Viperidae

412 species

1. 1Agkistrodon bilineatus Günther, 1863 · Mexican Moccasin
2. 2Agkistrodon conanti Gloyd, 1969
3. 3Agkistrodon contortrix (Linnaeus, 1766) · Southern Copperhead
4. 4Agkistrodon howardgloydi Conant, 1984 · Gloyd’s Moccasin
5. 5Agkistrodon laticinctus Gloyd & Conant, 1934 · Broad-banded Copperhead
6. 6Agkistrodon piscivorus (Lacépède, 1789)
7. 7Agkistrodon russeolus Gloyd, 1972 · Yucatecan Cantil
8. 8Agkistrodon taylori Burger & Robertson, 1951 · Mexican Moccasin
9. 9Atheris acuminata Broadley, 1998 · Acuminate bush viper
10. 10Atheris anisolepis Mocquard, 1887 · Mayombe Bush-Viper
11. 11Atheris barbouri Loveridge, 1930 · Uzungwe Mountain Bush Viper
12. 12Atheris broadleyi Lawson, 1999 · Broadley’s bush viper
13. 13Atheris ceratophora Werner, 1896 · horned bush viper
14. 14Atheris chlorechis (Pel, 1852) · Green bush viper
15. 15Atheris desaixi Ashe, 1968 · Mt Kenya Bush Viper
16. 16Atheris hetfieldi Ceríaco, Marques & Bauer, 2020 · Hetfield’s Bush Viper
17. 17Atheris hirsuta Ernst & Rödel, 2002 · Bristly Tree Viper
18. 18Atheris hispida Laurent, 1955 · African Hairy Bush Viper
19. 19Atheris katangensis de Witte, 1953 · Katanga Mountain Bush Viper
20. 20Atheris mabuensis Branch & Bayliss, 2009 · Mount Mabu bush viper
21. 21Atheris matildae Menegon, Davenport & Howell, 2011 · Matilda's Horned Viper
22. 22Atheris mongoensis Collet & Trape, 2020 · Mongo Hairy Bush Viper
23. 23Atheris nitschei Tornier, 1902 · Great Lakes Bush Viper
24. 24Atheris rungweensis Bogert, 1940 · Mt Rungwe bush viper
25. 25Atheris squamigera Hallowell, 1854 · African Bush Viper
26. 26Atheris subocularis Fischer, 1888
27. 27Atropoides picadoi (Dunn, 1939) · Picado's Pit Viper
28. 28Azemiops feae Boulenger, 1888 · White-headed Burmese viper [kharini]
29. 29Bitis albanica Hewitt, 1937 · Albany Adder
30. 30Bitis arietans (Merrem, 1820) · Puff Adder
31. 31Bitis armata (Smith, 1826) · Southern Adder
32. 32Bitis atropos (Linnaeus, 1758) · Mountain Adder
33. 33Bitis caudalis (Smith, 1839) · Horned Adder
34. 34Bitis cornuta (Daudin, 1803) · Many-horned Adder
35. 35Bitis gabonica (Duméril, Bibron & Duméril, 1854) · Gaboon Adder · full sheet
36. 36Bitis harenna Gower, Wade, Spawls, Böhme, Buechley, Sykes & Colston, 2016 · Bale Mountains adder
37. 37Bitis heraldica (Bocage, 1889) · Angolan adder; Bocage's Horned Adder (after FRANK & RAMUS 1995).
38. 38Bitis inornata (Smith, 1838) · Plain Mountain Adder
39. 39Bitis nasicornis (Shaw & Nodder, 1792) · Rhinoceros Viper
40. 40Bitis parviocula Böhme, 1977 · Bale Mountains adder
41. 41Bitis peringueyi (Boulenger, 1888) · Peringuey's Adder
42. 42Bitis rhinoceros (Schlegel, 1855)
43. 43Bitis rubida Branch, 1997 · Red Adder
44. 44Bitis schneideri (Boettger, 1886) · Namaqua Dwarf Adder
45. 45Bitis worthingtoni Parker, 1932 · Kenya Horned Viper
46. 46Bitis xeropaga Haacke, 1975 · Desert Mountain Adder
47. 47Bothriechis aurifer (Salvin, 1860) · Yellow-blotched Palm Pit Viper
48. 48Bothriechis bicolor (Bocourt, 1868) · Guatemala Palm Pit Viper
49. 49Bothriechis guifarroi Townsend, Medina-Flores, Wilson, Jadin & Austin, 2013
50. 50Bothriechis hussaini Arteaga, Pyron, Batista, Vieira, Meneses-Pelayo, Smith, Barrio-Amorós, Koch, Agne, Valencia, Bustamante & Harris, 2024 · Hussain’s Eyelash-Pitviper · newer than the 2023 backbone
51. 51Bothriechis khwargi Arteaga, Pyron, Batista, Vieira, Meneses-Pelayo, Smith, Barrio-Amorós, Koch, Agne, Valencia, Bustamante & Harris, 2024 · Khwarg’s Eyelash-Pitviper. · newer than the 2023 backbone
52. 52Bothriechis klebbai Arteaga, Pyron, Batista, Vieira, Meneses-Pelayo, Smith, Barrio-Amorós, Koch, Agne, Valencia, Bustamante & Harris, 2024 · Klebba’s Eyelash-Pitviper · newer than the 2023 backbone
53. 53Bothriechis lateralis Peters, 1862 · Coffee Palm Viper
54. 54Bothriechis marchi (Barbour & Loveridge, 1929) · March's Palm Pit Viper
55. 55Bothriechis nigroadspersus (Steindachner, 1870) · Central Ameri- can Eyelash-Pitviper · newer than the 2023 backbone
56. 56Bothriechis nigroviridis Peters, 1859 · Black-speckled Palm Pit Viper
57. 57Bothriechis nitidus (Günther, 1859) · Ecuadorian Eyelash-Pitviper · newer than the 2023 backbone
58. 58Bothriechis nubestris Doan, Mason, Castoe, Sasa & Parkinson, 2016 · Talamancan Palm-Pitviper
59. 59Bothriechis rahimi Arteaga, Pyron, Batista, Vieira, Meneses-Pelayo, Smith, Barrio-Amorós, Koch, Agne, Valencia, Bustamante & Harris, 2024 · Rahim’s Eye- lash-Pitviper · newer than the 2023 backbone
60. 60Bothriechis rasikusumorum Arteaga, Pyron, Batista, Vieira, Meneses-Pelayo, Smith, Barrio-Amorós, Koch, Agne, Valencia, Bustamante & Harris, 2024 · Shah’s Eyelash-Pitviper · newer than the 2023 backbone
61. 61Bothriechis rowleyi (Bogert, 1968) · Rowley's Palm Pit Viper
62. 62Bothriechis schlegelii (Berthold, 1846) · Schlegel’s Eyelash-Pitviper
63. 63Bothriechis supraciliaris (Taylor, 1954) · Blotched Palm-pitviper
64. 64Bothriechis thalassinus Campbell & Smith, 2000
65. 65Bothriechis torvus (Posada-Arango, 1889) · Birri Eyelash-Pitviper · newer than the 2023 backbone
66. 66Bothrocophias andianus (Amaral, 1923) · Andean Lancehead
67. 67Bothrocophias campbelli (Freire-Lascano, 1991)
68. 68Bothrocophias colombianus (Rendahl & Vestergren, 1940) · Cat Lancehead
69. 69Bothrocophias hyoprora (Amaral, 1935) · Hognose Lancehead
70. 70Bothrocophias lojanus (Parker, 1930) · Lojan Lancehead
71. 71Bothrocophias microphthalmus (Cope, 1875)
72. 72Bothrocophias myersi Gutberlet & Campbell, 2001 · cheeked Snake
73. 73Bothrocophias myrringae Angarita-Sierra, Cubides-Cubillos & Hurtado-Gómez, 2022
74. 74Bothrocophias tulitoi Angarita-Sierra, Cubides-Cubillos & Hurtado-Gómez, 2022
75. 75Bothrops alcatraz Marques, Martins & Sazima, 2002 · Alcatrazes lancehead
76. 76Bothrops alternatus Duméril, Bibron & Duméril, 1854 · Urutu
77. 77Bothrops ammodytoides Leybold, 1873 · Yararanata
78. 78Bothrops asper (Garman, 1883) · Terciopelo · full sheet
79. 79Bothrops atrox (Linnaeus, 1758) · Fer-de-Lance
80. 80Bothrops ayerbei Folleco-Fernandez, 2010 · Eqis Patiana
81. 81Bothrops barnetti Parker, 1938 · Barnett's Lancehead
82. 82Bothrops bilineatus (Wied-Neuwied, 1821) · Green Jararaca
83. 83Bothrops brazili Hoge, 1954 · Brazil's Lancehead
84. 84Bothrops caribbaeus (Garman, 1887) · Saint Lucia Viper
85. 85Bothrops chloromelas (Boulenger, 1912)
86. 86Bothrops cotiara (Gomes, 1913) · Cotiara
87. 87Bothrops diporus Cope, 1862
88. 88Bothrops erythromelas (Amaral, 1923) · Caatinga Lancehead
89. 89Bothrops fonsecai Hoge & Belluomini, 1959 · Fonseca's Lancehead
90. 90Bothrops germanoi Barbo, Booker, Duarte, Chaluppe, Portes-Junior, Franco & Grazziotin, 2022 · Moela’s lancehead
91. 91Bothrops insularis (Amaral, 1922) · Golden Lancehead
92. 92Bothrops itapetiningae (Boulenger, 1907) · Sao Paulo Lancehead
93. 93Bothrops jabrensis Barbo, Grazziotin, Pereira-Filho, Freitas, Abrantes & Kokubum, 2022 · Jabre’s Lancehead
94. 94Bothrops jararaca (Wied-Neuwied, 1824) · Jararaca
95. 95Bothrops jararacussu Lacerda, 1884 · Jararacussu
96. 96Bothrops jonathani Harvey, 1994 · Jonathan's Lancehead
97. 97Bothrops lanceolatus (Bonnaterre, 1790) · Martinique Lancehead
98. 98Bothrops leucurus Wagler, 1824 · Whitetail Lancehead
99. 99Bothrops lutzi (Miranda-Ribeiro, 1915) · Sertao Lancehead [iglesiasi]
100. 100Bothrops marajoensis Hoge, 1966 · Marajó Lancehead
101. 101Bothrops marmoratus da Silva & Rodrigues, 2008 · Marbled lancehead
102. 102Bothrops mattogrossensis Amaral, 1925
103. 103Bothrops medusa (Sternfeld, 1920) · Venezuela Forest Pit Viper
104. 104Bothrops monsignifer Timms, Chaparro, Venegas, Salazar-Valenzuela, Scrocchi, Cuevas, Leynaud & Carrasco, 2019
105. 105Bothrops moojeni Hoge, 1966 · Brazilian Lancehead
106. 106Bothrops muriciensis Ferrarezzi & Freire, 2001
107. 107Bothrops neuwiedi Wagler, 1824 · Jararaca Pintada
108. 108Bothrops oligobalius Dal Vechio, Prates, Grazziotin, Graboski & Rodrigues, 2021
109. 109Bothrops oligolepis (Werner, 1901) · Inca Forest Pit Viper (oligolepis)
110. 110Bothrops osbornei Freire-Lascano, 1991
111. 111Bothrops otavioi Barbo, Grazziotin, Sazima, Martins & Sawaya, 2012
112. 112Bothrops pauloensis Amaral, 1925
113. 113Bothrops pictus (Tschudi, 1845) · Desert Lancehead
114. 114Bothrops pirajai Amaral, 1923 · Piraja's Lancehead
115. 115Bothrops pubescens (Cope, 1870)
116. 116Bothrops pulcher (Peters, 1862)
117. 117Bothrops punctatus (Garcia, 1896) · Chocoan Forest Pit Viper
118. 118Bothrops sanctaecrucis Hoge, 1966 · Bolivian Lancehead
119. 119Bothrops sazimai Barbo, Gasparini, Almeida, Zaher, Grazziotin, Gusmão, Ferrarini & Sawaya, 2016 · Franceses island-Lancehead
120. 120Bothrops sonene Carrasco, Grazziotin, Cruz-Farfán, Koch, Ochoa, Scrocchi, Leynaud & Chaparro, 2019
121. 121Bothrops taeniatus Wagler, 1824 · Speckled Forest Pit Viper
122. 122Bothrops venezuelensis Sandner-Montilla, 1952 · Venezuela Lancehead
123. 123Calloselasma rhodostoma (Kuhl, 1824) · Malayan Pit Viper
124. 124Causus bilineatus Boulenger, 1905 · Two-lined Night Adder
125. 125Causus defilippii (Jan, 1863) · Snouted Night Adder
126. 126Causus lichtensteinii (Jan, 1859) · Forest night adder
127. 127Causus maculatus (Hallowell, 1842) · Spotted Night Adder
128. 128Causus rasmusseni Broadley, 2014 · Rasmussen’s Night Adder
129. 129Causus resimus (Peters, 1862) · Green Night Adder
130. 130Causus rhombeatus (Lichtenstein, 1823) · Common or Rhombic Night Adder
131. 131Cerastes cerastes (Linnaeus, 1758) · Desert Horned Viper
132. 132Cerastes gasperettii Leviton & Anderson, 1967 · Arabian Horned Viper
133. 133Cerastes vipera (Linnaeus, 1758) · Sahara Sand Viper
134. 134Cerrophidion godmani (Günther, 1863) · Godman's Montane Pit Viper
135. 135Cerrophidion petlalcalensis López-Luna, Vogt & Torre-Loranca, 1999 · Cerro Petlalcala Montane Pitviper
136. 136Cerrophidion sasai Jadin, Townsend, Castoe & Campbell, 2012 · Costa Rica Montane Pitviper
137. 137Cerrophidion tzotzilorum (Campbell, 1985) · Tzotzil Montane Pit Viper
138. 138Cerrophidion wilsoni Jadin, Townsend, Castoe & Campbell, 2012 · Honduras Montane Pitviper
139. 139Craspedocephalus anamallensis (Günther, 1864) · Malabarian Pit Viper
140. 140Craspedocephalus andalasensis (David, Vogel, Vijayakumar & Vidal, 2006) · Sumatran Palm Pit Viper
141. 141Craspedocephalus borneensis (Peters, 1872) · Borneo Pit Viper
142. 142Craspedocephalus brongersmai (Hoge, 1969) · Brongersma's Pit Viper
143. 143Craspedocephalus gramineus (Shaw, 1802) · Common Bamboo Viper
144. 144Craspedocephalus macrolepis (Beddome, 1862) · Large-scaled Pit Viper
145. 145Craspedocephalus malabaricus (Jerdon, 1854) · Malabarian Pit Viper
146. 146Craspedocephalus occidentalis (Pope & Pope, 1933) · Southern Bamboo Pit Viper
147. 147Craspedocephalus peltopelor Mallik, Srikanthan, Ganesh, Vijayakumar, Campbell, Malhotra & Shanker, 2021 · Agasthyamali large-scaled Pit Viper
148. 148Craspedocephalus puniceus (Boie, 1827) · Ashy Pit Viper
149. 149Craspedocephalus strigatus (Gray, 1842) · Horseshoe (pit-) viper
150. 150Craspedocephalus travancoricus Mallik, Srikanthan, Ganesh, Vijayakumar, Campbell, Malhotra & Shanker, 2021 · Travancore Pit Viper
151. 151Craspedocephalus trigonocephalus (Donndorff, 1798) · Sri Lankan Green pitviper
152. 152Craspedocephalus wiroti (Trutnau, 1981) · Wirot’s Pit Viper
153. 153Crotalus adamanteus Palisot de Beauvois, 1799 · Eastern Diamondback Rattlesnake · full sheet
154. 154Crotalus angelensis Klauber, 1963 · Isla Angel Rattlesnake
155. 155Crotalus aquilus Klauber, 1952 · Queretaran Dusky Rattlesnake
156. 156Crotalus armstrongi Campbell, 1979 · Mexican Dusky Rattlesnake
157. 157Crotalus atrox Baird & Girard, 1853 · Western Diamond-backed Rattlesnake
158. 158Crotalus basiliscus (Cope, 1864) · Basilisk Rattlesnake
159. 159Crotalus brunneus Harris & Simmons, 1978 · Oaxacan Pygmy Rattlesnake · newer than the 2023 backbone
160. 160Crotalus campbelli Bryson Jr, Linkem, Dorcas, Lathrop, Jones, Alvarado-Díaz, Grünwald & Murphy, 2014
161. 161Crotalus catalinensis Cliff, 1954 · Catalina Island Rattlesnake
162. 162Crotalus cerastes Hallowell, 1854
163. 163Crotalus cerberus (Coues, 1875) · Arizona Black Rattlesnake
164. 164Crotalus concolor Woodbury, 1929 · Midget Faded Rattlesnake
165. 165Crotalus culminatus Klauber, 1952 · Tehuantepec Isthmus Neotropical rattlesnake [ehecatl]
166. 166Crotalus durissus Linnaeus, 1758 · Rupununi Savanna Rattlesnake [trigonicus]
167. 167Crotalus ehecatl Carbajal-Márquez, Cedeño-Vázquez, Martínez-Arce, Neri-Castro & Machkour-M' Rabet, 2020 · Tehuantepec Isthmus Neotropical rattlesnake
168. 168Crotalus enyo (Cope, 1861)
169. 169Crotalus ericsmithi Campbell & Flores-Villela, 2008 · Guerreran Long-tailed Rattlesnake
170. 170Crotalus estebanensis Klauber, 1949 · San Esteban Island Rattlesnake
171. 171Crotalus exiguus Campbell & Armstrong, 1979 · Guerreran Pygmy Rattlesnake · newer than the 2023 backbone
172. 172Crotalus helleri Meek, 1905 · Southern Pacific Rattlesnake
173. 173Crotalus horridus Linnaeus, 1758 · Timber rattlesnake
174. 174Crotalus intermedius Troschel, 1865 · Mexican Smallhead Rattlesnake
175. 175Crotalus lannomi Tanner, 1966 · Manantlán Long-tailed Rattlesnake
176. 176Crotalus lepidus (Kennicott, 1861)
177. 177Crotalus lorenzoensis Radcliff & Maslin, 1975
178. 178Crotalus lutosus Klauber, 1930 · Great Basin Rattlesnake
179. 179Crotalus mictlantecuhtli Carbajal-Márquez, Cedeño-Vázquez, Martínez-Arce, Neri-Castro & Machkour-M' Rabet, 2020 · Veracruz Neotropical rattlesnake
180. 180Crotalus mitchellii (Cope, 1861) · Speckled Rattlesnake
181. 181Crotalus molossus Baird & Girard, 1853
182. 182Crotalus morulus Klauber, 1952 · Tamaulipan Rock Rattlesnake
183. 183Crotalus oreganus Holbrook, 1840 · Grand Canyon Rattlesnake [abyssus]
184. 184Crotalus ornatus Hallowell, 1854 · Black-tailed Rattlesnake
185. 185Crotalus polisi Meik, Schaack, Flores-Villela & Streicher, 2018 · Horsehead Island speckled rattlesnake
186. 186Crotalus polystictus (Cope, 1865) · Mexican Lancehead Rattlesnake
187. 187Crotalus pricei Van Denburgh, 1895
188. 188Crotalus pusillus Klauber, 1952 · Tancitaran Dusky Rattlesnake
189. 189Crotalus pyrrhus (Cope, 1866) · Southwestern Speckled Rattlesnake
190. 190Crotalus ravus Cope, 1865
191. 191Crotalus ruber Cope, 1892
192. 192Crotalus scutulatus (Kennicott, 1861)
193. 193Crotalus simus Latreille, 1801 · Middle American Rattlesnake
194. 194Crotalus stejnegeri Dunn, 1919 · Sinaloan Long-tailed Rattlesnake
195. 195Crotalus stephensi Klauber, 1930 · Panamint Rattlesnake
196. 196Crotalus tancitarensis Alvarado-Díaz & Campbell, 2004 · Tancitaro Rattlesnake
197. 197Crotalus thalassoporus Meik, Schaack, Flores-Villela & Streicher, 2018 · Louse Island speckled rattlesnake
198. 198Crotalus tigris Kennicott, 1859 · Tiger Rattlesnake
199. 199Crotalus tlaloci Bryson, Linkem, Dorcas, Lathrop, Jones, Alvarado-Díaz, Grünwald & Murphy, 2014
200. 200Crotalus totonacus Gloyd & Kauffeld, 1940 · Totonacan Rattlesnake
201. 201Crotalus transversus Taylor, 1944 · Cross-banded Mountain Rattlesnake
202. 202Crotalus triseriatus (Wagler, 1830) · Western Dusky Rattlesnake
203. 203Crotalus tzabcan Klauber, 1952 · Yucatan Neotropical Rattlesnake
204. 204Crotalus unicolor Lidth de Jeude, 1887 · Aruba Island Rattlesnake
205. 205Crotalus vegrandis Klauber, 1941 · Uracoan Rattlesnake
206. 206Crotalus viridis (Rafinesque, 1818)
207. 207Crotalus willardi Meek, 1905
208. 208Daboia mauritanica (Gray, 1849) · Moorish Viper
209. 209Daboia palaestinae (Werner, 1938) · Palestine Viper
210. 210Daboia russelii (Shaw & Nodder, 1797) · Russell’s Viper · full sheet
211. 211Daboia siamensis (Smith, 1917) · Eastern Russel’s Viper
212. 212Deinagkistrodon acutus (Günther, 1888) · Hundred-pace viper
213. 213Echis borkini Cherlin, 1990
214. 214Echis carinatus (Schneider, 1801) · Sindh Saw-scaled Viper [sochureki] · full sheet
215. 215Echis coloratus Günther, 1878 · Holy-Land Saw-scaled Viper [terraesanctae]
216. 216Echis hughesi Cherlin, 1990 · Hughes' Saw-scaled Viper
217. 217Echis jogeri Cherlin, 1990 · Joger's Saw-scaled Viper
218. 218Echis khosatzkii Cherlin, 1990
219. 219Echis leucogaster Roman, 1972 · Roman's Saw-scaled Viper
220. 220Echis megalocephalus Cherlin, 1990 · Cherlin's Saw-scaled Viper
221. 221Echis ocellatus Stemmler, 1970 · West African carpet viper
222. 222Echis omanensis Babocsay, 2004 · Oman saw-scaled viper
223. 223Echis pyramidum (Geoffroy Saint-Hilaire, 1827) · North-East African Carpet Viper
224. 224Echis romani Trape, 2018
225. 225Eristicophis macmahoni Alcock & Finn, 1897 · Asian sand viper
226. 226Garthius chaseni (Smith, 1931) · Mount Kinabalu Pit Viper
227. 227Gloydius angusticeps Shi, Yang, Huang, Orlov & Li, 2018 · Zoige pit viper
228. 228Gloydius blomhoffii (Boie, 1826) · Mamushi
229. 229Gloydius brevicaudus (Stejneger, 1907) · Yangtze Mamushi [siniticus]
230. 230Gloydius caraganus (Eichwald, 1831) · Karaganda pitviper
231. 231Gloydius caucasicus (Nikolsky, 1916) · Caucasian pitviper
232. 232Gloydius chambensis Kuttalam, Santra, Owens, Selvan, Mukherjee, Graham, Togridou, Bharti, Shi, Shanker & Malhotra, 2022 · Chamba Pitviper
233. 233Gloydius changdaoensis Li, 1999
234. 234Gloydius cognatus (Gloyd, 1977) · Alashan pitviper
235. 235Gloydius halys (Pallas, 1776)
236. 236Gloydius hazarensis Jablonski, Tillack, Tillack, Petzold, Wilzo, Das, Idrees, Baniya, Masroor & Hofmann, 2026 · Hazara Pitviper · newer than the 2023 backbone
237. 237Gloydius himalayanus (Günther, 1864) · Himalayan Pitviper
238. 238Gloydius hindukushensis Jablonski, Tillack, Tillack, Petzold, Wilzo, Das, Idrees, Baniya, Masroor & Hofmann, 2026 · Hindu Kush Pitviper · newer than the 2023 backbone
239. 239Gloydius huangi Wang, Ren, Dong, Jiang, Shi, Siler & Che, 2019 · Lancang Plateau Viper
240. 240Gloydius intermedius (Strauch, 1868) · Central Asian pitviper
241. 241Gloydius lateralis Zhang, Shi, Li, Yan, Wang, Ding, Du, Plenković-Moraj, Jiang & Shi, 2022 · Jiuzhai pitviper
242. 242Gloydius lipipengi Shi, Liu & Malhotra, 2021 · Nujiang pit viper
243. 243Gloydius liupanensis Liu, Song & Luo, 1989
244. 244Gloydius monticola (Werner, 1922) · Likiang pitviper
245. 245Gloydius nepalensis Jablonski, Tillack, Tillack, Petzold, Wilzo, Das, Idrees, Baniya, Masroor & Hofmann, 2026 · Nepali Pitviper · newer than the 2023 backbone
246. 246Gloydius qinlingensis (Song & Chen, 1985)
247. 247Gloydius rickmersi Wagner, Tiutenko, Borkin & Simonov, 2016
248. 248Gloydius rubromaculatus Shi, LI & Liu, 2017 · Tongtianhe pit viper
249. 249Gloydius shedaoensis (Zhao, 1979) · Shedao island pitviper
250. 250Gloydius stejnegeri (Rendahl, 1933) · Gobi pitviper)
251. 251Gloydius strauchi (Bedriaga, 1912) · Strauch’s pitviper
252. 252Gloydius swild Shi & Malhotra, 2021 · Glacier pit viper
253. 253Gloydius tsushimaensis (Isogawa, Moriya & Mitsui, 1994) · Tsushima island pitviper
254. 254Gloydius ussuriensis (Emelianov, 1929) · Ussuri Mamushi
255. 255Gloydius variegatus Ren, Huang, Wu, Jiang & Li, 2024 · newer than the 2023 backbone
256. 256Hypnale hypnale (Merrem, 1820) · Hump-nosed Moccasin
257. 257Hypnale nepa (Laurenti, 1768) · Sri Lanka Humpnose Viper
258. 258Hypnale zara (Gray, 1849) · Zara
259. 259Lachesis acrochorda (Garcia, 1896)
260. 260Lachesis melanocephala Solórzano & Cerdas, 1986 · Black-headed bushmaster
261. 261Lachesis muta (Linnaeus, 1766) · South American Bushmaster
262. 262Lachesis rhombeata (Wied, 1824) · Atlantic Forest bushmaster
263. 263Lachesis stenophrys Cope, 1875 · Central American bushmaster
264. 264Macrovipera lebetinus (Linnaeus, 1758) · Levantine Viper
265. 265Macrovipera razii Oraie, Rastegar-Pouyani, Khosravani, Moradi, Akbari, Sehhatisabet, Shafiei, Stümpel & Joger, 2018 · Razi’s Viper
266. 266Metlapilcoatlus borealis Tepos-Ramírez, Flores-Villela, Velasco, Lara, García-Rubio & Jadin, 2021
267. 267Metlapilcoatlus indomitus (Smith & Ferrari-Castro, 2008)
268. 268Metlapilcoatlus mexicanus (Duméril, Bibron & Duméril, 1854) · Central American Jumping Pit Viper
269. 269Metlapilcoatlus nummifer (Rüppell, 1845) · Jumping Pit Viper
270. 270Metlapilcoatlus occiduus (Hoge, 1966) · Western Jumping Pitviper
271. 271Metlapilcoatlus olmec (Pérez-Higareda, Smith & Juliá-Zertuche, 1985) · Olmecan Pit Viper
272. 272Mixcoatlus barbouri (Dunn, 1919) · Barbour's Montane Pit Viper
273. 273Mixcoatlus browni (Shreve, 1938) · Brown’s Montane Pit Viper
274. 274Mixcoatlus melanurus (Müller, 1924) · Black-tailed Horned Pitviper
275. 275Montatheris hindii (Boulenger, 1910) · Kenya Montane Viper
276. 276Montivipera albizona (Nilson, Andren & Flärdh, 1990)
277. 277Montivipera bornmuelleri (Werner, 1898) · Lebanon Viper
278. 278Montivipera bulgardaghica (Nilson & Andren, 1985)
279. 279Montivipera raddei (Boettger, 1890) · Kuhrang mountain viper [kuhrangica]
280. 280Montivipera wagneri (Nilson & Andrén, 1984) · Wagner's Viper
281. 281Montivipera xanthina (Gray, 1849) · Ottoman Viper
282. 282Ophryacus smaragdinus · Emerald Horned Pitviper
283. 283Ophryacus sphenophrys (Smith, 1960) · Broad-horned Pitviper
284. 284Ophryacus undulatus (Jan, 1859) · Mexican Horned Pit Viper
285. 285Ovophis anitae David, Frétey & Vogel, 2024 · newer than the 2023 backbone
286. 286Ovophis convictus (Stoliczka, 1870) · Indo-Malayan mountain pitviper
287. 287Ovophis jenkinsi Qiu, Wang, Xia, Jiang, Zeng, Wang, LI & Shi, 2024 · Jenkins’ mountain pitviper · newer than the 2023 backbone
288. 288Ovophis makazayazaya (Takahashi, 1922) · Taiwan mountain pitviper
289. 289Ovophis medogensis Liao, Shi, Luo, Huang, Linn, Giri & Wang, 2026 · newer than the 2023 backbone
290. 290Ovophis monticola (Günther, 1864)
291. 291Ovophis okinavensis (Boulenger, 1892) · Ryukyu Island Pit Viper
292. 292Ovophis tonkinensis (Bourret, 1934) · Tonkin pitviper
293. 293Ovophis zayuensis (Jiang, 1977) · Zayuan mountain pitviper
294. 294Ovophis zhaoermii Liu, Hou, Mo, Li, Li, Luo, Rao & Li, 2025 · Guanyinshan mountain pitviper” · newer than the 2023 backbone
295. 295Porthidium arcosae Schätti & Kramer, 1993 · Manabi Hognose Pitviper
296. 296Porthidium dunni (Hartweg & Oliver, 1938) · Dunn's Hognose Viper
297. 297Porthidium hespere (Campbell, 1976) · Western Hognose Viper
298. 298Porthidium lansbergii (Schlegel, 1841)
299. 299Porthidium nasutum (Bocourt, 1868) · Hognosed Pit Viper
300. 300Porthidium ophryomegas (Bocourt, 1868) · Slender Hognose Viper
301. 301Porthidium porrasi Lamar, 2003
302. 302Porthidium volcanicum Solórzano, 1995
303. 303Porthidium yucatanicum (Smith, 1941) · Yucatán Hognose Viper
304. 304Proatheris superciliaris (Peters, 1855) · Lowland viper
305. 305Protobothrops cornutus (Smith, 1930) · Horned Pit Viper (Fi-Si-Pan)
306. 306Protobothrops dabieshanensis Huang, Pan, Han, Zhang, Hou, Yu, Zheng & Zhang, 2012 · Dabie Mountains Pit Viper
307. 307Protobothrops elegans (Gray, 1849) · Elegant pitviper
308. 308Protobothrops flavirostris Grassby-Lewis, Brakels, Maury, Sitthivong, Frohlich, Pawangkhanant, Idiiatullina, Nguyen & Poyarkov, 2025 · Vang Vieng lance-headed pit viper · newer than the 2023 backbone
309. 309Protobothrops flavoviridis (Hallowell, 1861) · Habu
310. 310Protobothrops himalayanus Pan, Chettri, Yang, Jiang, Wang, Zhang & Vogel, 2013
311. 311Protobothrops jerdonii (Günther, 1875)
312. 312Protobothrops kaulbacki (Smith, 1940) · Kaulback’s lance-headed pitviper
313. 313Protobothrops kelomohy Sumontha, Vasaruchapong, Chomngam, Suntrarachun, Pawangkhanant, Sompan, Smits, Kunya & Chanhome, 2020 · Omkoi Lance-headed Pit Viper
314. 314Protobothrops mangshanensis (Zhao, 1990) · Mt. Mang Pitviper
315. 315Protobothrops maolanensis Yang, Orlov & Wang, 2011 · Mao-lan pitviper
316. 316Protobothrops mucrosquamatus (Cantor, 1839) · Brown spotted pitviper
317. 317Protobothrops sieversorum (Ziegler, Herrmann, David, Orlov & Pauwels, 2000) · Sievers’ Three horned-scaled pitviper
318. 318Protobothrops tokarensis (Nagai, 1928) · Tokara Habu
319. 319Protobothrops trungkhanhensis Orlov, Ryabov & Nguyen, 2009 · Trungkhanh Pitviper
320. 320Protobothrops xiangchengensis (Zhao, Jiang & Huang, 1978) · Kham plateau pitviper
321. 321Pseudocerastes fieldi Schmidt, 1930 · Field's Horned Viper
322. 322Pseudocerastes persicus (Duméril, Bibron & Duméril, 1854) · Persian Horned Viper
323. 323Pseudocerastes urarachnoides Bostanchi, Anderson, Kami & Papenfuss, 2006 · Iranian spider viper
324. 324Sistrurus catenatus (Rafinesque, 1818) · Massasauga
325. 325Sistrurus miliarius (Linnaeus, 1766) · Pygmy Rattlesnake
326. 326Sistrurus tergeminus (Say, 1823) · Prairie Massasauga [tergeminus]
327. 327Trimeresurus albolabris Gray, 1842 · White-lipped pitviper
328. 328Trimeresurus andersonii Theobald, 1868 · Anderson’s pitviper
329. 329Trimeresurus arunachalensis Captain, Deepak, Pandit, Bhatt & Athreya, 2019 · Arunachal pitviper
330. 330Trimeresurus ayeyarwadyensis Chan, Anuar, Sankar, Law, Law, Shivaram, Christian, Mulcahy & Malhotra, 2023 · Ayeyarwady pit viper · newer than the 2023 backbone
331. 331Trimeresurus calamitas Vogel, David & Sidik, 2022 · newer than the 2023 backbone
332. 332Trimeresurus cantori (Blyth, 1846) · Cantor's Pit Viper
333. 333Trimeresurus cardamomensis (Malhotra, Thorpe, Mrinalini & Stuart, 2011) · Cardamom Mountains Green Pitviper
334. 334Trimeresurus caudornatus Chen, Ding, Vogel & Shi, 2020 · Ornamental tailed pit- viper
335. 335Trimeresurus ciliaris Idiiatullina, Pawangkhanant, Tawan, Worranuch, Dechochai, Suwannapoom, Nguyen, Chanhome & Poyarkov, 2023 · Limestone Eyelash Pitviper · newer than the 2023 backbone
336. 336Trimeresurus cryptographicus Pawangkhanant, Idiiatullina, Nguyen, Ruangsuwan, Matsukoji, David, Suwannapoom & Poyarkov, 2025 · Cryptic Green Pitviper · newer than the 2023 backbone
337. 337Trimeresurus cyanolabris Idiiatullina, Nguyen, Bragin, Pawangkhanant, Le, Vogel, David & Poyarkov, 2024 · Blue-lipped green Pitviper · newer than the 2023 backbone
338. 338Trimeresurus davidi Chandramouli, Campbell & Vogel, 2020 · David's pitviper
339. 339Trimeresurus erythrochloris Pawangkhanant, Idiiatullina, Smits, Dugdale, Pierce, Suwannapoom & Poyarkov, 2025 · Red-barred Green Pitviper · newer than the 2023 backbone
340. 340Trimeresurus erythrurus (Cantor, 1839) · Redtail (bamboo) Pit Viper
341. 341Trimeresurus fasciatus (Boulenger, 1896) · Banded Pit Viper
342. 342Trimeresurus flavomaculatus (Gray, 1842) · Philippine pitviper
343. 343Trimeresurus gracilis Oshima, 1920 · Kikuchi Habu
344. 344Trimeresurus gumprechti David, Vogel, Pauwels & Vidal, 2002 · Gumprecht’s green pitviper
345. 345Trimeresurus gunaleni Vogel, David & Sidik, 2014 · Gunalen’s Pitviper
346. 346Trimeresurus guoi Chen, Shi, Vogel & Ding, 2021 · Guo’s green pit viper
347. 347Trimeresurus hageni (Lidth de Jeude, 1886) · Indonesian Pit Viper
348. 348Trimeresurus hongheensis Liang, Ding, Wang, Vogel, Shi, Gong, WU & Chen, 2025 · Honghe green pit-viper · newer than the 2023 backbone
349. 349Trimeresurus honsonensis (Grismer, Ngo & Grismer, 2008)
350. 350Trimeresurus insularis Kramer, 1977 · White-lipped island pitviper
351. 351Trimeresurus kanburiensis Smith, 1943 · Kanburi Pit Viper
352. 352Trimeresurus kirscheyi Vogel, David & Sidik, 2022 · Simeulue Pitviper · newer than the 2023 backbone
353. 353Trimeresurus kraensis Idiiatullina, Pawangkhanant, Suwannapoom, Tawan, Chanhome, Nguyen, David, Vogel & Poyarkov, 2024 · newer than the 2023 backbone
354. 354Trimeresurus kuiburi Sumontha, Suntrarachun, Pauwels, Pawangkhanant, Chomngam, Iamwiriyakul & Chanhome, 2021 · Kui Buri Pitviper
355. 355Trimeresurus labialis Fitzinger, 1867 · Nicobar bamboo pitviper
356. 356Trimeresurus lanna Idiiatullina, Nguyen, Pawangkhanant, Suwannapoom, Chanhome, Mirza, David, Vogel & Poyarkov, 2024 · Lanna green pitviper · newer than the 2023 backbone
357. 357Trimeresurus lii Cai, Gou, Wang, Liu, Liang, GU, GU, Fang, Liu, LI & Ding, 2026 · Huaxi Green Pitviper · newer than the 2023 backbone
358. 358Trimeresurus liqibini Liang, Ding, Wu, Yang & Chen, 2026 · newer than the 2023 backbone
359. 359Trimeresurus loong Xu, Deng, Zhang, Nguyen, Weng, Poyarkov, Vogel, Sun, Liao & Peng, 2025 · Kunming Green Pit Viper · newer than the 2023 backbone
360. 360Trimeresurus macrops Kramer, 1977 · Kramer's Pit Viper
361. 361Trimeresurus malcolmi Loveridge, 1938 · Malcolm’s pitviper
362. 362Trimeresurus mayaae Rathee, Purkayastha, Lalremsanga, Dalal, Biakzuala, Muansanga & Mirza, 2022 · Maya’s pit viper
363. 363Trimeresurus mcgregori Taylor, 1919 · McGregor's pitviper
364. 364Trimeresurus medoensis Zhao, 1977 · Green Bamboo Leaf Pit Viper
365. 365Trimeresurus mutabilis Stoliczka, 1870 · Central Nicobar Pit Viper
366. 366Trimeresurus nebularis Vogel, David & Pauwels, 2004 · Cameron Highlands pitviper
367. 367Trimeresurus nujiang Liang, Ding, Vogel, Chen & Wu, 2025 · newer than the 2023 backbone
368. 368Trimeresurus phuketensis Sumontha, Kunya, Pauwels, Nitikul & Punnadee, 2011 · Phuket Pitviper
369. 369Trimeresurus popeiorum Smith, 1937 · Pope’s Green Pit Viper
370. 370Trimeresurus pretiosus Xu, Nguyen, Wang, Zhang, Poyarkov, Wei, Vogel, Peng & Weng, 2025 · Yadong Green Pit Viper · newer than the 2023 backbone
371. 371Trimeresurus purpureomaculatus (Gray, 1832) · Shore Pit Viper
372. 372Trimeresurus rubeus (Malhotra, Thorpe, Mrinalini & Stuart, 2011) · Ruby-eyed Green Pitviper
373. 373Trimeresurus sabahi Regenass & Kramer, 1981 · Siamese Peninsula pitviper [fucatus]
374. 374Trimeresurus salazar Mirza, Bhosale, Phansalkar, Sawant, Gowande & Patel, 2020 · Salazar’s pit viper
375. 375Trimeresurus schultzei Griffin, 1909 · Schultze's Pit Viper
376. 376Trimeresurus septentrionalis Kramer, 1977 · Nepal pitviper
377. 377Trimeresurus sichuanensis (Guo & Wang, 2011) · Sichuan pitviper
378. 378Trimeresurus stejnegeri Schmidt, 1925
379. 379Trimeresurus sumatranus (Raffles, 1822) · Sumatra Pit Viper
380. 380Trimeresurus tenasserimensis Idiiatullina, Nguyen, Pawangkhanant, Suwannapoom, Chanhome, Mirza, David, Vogel & Poyarkov, 2024 · Tenasserim green pitviper · newer than the 2023 backbone
381. 381Trimeresurus tibetanus Huang, 1982 · Tibetan Pit Viper
382. 382Trimeresurus truongsonensis Orlov, Ryabov, Thanh & Cuc, 2004 · Quang Binh pitviper
383. 383Trimeresurus uetzi Vogel, Nguyen & David, 2023 · Uetz’ pit viper · newer than the 2023 backbone
384. 384Trimeresurus venustus Vogel, 1991 · Brown-spotted Pit Viper
385. 385Trimeresurus vogeli David, Vidal & Pauwels, 2001 · Vogel’s Pit Viper
386. 386Trimeresurus whitteni Vogel, David & Sidik, 2022 · Siberut Pitviper · newer than the 2023 backbone
387. 387Trimeresurus yunnanensis Schmidt, 1925 · Yunnan Bamboo pitviper
388. 388Tropidolaemus huttoni (Smith, 1949) · Hutton’s pitviper
389. 389Tropidolaemus laticinctus Kuch, Gumprecht & Melaun, 2007 · Broad-banded Temple Pitviper
390. 390Tropidolaemus philippensis (Gray, 1842) · South Philippine temple pitviper
391. 391Tropidolaemus subannulatus (Gray, 1842) · North Philippine temple pitviper
392. 392Tropidolaemus wagleri (Boie, 1827) · Wagler's Palm Viper
393. 393Vipera altaica Tuniyev, Nilson & Andrén, 2010
394. 394Vipera ammodytes (Linnaeus, 1758) · Sand Viper
395. 395Vipera anatolica Eiselt & Baran, 1970 · Anatolian Meadow Viper
396. 396Vipera aspis (Linnaeus, 1758) · Asp Viper
397. 397Vipera berus (Linnaeus, 1758) · Nikolsky's Viper [nikolskii]
398. 398Vipera darevskii Vedmederja, Orlov & Tuniyev, 1986 · Darevsky's Viper
399. 399Vipera dinniki Nikolsky, 1913 · Dinnik's Viper
400. 400Vipera eriwanensis (Reuss, 1933)
401. 401Vipera graeca Nilson & Andrén, 1988 · Greek Meadow Viper
402. 402Vipera kaznakovi Nikolsky, 1909 · Caucasus Viper
403. 403Vipera latastei Bosca, 1878 · Lataste’s Viper
404. 404Vipera lotievi Nilson, Tuniyev, Orlov, Hoggren & Andren, 1995 · Lotiev’s viper
405. 405Vipera meridionalis Boulenger, 1903 · Turkish Nose-horned Viper [transcaucasiana] · newer than the 2023 backbone
406. 406Vipera monticola Saint Girons, 1953 · Mountain Viper
407. 407Vipera nikolskii Vedmederya, Grubant & Rudajewa, 1986 · Northern Viper
408. 408Vipera orlovi Tuniyev & Ostrovskikh, 2001
409. 409Vipera renardi (Christoph, 1861) · Steppe Viper
410. 410Vipera sakoi (Tuniyev, Avci, Ilgaz, Olgun, Petrova, Bodrov, Geniez & Teynié, 2018) · Sako’s Viper
411. 411Vipera seoanei Lataste, 1879 · Portugese Viper
412. 412Vipera ursinii (Bonaparte, 1835) · Meadow Viper

Source: Catalogue of Life 2026-10-14 via ChecklistBank (sector: The Reptile Database 2026-06), fetched 2026-10-18.