snake Rhadinaea Graceful Brown Snakes Rhadinella Dwarf Brown Snakes Rhadinophanes Graceful Mountain Snake Rodriguesophis Collared Sharp-nosed Snakes Saphenophis Andean Smooth Ground Snakes Schwartzophis Jamaican Ground Snakes Sibon Neotropical Snail Eaters Siphlophis Liana Snakes Sordellina Brazilian Yellow-lipped Snake Stichophanes Ningshaan Lined Snake Synophis Andean Shadow Snakes Tachymenis South American Scrub Snakes Tachymenoides Huanuco Scrub Snake Taeniophallus Lowland Dwarf Leaf-litter Snakes Tantalophis Oaxacan Cat-eyed Snake Thamnodynastes South American Mock Vipers Thermophis Hot-spring Snakes Tomodon Brazilian Pampas Snake Tretanorhinus Neotropical Swamp Snakes Trimetopon Central American Dwarf Snakes Tropidodipsas Northern Snail Eaters Tropidodryas Atlantic Forest Tree Snakes Uromacer Hispaniolan Vine Snakes Urotheca Glass-tailed Snakes Xenodon Northern Mock Lanceheads, etc. Xenopholis South American Flat-headed Snakes Xenoxybelis South American Vine Snakes Zonateres Pantanal Mock Viper

Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk). Latest update: August 22nd, 2026. Biodiversity of the family Dipsadidae Bibliography of the family Dipsadidae Dipsadidae American Snail Eaters, etc. Amerikanische Schneckennattern u.a.     Amerikanske Sneglesnoge m.fl. Contents: Endemicity: 117 genera of which 38 (32.5%) are endemic   0% 100% 864 species of which 507 (58.7%) are endemic   0% 100% Remarks: Previously included in the family Colubridae. Regarded herein as a separate family, following most recent works (e.g., O'Shea 2023; Wallach 2026). Distribution:  North America, Central America, South America, West Indies, China. Only 3 genera with 5 species occur in the Old World, all from China: Nanlingophis, Stichophanes, and Thermophis. Reported from: Anguilla, Antigua & Barbuda, Argentina, Aruba, Bahamas, Belize, Bolivia, Brazil, British Virgin Islands, Brunei, Cambodia, Canada, Cayman Islands, Chile, China, Colombia, Costa Rica, Cuba, Curacao, Dominica, Dominican Republic, East Timor, Ecuador, El Salvador, French Guiana, Grenada, Guadeloupe, Guatemala, Guyana, Haiti, Honduras, Indonesia, Jamaica, Laos, Malaysia, Martinique, Mexico, Montserrat, Myanmar, Nicaragua, Panama, Paraguay, Peru, Philippines, Puerto Rico, Saba, Saint Barthelemy, Saint Lucia, Singapore, Sint Eustatius, Sri Lanka, Surinam, Thailand, Trinidad & Tobago, U.S. Virgin Islands, Uruguay, USA, Venezuela, Vietnam. Meristic and other data of the world's snakes. Compiled by V. Wallach Key to abbreviations Head drawings of the world's snakes (menu). Compiled by V. Wallach