The Nature LibraryEN·ES
← Reptiles

Colubridae

2,203 species

  1. 1Adelphicos daryi Campbell & Ford, 1982 · Dary's Burrowing Snake
  2. 2Adelphicos ibarrorum Campbell & Brodie, 1988
  3. 3Adelphicos latifasciatum Lynch & Smith, 1966 · Oaxacan Burrowing Snake
  4. 4Adelphicos newmanorum Taylor, 1950 · Middle American Burrowing Snake
  5. 5Adelphicos nigrilatum Smith, 1942 · Burrowing Snake
  6. 6Adelphicos quadrivirgatum Jan, 1862 · Middle American Burrowing Snake
  7. 7Adelphicos sargii (Fischer, 1885) · Sargi’s earth Snake
  8. 8Adelphicos veraepacis Stuart, 1941 · Stuart's Burrowing Snake
  9. 9Adelphicos visoninum (Cope, 1866) · Middle American Burrowing Snake
  10. 10Adelphostigma occipitalis (Jan, 1863) · newer than the 2023 backbone
  11. 11Adelphostigma quadriocellata (Santos, Di-Bernardo & de Lema, 2008) · newer than the 2023 backbone
  12. 12Aeluroglena cucullata Boulenger, 1898 · Somali Snake
  13. 13Afronatrix anoscopus (Cope, 1861) · African Brown Water Snake
  14. 14Ahaetulla anomala (Annandale, 1906) · Variable vine snake
  15. 15Ahaetulla borealis Mallik, Srikanthan, Pal, D'Souza, Shanker & Ganesh, 2020 · Northern Vine Snake
  16. 16Ahaetulla dispar (Günther, 1864) · Indian Bronzeback
  17. 17Ahaetulla farnsworthi Mallik, Srikanthan, Pal, D'Souza, Shanker & Ganesh, 2020 · Farnsworth's Vine Snake
  18. 18Ahaetulla fasciolata (Fischer, 1885) · Spotted Whipsnake
  19. 19Ahaetulla flavescens (Wall, 1910) · Yellow whip snake
  20. 20Ahaetulla fronticincta (Günther, 1858) · Burmese Vine Snake
  21. 21Ahaetulla fusca (Duméril, Bibron & Duméril, 1854) · Dark Whip Snake · newer than the 2023 backbone
  22. 22Ahaetulla isabellina (Wall, 1910) · Wall's Vine Snake
  23. 23Ahaetulla laudankia Deepak, Narayanan, Sarkar, Dutta & Mohapatra, 2019 · Laudankia vine snake
  24. 24Ahaetulla longirostris Mirza, Pattekar, Verma, Stuart, Purkayastha, Mohapatra & Patel, 2024 · Long-snouted vine snake · newer than the 2023 backbone
  25. 25Ahaetulla malabarica Mallik, Srikanthan, Pal, D'Souza, Shanker & Ganesh, 2020 · Malabar Vine Snake
  26. 26Ahaetulla mycterizans (Linnaeus, 1758) · Malayan (Green) Whipsnake
  27. 27Ahaetulla nasuta (Lacépède, 1789) · Long-nosed Tree Snake
  28. 28Ahaetulla oxyrhynca (Bell, 1825) · Slender-nosed Vine Snake · newer than the 2023 backbone
  29. 29Ahaetulla perroteti (Duméril, Bibron & Duméril, 1854) · Western Ghats Bronzeback
  30. 30Ahaetulla prasina (Boie, 1827) · Asian vine snake
  31. 31Ahaetulla pulverulenta (Duméril, Bibron & Duméril, 1854) · Brown-speckled Whipsnake
  32. 32Ahaetulla rufusoculara Lam, Thu, Nguyen, Murphy & Nguyen, 2021 · Red-eyed vine snake
  33. 33Ahaetulla sahyadrensis Mallik, Srikanthan, Pal, D'Souza, Shanker & Ganesh, 2020 · Sahyadri Vine Snake
  34. 34Ahaetulla travancorica Mallik, Srikanthan, Pal, D'Souza, Shanker & Ganesh, 2020 · Travancore Vine Snake
  35. 35Alsophis antiguae Parker, 1933 · Antiguan racer
  36. 36Alsophis antillensis (Schlegel, 1837) · Guadeloupe Racer
  37. 37Alsophis danforthi Cochran, 1938 · Terre-de-Bas Racer
  38. 38Alsophis manselli Parker, 1933 · Montserrat Racer
  39. 39Alsophis rijgersmaei Cope, 1870 · Leeward Islands Racer
  40. 40Alsophis rufiventris (Duméril, Bibron & Duméril, 1854) · Saba Racer
  41. 41Alsophis sanctonum Barbour, 1915 · Terre-De-Haut Racer
  42. 42Alsophis sibonius Cope, 1879 · Dominican Racer
  43. 43Amastridium sapperi (Werner, 1903) · Rusty-headed Snake
  44. 44Amastridium veliferum Cope, 1861 · Rufous-headed snake
  45. 45Amnesteophis melanauchen (Jan, 1863)
  46. 46Amnisiophis amoenus (Jan, 1863) · newer than the 2023 backbone
  47. 47Amphiesma monticola (Jerdon, 1853) · Wynad Keelback
  48. 48Amphiesma stolatum (Linnaeus, 1758) · Buff Striped Keelback
  49. 49Amphiesmoides ornaticeps (Werner, 1924) · Werner's Ornate Snake
  50. 50Anguiculus dicaprioi Mirza, Bhardwaj, Pal, Lalremsanga, Vogel, Campbell & Patel, 2024 · DiCaprio’s Himalayan snake · newer than the 2023 backbone
  51. 51Anguiculus rappii (Günther, 1860) · Himalayan stripe-necked snake · newer than the 2023 backbone
  52. 52Anoplohydrus aemulans Werner, 1909
  53. 53Apographon orestes (Harvey & Muñoz, 2004) · newer than the 2023 backbone
  54. 54Apostolepis adhara França, Barbo, Silva-Júnior, Silva & Zaher, 2018 · São Salvador burrow-snake
  55. 55Apostolepis albicollaris de Lema, 2002
  56. 56Apostolepis ambiniger (Peters, 1869) · Paraguayan Blackhead
  57. 57Apostolepis arenaria Rodrigues, 1993 · Sand dunes Blackhead
  58. 58Apostolepis assimilis (Reinhardt, 1861) · Common red Blackhead
  59. 59Apostolepis borellii Peracca, 1904
  60. 60Apostolepis breviceps Harvey, Gonzales & Scrocchi, 2001 · Chacoan Blackhead
  61. 61Apostolepis cearensis Gomes, 1915 · Gomes' Burrowing Snake
  62. 62Apostolepis christineae de Lema, 2002
  63. 63Apostolepis dimidiata (Jan, 1862) · Common bilineate Blackhead
  64. 64Apostolepis dorbignyi (Schlegel, 1837) · Bolivian Burrowing Snake
  65. 65Apostolepis flavotorquata (Duméril, Bibron & Duméril, 1854) · Central Burrowing Snake
  66. 66Apostolepis gaboi Rodrigues, 1993 · Sand-dunes Blackhead
  67. 67Apostolepis goiasensis Prado, 1942 · Goias Burrowing Snake
  68. 68Apostolepis intermedia Koslowsky, 1898 · Mato Grosso Burrowing Snake
  69. 69Apostolepis kikoi Santos, Entiauspe-Neto, Silva-Araújo, Souza & Lema
  70. 70Apostolepis lineata Cope, 1887 · Hognose lineate Blackhead
  71. 71Apostolepis longicaudata Gomes, 1921 · Longhead Burrowing Snake
  72. 72Apostolepis multicincta Harvey, 1999 · Harvey’s Blackhead
  73. 73Apostolepis nelsonjorgei de Lema & Renner, 2004
  74. 74Apostolepis niceforoi Amaral, 1935 · Colombian Blackhead
  75. 75Apostolepis nigrolineata (Peters, 1869) · Pará Blackhead
  76. 76Apostolepis nigroterminata Boulenger, 1896 · Peru Burrowing Snake
  77. 77Apostolepis phillipsae Harvey, 1999 · Phillips’ Blackhead
  78. 78Apostolepis polylepis Amaral, 1922 · Hawbeack Blackhead
  79. 79Apostolepis pymi Boulenger, 1903
  80. 80Apostolepis quinquelineata Boulenger, 1896 · Guyana Burrowing Snake
  81. 81Apostolepis quirogai Giraudo & Scrocchi, 1998 · Misiones Blackhead
  82. 82Apostolepis rondoni Amaral, 1925 · Rondônia Blackhead
  83. 83Apostolepis sanctaeritae Werner, 1924
  84. 84Apostolepis serrana de Lema & Renner, 2006
  85. 85Apostolepis striata de Lema, 2004
  86. 86Apostolepis tenuis Ruthven, 1927 · Ruthven's Burrowing Snake
  87. 87Apostolepis thalesdelemai Borges-Nojosa, Lima, Bezerra & James, 2016
  88. 88Apostolepis underwoodi de Lema & Campbell, 2017
  89. 89Apostolepis vittata (Cope, 1887) · Beaked Blackhead
  90. 90Aprosdoketophis andreonei Wallach, Lanza & Nistri, 2010
  91. 91Arcanumophis problematicus (Myers, 1986) · Problem Ground Snake
  92. 92Archelaphe bella (Stanley, 1917) · Bella Rat Snake
  93. 93Arizona elegans Kennicott, 1859
  94. 94Arizona occidentalis Blanchard, 1924
  95. 95Arizona pacata Klauber, 1946 · Peninsular Glossy Snake
  96. 96Arrhyton ainictum Schwartz & Garrido, 1981 · Las Tunas Racerlet
  97. 97Arrhyton albicollum Díaz, Fong, Salas & Hedges, 2021 · Gibara White-collared Racerlet
  98. 98Arrhyton dolichura Werner, 1909 · Habana Island Racer
  99. 99Arrhyton procerum Hedges & Garrido, 1992 · Zapata Long-tailed Racerlet
  100. 100Arrhyton redimitum (Cope, 1862) · Oriente Brown-capped Racerlet
  101. 101Arrhyton supernum Hedges & Garrido, 1992 · Oriente Black Racerlet
  102. 102Arrhyton taeniatum Günther, 1858 · Broad-striped Racerlet
  103. 103Arrhyton tanyplectum Schwartz & Garrido, 1981 · Guaniguanico Racerlet
  104. 104Arrhyton vittatum (Gundlach, 1861) · Cuban Short-tailed Racerlet
  105. 105Aspidura brachyorrhos (Boie, 1827) · Boie's Rough-sided Snake
  106. 106Aspidura ceylonensis (Günther, 1858) · Ceylon Keelback
  107. 107Aspidura copei Günther, 1864
  108. 108Aspidura deraniyagalae Gans & Fetcho, 1982 · Sri Lanka Rough-sided Snake
  109. 109Aspidura desilvai Wickramasinghe, Bandara, Vidanapathirana & Wickramasinghe, 2019 · de Silva’s Rough-Side Snake
  110. 110Aspidura drummondhayi Boulenger, 1904 · Drummond-Hay's Rough-sided Snake
  111. 111Aspidura guentheri Ferguson, 1876 · Günther's Rough-sided Snake
  112. 112Aspidura ravanai Wickramasinghe, Vidanapathirana, Kandambi, Pyron & Wickramasinghe, 2017 · Ravana’s rough-side snake
  113. 113Aspidura trachyprocta Cope, 1860 · Common Rough-sided Snake
  114. 114Atractus aboiporu Melo-Sampaio, Passos, Fouquet, Costa-Prudente & Torres-Carvajal, 2019
  115. 115Atractus acheronius Passos, Rivas-Fuenmayor & Barrio-Amorós, 2009
  116. 116Atractus akerios Melo-Sampaio, Passos, Prudente, Venegas & Torres-Carvajal, 2021
  117. 117Atractus albuquerquei Cunha & Nascimento, 1983 · Albuquerque Ground Snake
  118. 118Atractus alphonsehogei Cunha & Nascimento, 1983 · Alphonse's Ground Snake
  119. 119Atractus altagratiae Passos & Fernandes, 2008
  120. 120Atractus alytogrammus Köhler & Kieckbusch, 2014
  121. 121Atractus andinus Prado, 1944 · Andean Ground Snake
  122. 122Atractus apophis Passos & Lynch, 2010
  123. 123Atractus arangoi Prado, 1940 · Brown Ground Snake
  124. 124Atractus atlas Passos, Scanferla, Melo-Sampaio, Brito & Almendariz, 2018 · Atlas Ground Snake
  125. 125Atractus atratus Passos & Lynch, 2010
  126. 126Atractus attenuatus Myers & Schargel, 2006
  127. 127Atractus avernus Passos, Chiesse, Torres-Carvajal & Savage, 2009
  128. 128Atractus ayeush Esqueda, 2011
  129. 129Atractus badius (Boie, 1827)
  130. 130Atractus biseriatus Prado, 1941 · Two-lined Ground Snake
  131. 131Atractus bocki Werner, 1909 · Bock's Ground Snake
  132. 132Atractus bocourti Boulenger, 1894 · Bocourt's Ground Snake
  133. 133Atractus boimirim Passos, Prudente & Lynch, 2016
  134. 134Atractus boulengerii Peracca, 1896
  135. 135Atractus caete Passos, Fernandes, Bérnils & Moura-Leite, 2010
  136. 136Atractus careolepis Köhler & Kieckbusch, 2014
  137. 137Atractus carrioni Parker, 1930 · Parker's Ground Snake
  138. 138Atractus caxiuana Costa Prudente & Santos-Costa, 2006
  139. 139Atractus cerberus Arteaga, Mebert, Valencia, Cisneros-Heredia, Peñafiel, Reyes-Puig, Vieira-Fernandes & Guayasamin, 2017 · Cerberus Groundsnake
  140. 140Atractus charitoae Silva Haad, 2004
  141. 141Atractus chthonius Passos & Lynch, 2010
  142. 142Atractus clarki Dunn & Bailey, 1939 · Clark's Ground Snake
  143. 143Atractus collaris Peracca, 1897 · Collared Ground Snake
  144. 144Atractus crassicaudatus (Duméril, Bibron & Duméril, 1854) · Thickhead Ground Snake
  145. 145Atractus dapsilis Melo-Sampaio, Passos, Fouquet, Costa-Prudente & Torres-Carvajal, 2019
  146. 146Atractus darienensis Myers, 2003
  147. 147Atractus dativus Passos, Meneses-Pelayo, Ramos, Martins, Machado, Lopes, Barrio-Amorós & Lynch, 2024 · newer than the 2023 backbone
  148. 148Atractus depressiocellus Myers, 2003
  149. 149Atractus discovery Arteaga, Quezada, Vieira & Guayasamin, 2022 · Discovery Ground Snake.
  150. 150Atractus duboisi (Boulenger, 1880)
  151. 151Atractus duidensis Roze, 1961 · Venezuela Ground Snake
  152. 152Atractus dunni Savage, 1955 · Dunn's Ground Snake
  153. 153Atractus echidna Passos, Mueses-Cisneros, Lynch & Fernandes, 2009
  154. 154Atractus ecuadorensis Savage, 1955 · Ecuadorean Ground Snake
  155. 155Atractus edioi da Silva, Rodrigues Silva, Ribeiro, Souza & DO Amaral Souza, 2005
  156. 156Atractus elaps (Günther, 1858) · Black Ground Snake
  157. 157Atractus emigdioi González-Sponga, 1971 · Emigdio’s Ground Snake
  158. 158Atractus emmeli (Boettger, 1888) · Emmel's Ground Snake
  159. 159Atractus erythromelas Boulenger, 1903 · Red-black Ground Snake
  160. 160Atractus esepe Arteaga, Mebert, Valencia, Cisneros-Heredia, Peñafiel, Reyes-Puig, Vieira-Fernandes & Guayasamin, 2017 · Indistinct Groundsnake
  161. 161Atractus favae (de Filippi, 1840) · Filippi's Ground Snake
  162. 162Atractus flammigerus (Boie, 1827) · Flaming Ground Snake
  163. 163Atractus franciscopaivai Silva Haad, 2004
  164. 164Atractus francoi Passos, Fernandes, Bérnils & Moura-Leite, 2010
  165. 165Atractus fuliginosus (Hallowell, 1845) · Hallowell's Ground Snake
  166. 166Atractus gaigeae (Savage, 1955) · Gaige's Ground Snake
  167. 167Atractus gigas Myers & Schargel, 2006
  168. 168Atractus guentheri (Wucherer, 1861) · Günther's Ground Snake
  169. 169Atractus heliobelluomini Silva Haad, 2004
  170. 170Atractus heyeri Esqueda & Mcdiarmid, 2015
  171. 171Atractus hoogmoedi Prudente & Passos, 2010
  172. 172Atractus hostilitractus Myers, 2003
  173. 173Atractus imperfectus Myers, 2003
  174. 174Atractus indistinctus Prado, 1940 · Striped Ground Snake [vertebrolineatus]
  175. 175Atractus insipidus Roze, 1961
  176. 176Atractus iridescens Peracca, 1896 · Iridescent Ground Snake
  177. 177Atractus lancinii Roze, 1961 · Lancini's Ground Snake
  178. 178Atractus lasallei Amaral, 1931 · Lasalle's Ground Snake
  179. 179Atractus latifrons (Günther, 1868) · Broadhead Ground Snake
  180. 180Atractus lehmanni Boettger, 1898 · Lehmann's Ground Snake
  181. 181Atractus loveridgei Amaral, 1930 · Loveridge's Ground Snake
  182. 182Atractus macondo Passos, Lynch & Fernandes, 2009
  183. 183Atractus maculatus (Günther, 1858) · Spotted Ground Snake
  184. 184Atractus major Boulenger, 1894 · Brown Ground Snake
  185. 185Atractus manizalesensis Prado, 1940
  186. 186Atractus mariselae Lancini, 1969 · Marisela's Ground Snake
  187. 187Atractus marthae Meneses-Pelayo & Passos, 2019 · Martha’s Groundsnake
  188. 188Atractus matthewi Markezich & Barrio-Amorós, 2004
  189. 189Atractus medusa Passos, Mueses-Cisneros, Lynch & Fernandes, 2009
  190. 190Atractus melanogaster Werner, 1916 · Blackbelly Ground Snake
  191. 191Atractus melas Boulenger, 1908 · Dark Ground Snake
  192. 192Atractus meridensis Esqueda & LA Marca, 2005
  193. 193Atractus michaelsabini Arteaga, Quezada, Vieira & Guayasamin, 2022 · Michael Sabin’s Ground Snake.
  194. 194Atractus micheleae Esqueda & LA Marca, 2005
  195. 195Atractus microrhynchus (Cope, 1868)
  196. 196Atractus modestus Boulenger, 1894 · Modest Ground Snake
  197. 197Atractus muisca Passos, Meneses-Pelayo, Ramos, Martins, Machado, Lopes, Barrio-Amorós & Lynch, 2024 · newer than the 2023 backbone
  198. 198Atractus multicinctus (Jan, 1865) · Banded Ground Snake
  199. 199Atractus multidentatus Passos, Rivas-Fuenmayor & Barrio-Amorós, 2009
  200. 200Atractus nasutus Passos, Arredondo, Fernandes & Lynch, 2009
  201. 201Atractus natans Hoogmoed & Prudente, 2003
  202. 202Atractus nawa Melo-Sampaio, Passos, Prudente, Venegas & Torres-Carvajal, 2021
  203. 203Atractus nemosophis Esqueda, Rojas-Runjaic, Prudente, Bazó, Navarrete, Carmargo-Sillet, Ortiz, Correa, Guerrero & Urra, 2025 · newer than the 2023 backbone
  204. 204Atractus nicefori Amaral, 1930 · Northern Ground Snake
  205. 205Atractus nigricaudus Schmidt & Walker, 1943 · Black-headed Ground Snake
  206. 206Atractus nigriventris Amaral, 1933 · Black-ventered Ground Snake
  207. 207Atractus obesus Marx, 1960 · Fat Ground Snake
  208. 208Atractus obtusirostris Werner, 1916 · Bignose Ground Snake
  209. 209Atractus occidentalis Savage, 1955 · Western Ground Snake
  210. 210Atractus occipitoalbus (Jan, 1862) · Gray Ground Snake
  211. 211Atractus oculotemporalis Amaral, 1932 · Hispanic Ground Snake
  212. 212Atractus orcesi Savage, 1955
  213. 213Atractus pachacamac Melo-Sampaio, Passos, Prudente, Venegas & Torres-Carvajal, 2021
  214. 214Atractus paisa Passos, Arredondo, Fernandes & Lynch, 2009
  215. 215Atractus pamplonensis Amaral, 1935 · Pamplona Ground Snake
  216. 216Atractus pantostictus Fernandes & Puorto, 1993
  217. 217Atractus paraguayensis Werner, 1924
  218. 218Atractus paucidens (Despax, 1910) · Despax's Ground Snake
  219. 219Atractus pauciscutatus Schmidt & Walker, 1943 · Little-scaled Ground Snake
  220. 220Atractus paulus Melo-Sampaio & Venegas, 2023
  221. 221Atractus pearti Passos, Meneses-Pelayo, Ramos, Martins, Machado, Lopes, Barrio-Amorós & Lynch, 2024 · newer than the 2023 backbone
  222. 222Atractus peruvianus (Jan, 1862) · Peru Ground Snake
  223. 223Atractus poeppigi (Jan, 1862) · Basin Ground Snake
  224. 224Atractus potschi Fernandes, 1995
  225. 225Atractus punctiventris Amaral, 1933 · Pointed Ground Snake
  226. 226Atractus resplendens Werner, 1901 · Resplendent Ground Snake
  227. 227Atractus reticulatus (Boulenger, 1885) · Reticulate Ground Snake
  228. 228Atractus riveroi Roze, 1961 · Rivero's Ground Snake
  229. 229Atractus ronnie Passos, Fernandes & Borges-Nojosa, 2007
  230. 230Atractus roulei Despax, 1910 · Pyron’s Groundsnake [pyroni]
  231. 231Atractus sanctaemartae Dunn, 1946 · St. Marta's Ground Snake
  232. 232Atractus sanguineus Prado, 1944 · Bloody Ground Snake
  233. 233Atractus savagei Salazar-Valenzuela, Torres-Carvajal & Passos, 2014 · Savage’s Groundsnake
  234. 234Atractus schach (Boie, 1827) · Schach's Ground Snake
  235. 235Atractus serranus Amaral, 1930 · Sao Paulo Ground Snake
  236. 236Atractus snethlageae Cunha & Nascimento, 1983
  237. 237Atractus spinalis Passos, Teixeira Jr, Recoder, DE Sena, Dal Vechio, Arruda-Pinto, Mendonça, Cassimiro & Rodrigues, 2013
  238. 238Atractus steyermarki Roze, 1958
  239. 239Atractus stygius Passos, Azevedo, Nogueira, Fernandes & Sawaya, 2019
  240. 240Atractus surucucu Prudente, 2008
  241. 241Atractus tamessari Kok, 2006
  242. 242Atractus taphorni Schargel & García-Pérez, 2002
  243. 243Atractus tartarus Passos, Prudente & Lynch, 2016
  244. 244Atractus thalesdelemai Passos, Fernandes & Zanella, 2005
  245. 245Atractus titanicus Passos, Arredondo, Fernandes & Lynch, 2009
  246. 246Atractus torquatus (Duméril, Bibron & Duméril, 1854) · Neckband Ground Snake
  247. 247Atractus touzeti Schargel, Lamar, Passos, Valencia, Cisneros-Heredia & Campbell, 2013
  248. 248Atractus trefauti Melo-Sampaio, Passos, Fouquet, Costa-Prudente & Torres-Carvajal, 2019
  249. 249Atractus trihedrurus Amaral, 1926 · Southern Ground Snake
  250. 250Atractus trilineatus Wagler, 1828 · Three-lined Ground Snake
  251. 251Atractus tritono Passos, Meneses-Pelayo, Ramos, Martins, Machado, Lopes, Barrio-Amorós & Lynch, 2024 · newer than the 2023 backbone
  252. 252Atractus turikensis Barros, 2000
  253. 253Atractus typhon Passos, Mueses-Cisneros, Lynch & Fernandes, 2009
  254. 254Atractus ukupacha Melo-Sampaio, Passos, Prudente, Venegas & Torres-Carvajal, 2021
  255. 255Atractus uroborus Passos, Meneses-Pelayo, Ramos, Martins, Machado, Lopes, Barrio-Amorós & Lynch, 2024 · newer than the 2023 backbone
  256. 256Atractus variegatus Prado, 1942 · Variegated Ground Snake
  257. 257Atractus ventrimaculatus Boulenger, 1905 · Speckled Ground Snake
  258. 258Atractus vertebralis Boulenger, 1904 · Vertebral Ground Snake
  259. 259Atractus vittatus Boulenger, 1894
  260. 260Atractus wagleri Prado, 1945 · Wagler's Ground Snake
  261. 261Atractus werneri Peracca, 1914 · Werner's Ground Snake
  262. 262Atractus xaxi Esqueda, Rojas-Runjaic, Prudente, Bazó, Navarrete, Carmargo-Sillet, Ortiz, Correa, Guerrero & Urra, 2025 · newer than the 2023 backbone
  263. 263Atractus zebrinus (Jan, 1862)
  264. 264Atractus zgap Arteaga, Quezada, Vieira & Guayasamin, 2022 · ZGAP Ground Snake.
  265. 265Atractus zidoki Gasc & Rodrigues, 1979 · Zidok's Ground Snake
  266. 266Atretium schistosum (Daudin, 1803) · Olive keelback wart snake
  267. 267Baliodryas steinbachi (Boulenger, 1905)
  268. 268Bamanophis dorri (Lataste, 1888)
  269. 269Bogertophis rosaliae (Mocquard, 1899) · Baja California Rat Snake
  270. 270Bogertophis subocularis (Brown, 1902)
  271. 271Boiga andamanensis (Wall, 1909) · Andaman Cat Snake
  272. 272Boiga angulata (Peters, 1861) · Leyte Cat Snake
  273. 273Boiga barnesii (Günther, 1869) · Barnes’ Cat Snake
  274. 274Boiga beddomei (Wall, 1909) · Beddome's Cat Snake
  275. 275Boiga bengkuluensis Orlov, Kudryavtzev, Ryabov & Shumakov, 2003 · Bengkulu Cat snake
  276. 276Boiga bourreti Tillack, Ziegler & Khac Quyet, 2004 · Bourret’s Cat Snake
  277. 277Boiga ceylonensis (Günther, 1858) · Sri Lanka Cat Snake
  278. 278Boiga cyanea (Duméril, Bibron & Duméril, 1854) · Green Cat Snake
  279. 279Boiga cynodon (Boie, 1827) · Dog-toothed Cat Snake
  280. 280Boiga dendrophila (Boie, 1827) · Ularburong
  281. 281Boiga dightoni (Boulenger, 1894) · Whitaker's cat snake [
  282. 282Boiga drapiezii (Boie, 1827) · White-spotted Cat Snake
  283. 283Boiga flaviviridis Vogel & Ganesh, 2013 · Yellow-green cat snake
  284. 284Boiga forsteni (Duméril, Bibron & Duméril, 1854) · Forsten's Cat Snake
  285. 285Boiga gocool (Gray, 1834) · Arrowback Tree Snake
  286. 286Boiga guangxiensis Wen, 1998
  287. 287Boiga hoeseli Ramadhan, Iskandar & Subasri, 2010 · Lesser Sundas Cat Snake
  288. 288Boiga irregularis (Bechstein, 1802) · Brown Tree Snake
  289. 289Boiga jaspidea (Duméril, Bibron & Duméril, 1854) · Jasper Cat Snake
  290. 290Boiga kraepelini Stejneger, 1902 · Kelung Cat Snake
  291. 291Boiga melanota (Boulenger, 1896)
  292. 292Boiga multifasciata (Blyth, 1861) · Many-banded Tree Snake
  293. 293Boiga multomaculata (Boie, 1827) · Ocellated Asian Cat snake
  294. 294Boiga nigriceps (Günther, 1863) · Black-headed Cat Snake
  295. 295Boiga nuchalis (Günther, 1875) · Collared Catsnake
  296. 296Boiga philippina (Peters, 1867) · Philippine Cat Snake
  297. 297Boiga quincunciata (Wall, 1908) · Assamese Cat Snake
  298. 298Boiga ranawanei Samarawickrama, Samarawickrama, Wijesena & Orlov, 2005 · Ranawana’s Cat Snake
  299. 299Boiga saengsomi Nutaphand, 1985 · Banded Cat Snake
  300. 300Boiga schultzei Taylor, 1923 · Schultz's Blunt-headedTree Snake
  301. 301Boiga siamensis Nutaphand, 1971 · Eyed Cat Snake
  302. 302Boiga stoliczkae (Wall, 1909) · Tawny Cat Snake
  303. 303Boiga tanahjampeana Orlov & Ryabov, 2002 · Tanahjampea Cat Snake
  304. 304Boiga thackerayi Giri, Deepak, Captain, Pawar & Tillack, 2019 · Thackeray’s Cat Snake
  305. 305Boiga trigonata (Schneider, 1802) · Indian Gamma Snake
  306. 306Boiga wallachi Das, 1998 · Nicobar Cat Snake
  307. 307Boiga westermanni (Reinhardt, 1863) · Indian Egg-eating Snake
  308. 308Boiruna maculata (Boulenger, 1896) · Mussurana
  309. 309Boiruna sertaneja Zaher, 1996
  310. 310Borikenophis portoricensis (Reinhardt & Lütken, 1862) · Puerto Rican Racer
  311. 311Borikenophis prymnus (Schwartz, 1966) · Puerto Rican Racer
  312. 312Borikenophis sanctaecrucis (Cope, 1862) · Saint Croix Racer
  313. 313Borikenophis variegatus (Schmidt, 1926) · Puerto Rican Racer
  314. 314Caaeteboia amarali (Wettstein, 1930) · Amaral's Ground Snake
  315. 315Caaeteboia gaeli Montingelli, Barbo, Pereira-Filho, Santana, Rodrigues-França, Grazziotin & Zaher, 2020
  316. 316Calamaria abramovi Orlov, 2009
  317. 317Calamaria abstrusa Inger & Marx, 1965
  318. 318Calamaria acutirostris Boulenger, 1896 · Pointed Snout Reed Snake
  319. 319Calamaria albiventer (Gray, 1834) · White-bellied Reed Snake
  320. 320Calamaria alcalai Weinell, Leviton & Brown, 2020 · Alcala's Reed Snake
  321. 321Calamaria alidae Boulenger, 1920
  322. 322Calamaria andersoni Yang & Zheng, 2018 · Anderson’s Reed Snake
  323. 323Calamaria apraeocularis Smith, 1927 · Apreocular Reed Snake
  324. 324Calamaria arcana Yeung, Lau & Yang, 2022 · Lingnan Reed Snake
  325. 325Calamaria banggaiensis Koch, Arida, Mcguire, Iskandar & Böhme, 2009 · Banggai reed snake
  326. 326Calamaria battersbyi Inger & Marx, 1965
  327. 327Calamaria berezowskii Günther, 1896 · Berezowski’s Reed Snake
  328. 328Calamaria bicolor Duméril, Bibron & Duméril, 1854 · Two-colored Dwarf Snake
  329. 329Calamaria bitorques Peters, 1872 · Luzon Dwarf Snake
  330. 330Calamaria boesemani Inger & Marx, 1965 · Boeseman’s Reed Snake
  331. 331Calamaria borneensis Bleeker, 1860
  332. 332Calamaria brongersmai Inger & Marx, 1965 · Brongersma’s Reed Snake
  333. 333Calamaria buchi Marx & Inger, 1955 · Dalat Dwarf Snake
  334. 334Calamaria butonensis Howard & Gillespie, 2007
  335. 335Calamaria ceramensis de Rooij, 1913
  336. 336Calamaria concolor Orlov, Truong, Tao, Ananjeva & Cuc, 2010
  337. 337Calamaria crassa Lidth de Jeude, 1922
  338. 338Calamaria curta Boulenger, 1896 · Dark-bellied Reed Snake
  339. 339Calamaria doederleini Gough, 1902
  340. 340Calamaria dominici Ziegler, Tran & Nguyen, 2019 · Dominic’s reed snake
  341. 341Calamaria eiselti Inger & Marx, 1965
  342. 342Calamaria everetti Boulenger, 1893
  343. 343Calamaria forcarti Inger & Marx, 1965
  344. 344Calamaria garoensis Bharali, Sangma, Amarasinghe, Bohra, Swargiary, Marak, Hazarika, Das, Asem, Lyngdoh, Lalremsanga & Purkayastha, 2026 · Garo Hills Reed Snake · newer than the 2023 backbone
  345. 345Calamaria gervaisii Duméril, Bibron & Duméril, 1854 · Gervais’ Reed Snake
  346. 346Calamaria gialaiensis Ziegler, Sang & Truong, 2008 · Gia Lai reed snake
  347. 347Calamaria grabowskyi Fischer, 1885
  348. 348Calamaria gracillima (Günther, 1872)
  349. 349Calamaria griswoldi Loveridge, 1938
  350. 350Calamaria hilleniusi Inger & Marx, 1965
  351. 351Calamaria hunanensis Zhang, Zhu, Wei, Shu, Li, Vogel, Niu, Ding, Chen, Guo & Shi, 2026 · Hunan Reed Snake · newer than the 2023 backbone
  352. 352Calamaria incredibilis Qi, Nguyen, Wang, Zeng, Shi, Xu, Song, Huang, Mo, Poyarkov & Wang, 2026 · Guangxi Reed Snake · newer than the 2023 backbone
  353. 353Calamaria ingeri Grismer, Kaiser & Yaakob, 2004
  354. 354Calamaria javanica Boulenger, 1891
  355. 355Calamaria jinggangensis Cai, Jiang, Wu, Huang, Fei & Ding, 2023 · newer than the 2023 backbone
  356. 356Calamaria joloensis Taylor, 1922 · Jolo Worm Snake
  357. 357Calamaria lateralis Mocquard, 1890
  358. 358Calamaria lautensis de Rooij, 1917
  359. 359Calamaria leucogaster Bleeker, 1860 · Ampat Lawang Dwarf Snake
  360. 360Calamaria linnaei Boie, 1827 · Linne's Dwarf Snake
  361. 361Calamaria longirostris Howard & Gillespie, 2007
  362. 362Calamaria lovii Boulenger, 1887 · Lowi’s Reed Snake
  363. 363Calamaria lumbricoidea Boie, 1827 · Variable Reed Snake
  364. 364Calamaria lumholtzi Andersson, 1923
  365. 365Calamaria margaritophora Bleeker, 1860 · Bleeker's Dwarf Snake
  366. 366Calamaria mecheli Schenkel, 1901
  367. 367Calamaria melanota Jan, 1862
  368. 368Calamaria mizoramensis Lalremsanga, Malsawmdawngliana, Bal, Abeiryureilai, Hruai, Korolev, Vogel, Poyarkov & Nguyen, 2026 · newer than the 2023 backbone
  369. 369Calamaria modesta Duméril, Bibron & Duméril, 1854
  370. 370Calamaria muelleri Boulenger, 1896 · Mueller’s Reed Snake · newer than the 2023 backbone
  371. 371Calamaria nebulosa Lee, 2021 · Clouded Reed Snake
  372. 372Calamaria nuchalis Boulenger, 1896 · Narrow-headed Reed Snake
  373. 373Calamaria palavanensis Inger & Marx, 1965 · Palawan Worm Snake
  374. 374Calamaria pavimentata Duméril, Bibron & Duméril, 1854 · Collared Reed Snake
  375. 375Calamaria pfefferi Stejneger, 1901 · Pfeffer's reed snake
  376. 376Calamaria prakkei Lidth de Jeude, 1893 · Prakke’s Reed Snake
  377. 377Calamaria rebentischi Bleeker, 1860
  378. 378Calamaria sangi Nguyen, Koch & Ziegler, 2009 · Sang's reed snake
  379. 379Calamaria schlegeli Duméril, Bibron & Duméril, 1854 · Pink-headed Reed Snake
  380. 380Calamaria schmidti Marx & Inger, 1955 · Schmidt's Reed Snake
  381. 381Calamaria septentrionalis Boulenger, 1890 · Hong Kong Dwarf Snake
  382. 382Calamaria similis Qi, Nguyen, Yang, Xu, David, Shi, Liu, Rong, Korolev, Poyarkov & Wang, 2026 · Similar Reed Snake · newer than the 2023 backbone
  383. 383Calamaria strigiventris Poyarkov, Nguyen, Orlov & Vogel, 2019 · Striped- belly reed snake
  384. 384Calamaria suluensis Taylor, 1922 · Sulu Reed Snake; Yellow-bellied Reed Snake
  385. 385Calamaria sumatrana Edeling, 1870 · Sumatra Dwarf Snake
  386. 386Calamaria synergis Zhang, Xu, Nguyen, Poyarkov, Vogel, Wang & Huang, 2025 · newer than the 2023 backbone
  387. 387Calamaria thanhi Ziegler & Quyet, 2005 · Thanh’s reed snake
  388. 388Calamaria ulmeri Sackett, 1940
  389. 389Calamaria virgulata Boie, 1827 · Boie's Dwarf Snake
  390. 390Calamaria yunnanensis Chernov, 1962 · Yunnan reed snake
  391. 391Calamodontophis paucidens (Amaral, 1936) · Tropical Forest Snake
  392. 392Calamodontophis ronaldoi Franco, de Carvalho-Cintra & de Lema, 2006
  393. 393Calamorhabdium acuticeps Ahl, 1933 · Sulawesi Iridescent Snake
  394. 394Calamorhabdium kuekenthali Boettger, 1898 · Batjan Iridescent Snake
  395. 395Caraiba andreae (Reinhardt & Lütken, 1862) · Cuban Lesser Racer
  396. 396Carphophis amoenus (Say, 1825)
  397. 397Carphophis vermis (Kennicott, 1859) · Western Worm Snake
  398. 398Cemophora coccinea (Blumenbach, 1788) · Scarlet Snake
  399. 399Cemophora lineri Williams, Brown & Wilson, 1966 · Texas Scarlet Snake
  400. 400Cenaspis aenigma Campbell, Smith & Hall, 2018
  401. 401Cercophis auratus (Schlegel, 1837) · Schlegel's Golden Snake
  402. 402Chapinophis xanthocheilus Campbell & Smith, 1998
  403. 403Chersodromus australis Canseco-Márquez, Ramírez-González & Campbell, 2018
  404. 404Chersodromus liebmanni Reinhardt, 1861 · Liebmann's Earth Runner
  405. 405Chersodromus nigrum Canseco-Márquez, Ramírez-González & Campbell, 2018
  406. 406Chersodromus rubriventris (Taylor, 1949) · Redbelly Earth Runner
  407. 407Chironius bicarinatus (Wied-Neuwied, 1820) · Two-headed Sipo
  408. 408Chironius brazili Hamdan & Fernandes, 2015
  409. 409Chironius carinatus (Linnaeus, 1758) · Whipsnake
  410. 410Chironius challenger Kok, 2010
  411. 411Chironius cochranae Hoge & Romano, 1969 · South American Sipo
  412. 412Chironius diamantina Fernandes & Hamdan, 2014
  413. 413Chironius dracomaris Sudré, Andrade-Junior, Folly, Azevedo, Ávila, Curcio, Sales Nunes & Passos, 2024 · newer than the 2023 backbone
  414. 414Chironius exoletus (Linnaeus, 1758) · Linnaeus' Sipo
  415. 415Chironius flavolineatus (Boettger, 1885) · Boettger's Sipo
  416. 416Chironius flavopictus (Werner, 1909) · Sipo
  417. 417Chironius foveatus Bailey, 1955 · South American Sipo
  418. 418Chironius fuscus (Linnaeus, 1758) · Brown Sipo
  419. 419Chironius gouveai Entiauspe-Neto, Lúcio-Lyra, Koch, Marques-Quintela, Diesel-Abegg & Loebmann, 2020 · Gouvea’s Sipo
  420. 420Chironius grandisquamis (Peters, 1869) · Ecuador Sipo
  421. 421Chironius laevicollis (Wied-Neuwied, 1824) · Brazilian Sipo
  422. 422Chironius laurenti Dixon, Wiest & Cei, 1993
  423. 423Chironius leucometapus Dixon, Wiest & Cei, 1993 · Yellow-headed Sipo
  424. 424Chironius maculoventris Dixon, Wiest & Cei, 1993 · Central Sipo
  425. 425Chironius monticola Roze, 1952 · Mountain Sipo
  426. 426Chironius multiventris Schmidt & Walker, 1943 · South American Sipo
  427. 427Chironius nigelnoriegai Jadin, Jowers, Blair, Ludwig, Salgado-Irazabal & Murphy, 2024 · Trinidadian Sipo · newer than the 2023 backbone
  428. 428Chironius quadricarinatus (Boie, 1827) · Central Sipo
  429. 429Chironius scurrula (Wagler, 1824) · harlequin snake
  430. 430Chironius septentrionalis Dixon, Wiest & Cei, 1993 · South American Coachwhip
  431. 431Chironius spixii (Hallowell, 1845) · Sipo
  432. 432Chironius vincenti (Boulenger, 1891) · San Vincent Racer
  433. 433Chironius whipala Quinteros-Muñoz, Gómez-Murillo, Camacho-Badani, Aguayo, Carpio-Real, Pérez, Marca, Gonzales & Torres-Carvajal, 2024 · Whipala Sipos · newer than the 2023 backbone
  434. 434Chironius xaraes Sudré, Ceríaco & Torres-Carvajal · newer than the 2023 backbone
  435. 435Chlorosoma dunupyana Melo-Sampaio, Passos, Martins, Jennings, Moura-Leite, Morato, Venegas, Chávez, Venâncio & Souza, 2020
  436. 436Chlorosoma laticeps (Werner, 1900)
  437. 437Chlorosoma viridissimum (Linnaeus, 1758) · Common Green Racer
  438. 438Chrysopelea ornata (Shaw, 1802) · Indian Flying Snake
  439. 439Chrysopelea paradisi Boie, 1827 · Paradise Tree Snake · full sheet
  440. 440Chrysopelea pelias (Linnaeus, 1758) · Twin-barred Tree Snake
  441. 441Chrysopelea rhodopleuron Boie, 1827 · Moluccan Flying Snake
  442. 442Chrysopelea taprobanica Smith, 1943 · Indian Flying Snake
  443. 443Clelia clelia (Daudin, 1803) · Black Mussurana
  444. 444Clelia equatoriana (Amaral, 1924) · Equatorial Mussurana
  445. 445Clelia errabunda Underwood, 1993 · Saint Lucia Cribo
  446. 446Clelia hussami Morato, Franco & Sanches, 2003
  447. 447Clelia langeri Reichle & Embert, 2005
  448. 448Clelia plumbea (Wied-Neuwied, 1820)
  449. 449Clelia scytalina (Cope, 1867) · Mexican Snake Eater
  450. 450Clonophis kirtlandii (Kennicott, 1856) · Kirtland's Snake
  451. 451Coelognathus enganensis (Vinciguerra, 1892) · Enggano Rat Snake
  452. 452Coelognathus erythrurus (Duméril, Bibron & Duméril, 1854) · Reddish Rat Snake
  453. 453Coelognathus flavolineatus (Schlegel, 1837) · Black Copper Rat Snake
  454. 454Coelognathus helena (Daudin, 1803) · Trinket Snake
  455. 455Coelognathus philippinus (Griffin, 1909) · Reddish Rat Snake
  456. 456Coelognathus radiatus (Boie, 1827) · Copper-headed Trinket Snake
  457. 457Coelognathus subradiatus (Schlegel, 1837) · Lesser Sunda Rat Snake
  458. 458Collorhabdium williamsoni Smedley, 1932 · Williamson's Reed Snake
  459. 459Coluber constrictor Linnaeus, 1758 · Eastern Racer
  460. 460Colubroelaps adleri Poyarkov, Bragin & Nguyen, 2024 · Adler’s lace snake · newer than the 2023 backbone
  461. 461Colubroelaps nguyenvansangi Orlov, Kharin, Ananjeva, Nguyen & Nguyen, 2009 · Nguyenvansang’s Snake.
  462. 462Coniophanes alvarezi Campbell, 1989 · Chiapan Stripeless Snake
  463. 463Coniophanes andresensis Bailey, 1937 · San Andres Snake
  464. 464Coniophanes bipunctatus (Günther, 1858) · Two-spotted Snake
  465. 465Coniophanes dromiciformis (Peters, 1863) · Peters' Running Snake
  466. 466Coniophanes fissidens (Günther, 1858) · Eduardo’s forest snake [eduardoi]
  467. 467Coniophanes imperialis (Baird & Girard, 1859) · Tamaulipan Black-striped Snake [imperialis]
  468. 468Coniophanes joanae Myers, 1966
  469. 469Coniophanes lateritius Cope, 1862 · Stripeless Snake
  470. 470Coniophanes longinquus Cadle, 1989
  471. 471Coniophanes melanocephalus (Peters, 1870)
  472. 472Coniophanes meridanus Schmidt & Andrews, 1936 · Peninsula Stripeless Snake
  473. 473Coniophanes michoacanensis Flores-Villela & Smith, 2009
  474. 474Coniophanes piceivittis Cope, 1870 · Cope's Black-striped Snake
  475. 475Coniophanes quinquevittatus (Duméril, Bibron & Duméril, 1854) · Fife-striped Snake
  476. 476Coniophanes schmidti Bailey, 1937 · Faded Black-striped Snake
  477. 477Coniophanes taeniata (Peters, 1870) · Cope's Black-striped Snake
  478. 478Coniophanes taylori Hall, 1951
  479. 479Conophis lineatus (Duméril, Bibron & Duméril, 1854) · Road Guarder
  480. 480Conophis morai Pérez-Higareda, López-Luna & Smith, 2002 · Mora's Road Guarder
  481. 481Conophis vittatus Peters, 1860 · Striped Road Guarder
  482. 482Conopsis acuta (Cope, 1886) · Spotted Tolucan Earthsnake
  483. 483Conopsis amphisticha (Smith & Laufe, 1945) · Twin-spotted Tolucan Ground Snake
  484. 484Conopsis biserialis (Taylor & Smith, 1942) · Two-lined Mexican Earth Snake
  485. 485Conopsis lineata (Kennicott, 1859) · Lined Tolucan Earthsnake
  486. 486Conopsis megalodon (Taylor & Smith, 1942) · San Felipe Ground Snake
  487. 487Conopsis nasus (Günther, 1858) · Largenose Earth Snake
  488. 488Contia longicauda Feldman & Hoyer, 2010 · Forest Sharp-tailed Snake
  489. 489Contia tenuis (Baird & Girard, 1852) · (Common) Sharptail Snake
  490. 490Coronelaps lepidus (Reinhardt, 1861) · Minas Gerais Snake
  491. 491Coronella austriaca Laurenti, 1768 · Smooth Snake · newer than the 2023 backbone
  492. 492Coronella girondica (Daudin, 1803) · Southern Smooth Snake
  493. 493Crisantophis nevermanni (Dunn, 1937) · Dunn's Road Guarder
  494. 494Crotaphopeltis barotseensis Broadley, 1968 · Barotse Water Snake
  495. 495Crotaphopeltis braestrupi Rasmussen, 1985 · Tana Herald Snake
  496. 496Crotaphopeltis degeni (Boulenger, 1906) · Yellow-flanked snake
  497. 497Crotaphopeltis hippocrepis (Reinhardt, 1843)
  498. 498Crotaphopeltis hotamboeia (Laurenti, 1768) · White-lipped Herald Snake
  499. 499Crotaphopeltis tornieri (Werner, 1908) · Werner's Water Snake
  500. 500Cryophis hallbergi Bogert & Duellman, 1963 · Hallberg's Cloud Forest Snake
  501. 501Cubophis brooksi (Barbour, 1914) · Swan Island racer
  502. 502Cubophis cantherigerus (Bibron, 1843) · Cuban Racer
  503. 503Cubophis caymanus (Garman, 1887) · Ground Snake
  504. 504Cubophis fuscicauda (Garman, 1888) · Cayman Brac Racer
  505. 505Cubophis ruttyi (Grant, 1941) · Little Cayman Racer
  506. 506Cubophis vudii (Cope, 1862) · Bahamian Racer
  507. 507Dasypeltis abyssina (Duméril, Bibron & Duméril, 1854) · Ethiopian egg eater
  508. 508Dasypeltis arabica Broadley & Bates, 2018 · Arabian Egg-eater
  509. 509Dasypeltis atra Sternfeld, 1912 · African Egg-eating Snake
  510. 510Dasypeltis bazi Saleh & Sarhan, 2016 · Egyptian egg-eating snake
  511. 511Dasypeltis confusa Trape & Mané, 2006 · Diamond-back Egg-eater
  512. 512Dasypeltis congolensis Trape, Mediannikov, Chirio & Chirio, 2021
  513. 513Dasypeltis crucifera Bates, 2018 · Cross-marked Egg-eater
  514. 514Dasypeltis fasciata Smith, 1849 · Western Forest Eggeater
  515. 515Dasypeltis gansi Trape & Mané, 2006 · Gans’ Egg Eater
  516. 516Dasypeltis inornata Smith, 1849 · Southern Brown Egg Eater
  517. 517Dasypeltis latericia Trape & Mané, 2006
  518. 518Dasypeltis loveridgei Mertens, 1954 · Dwarf Egg Eater · newer than the 2023 backbone
  519. 519Dasypeltis medici Bianconi, 1859 · East African Egg Eater
  520. 520Dasypeltis palmarum (Leach, 1818) · Palm Egg Eater
  521. 521Dasypeltis parascabra Trape, Mediannikov & Trape, 2012
  522. 522Dasypeltis sahelensis Trape & Mané, 2006 · Sahel Egg Eater
  523. 523Dasypeltis scabra (Linnaeus, 1758) · Common Egg Eater
  524. 524Dasypeltis taylori Bates & Broadley, 2018
  525. 525Dendrelaphis andamanensis (Anderson, 1871) · Andaman Bronze-back
  526. 526Dendrelaphis anthracina Kraus, 2025 · newer than the 2023 backbone
  527. 527Dendrelaphis ashoki Vogel & Van Rooijen, 2011 · Ashok’s bronzeback tree snake
  528. 528Dendrelaphis atra Kraus, 2025 · newer than the 2023 backbone
  529. 529Dendrelaphis bifrenalis (Boulenger, 1890) · Boulenger's Bronzeback
  530. 530Dendrelaphis biloreatus Wall, 1908 · Gore's Bronzeback
  531. 531Dendrelaphis binhi Nguyen, Nguyen, Le, Nguyen, Vo, Vo, Che & Murphy, 2023 · Binh’s Bronzeback Snake
  532. 532Dendrelaphis calligaster (Günther, 1867) · Nothern Tree Snake
  533. 533Dendrelaphis caudolineatus (Gray, 1834) · Gray Bronzeback
  534. 534Dendrelaphis caudolineolatus (Günther, 1869)
  535. 535Dendrelaphis chairecacos (Boie, 1827) · Western Ghats Bronze back
  536. 536Dendrelaphis cyanochloris (Wall, 1921) · Wall's Bronzeback
  537. 537Dendrelaphis effrenis (Werner, 1909) · Sinharaja tree snake
  538. 538Dendrelaphis flavescens Gaulke, 1994 · Sulu Islands Tree Snake
  539. 539Dendrelaphis formosus (Boie, 1827) · Elegant Bronzeback
  540. 540Dendrelaphis fuliginosus Griffin, 1909 · Philippine Lamp-black Tree Snake
  541. 541Dendrelaphis gastrostictus (Boulenger, 1894) · Montane treesnake
  542. 542Dendrelaphis girii Vogel & Van Rooijen, 2011 · Giri’s bronzeback
  543. 543Dendrelaphis grandoculis (Boulenger, 1890) · Large-eyed Bronzeback
  544. 544Dendrelaphis grismeri Vogel & Van Rooijen, 2008
  545. 545Dendrelaphis haasi Van Rooijen & Vogel, 2008 · Haas’s Bronzeback snake
  546. 546Dendrelaphis hollinrakei Lazell, 2002
  547. 547Dendrelaphis humayuni Tiwari & Biswas, 1973 · Tiwar's Bronzeback
  548. 548Dendrelaphis inornatus Boulenger, 1897
  549. 549Dendrelaphis keiensis (Mertens, 1926) · Kei treesnake
  550. 550Dendrelaphis kopsteini Vogel & Van Rooijen, 2007 · Kopstein’s Bronzeback Snake
  551. 551Dendrelaphis levitoni Van Rooijen & Vogel, 2012 · Leviton’s Bronze-back Tree Snake
  552. 552Dendrelaphis lineolatus (Jacquinot & Guichenot, 1853)
  553. 553Dendrelaphis lorentzii (Lidth de Jeude, 1911) · Lorentz River treesnake
  554. 554Dendrelaphis luzonensis Leviton, 1961 · Luzon Bronze-back Tree Snake
  555. 555Dendrelaphis macrops (Günther, 1877)
  556. 556Dendrelaphis marenae Vogel & Van Rooijen, 2008 · Maren’s Bronzeback
  557. 557Dendrelaphis melanarkys Kraus, 2025 · newer than the 2023 backbone
  558. 558Dendrelaphis modestus Boulenger, 1894 · Gray Bronzeback
  559. 559Dendrelaphis ngansonensis (Bourret, 1935) · Nganson Bronzeback
  560. 560Dendrelaphis nigroserratus Vogel, Van Rooijen & Hauser, 2012 · Saw-tooth-necked Bronzeback
  561. 561Dendrelaphis oliveri (Taylor, 1950) · Oliver's Bronzeback
  562. 562Dendrelaphis papuensis Boulenger, 1895 · Papuan treesnake
  563. 563Dendrelaphis philippinensis (Günther, 1879) · Philippine Bronze-back Tree Snakeweinell
  564. 564Dendrelaphis pictus (Gmelin, 1789) · Common Bronze-back
  565. 565Dendrelaphis proarchos (Wall, 1909)
  566. 566Dendrelaphis punctulatus (Gray, 1826) · Green Tree Snake
  567. 567Dendrelaphis roseni Kraus, 2025 · newer than the 2023 backbone
  568. 568Dendrelaphis schokari (Kuhl, 1820)
  569. 569Dendrelaphis striatus (Cohn, 1905) · Banded Bronzeback
  570. 570Dendrelaphis striolatus (Peters, 1867)
  571. 571Dendrelaphis subocularis (Boulenger, 1888) · Mountain Bronzeback
  572. 572Dendrelaphis terrificus (Peters, 1872) · Terrific Bronzeback
  573. 573Dendrelaphis thasuni Atthanagoda, da Silva, Vogel, Udayanga, Bandara, Madawala, Grismer & Karunarathna, 2025 · Thasun’s Bronzeback · newer than the 2023 backbone
  574. 574Dendrelaphis tristis (Daudin, 1803) · Daudin's Bronzeback
  575. 575Dendrelaphis underwoodi Van Rooijen & Vogel, 2008 · Underwood’s Bronzeback snake
  576. 576Dendrelaphis vogeli Jiang, Guo, Ren & Li, 2020 · Vogel’s Bronzeback
  577. 577Dendrelaphis walli Vogel & Van Rooijen, 2011
  578. 578Dendrelaphis wickrorum Danushka, Kanishka, Amarasinghe, Vogel & Seneviratne, 2020 · Wickramasinghes Bronze-back
  579. 579Dendrophidion apharocybe Cadle, 2012
  580. 580Dendrophidion atlantica Freire, Caramaschi & Gonçalves, 2010 · Atlantic Forest Racer
  581. 581Dendrophidion bivittatus (Duméril, Bibron & Duméril, 1854) · Forest Racer
  582. 582Dendrophidion boshelli Dunn, 1944 · Hoshell's Forest Racer
  583. 583Dendrophidion brunneum (Günther, 1858) · Günther's Forest Racer
  584. 584Dendrophidion clarkii Dunn, 1933 · Clark's Forest Racer
  585. 585Dendrophidion crybelum Cadle, 2012
  586. 586Dendrophidion dendrophis (Schlegel, 1837) · Olive Forest Racer
  587. 587Dendrophidion graciliverpa Cadle, 2012
  588. 588Dendrophidion nuchale (Peters, 1863) · Peters' Forest Racer
  589. 589Dendrophidion paucicarinatum (Cope, 1894) · Cope's Forest Racer
  590. 590Dendrophidion percarinatum (Cope, 1893) · South American Forest Racer
  591. 591Dendrophidion prolixum Cadle, 2012
  592. 592Dendrophidion rufiterminorum Cadle & Savage, 2012
  593. 593Dendrophidion vinitor Smith, 1941 · Barred Forest Racer
  594. 594Diadophis punctatus (Linnaeus, 1766)
  595. 595Diaphorolepis laevis Werner, 1923 · Colombian Frog-eating Snake
  596. 596Diaphorolepis wagneri Jan, 1863 · Ecuador Frog-eating Snake
  597. 597Dibernardia affinis (Günther, 1858) · newer than the 2023 backbone
  598. 598Dibernardia bilineata (Fischer, 1885) · newer than the 2023 backbone
  599. 599Dibernardia persimilis (Cope, 1869) · newer than the 2023 backbone
  600. 600Dibernardia poecilopogon (Cope, 1863) · newer than the 2023 backbone
  601. 601Dipsadoboa aulica (Günther, 1864) · Marbled Tree Snake
  602. 602Dipsadoboa brevirostris (Sternfeld, 1908)
  603. 603Dipsadoboa duchesnii (Boulenger, 1901)
  604. 604Dipsadoboa flavida (Broadley & Stevens, 1971)
  605. 605Dipsadoboa kageleri Uthmöller, 1939 · Kageler’s Tree Snake
  606. 606Dipsadoboa montisilva Branch, Conradie & Tolley, 2019 · Montane Forest Tree Snake
  607. 607Dipsadoboa riparia Trape, Mediannikov & Baldé, 2023 · Riparian Tree Snake · newer than the 2023 backbone
  608. 608Dipsadoboa shrevei (Loveridge, 1932) · Shreve's (Nocturnal) Tree Snake
  609. 609Dipsadoboa underwoodi Rasmussen, 1993
  610. 610Dipsadoboa unicolor Günther, 1858 · Günther's Green Tree Snake
  611. 611Dipsadoboa viridis (Peters, 1869) · Laurent’s green tree-snake
  612. 612Dipsadoboa weileri (Lindholm, 1905) · Black-tailed tree snake
  613. 613Dipsadoboa werneri (Boulenger, 1897) · Werner's Green Tree Snake
  614. 614Dipsas albifrons (Sauvage, 1884) · Sauvage's Snail-eater
  615. 615Dipsas alternans (Fischer, 1885) · Jan's Snail-eater
  616. 616Dipsas andiana (Boulenger, 1896)
  617. 617Dipsas aparatiritos Ray, Sánchez-Martínez, Batista, Mulcahy, Sheehy Iii, Smith, Pyron & Arteaga, 2023 · Hidden Snail-eating Snake
  618. 618Dipsas articulata (Cope, 1868) · American Snail-eater
  619. 619Dipsas baliomelas Harvey, 2008
  620. 620Dipsas bicolor (Günther, 1895) · Two-colored Snail-eater
  621. 621Dipsas bobridgelyi (Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal, 2018) · Bob Ridgely’s Snail-Eater
  622. 622Dipsas bothropoides Mebert, Passos, Fernandes, Entiauspe-Neto, Queiroz-Alvez, Machado & Lopes, 2020
  623. 623Dipsas brevifacies (Cope, 1866) · Snail-eating Thirst Snake
  624. 624Dipsas bucephala (Shaw, 1802) · Neotropical Snail-eater
  625. 625Dipsas catesbyi (Sentzen, 1796) · Catesby's Snail-eater
  626. 626Dipsas chaparensis Reynolds & Foster, 1992
  627. 627Dipsas cisticeps (Boettger, 1885) · Neotropical Snail-eater
  628. 628Dipsas copei (Günther, 1872)
  629. 629Dipsas elegans (Boulenger, 1896)
  630. 630Dipsas ellipsifera (Boulenger, 1898)
  631. 631Dipsas gaigeae (Oliver, 1937) · Gaige's Thirst Snail-eater
  632. 632Dipsas georgejetti Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal, 2018 · George Jett’s Snail-Eater
  633. 633Dipsas gracilis (Boulenger, 1902) · Graceful Snail-eater
  634. 634Dipsas incerta (Jan, 1863) · Jan's Snail-eater
  635. 635Dipsas indica Laurenti, 1768 · Neotropical Snail-eater
  636. 636Dipsas jamespetersi (Orcés & Almendáriz, 1989)
  637. 637Dipsas klebbai Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal, 2018 · Klebba’s Snail-Eater
  638. 638Dipsas latifrontalis (Boulenger, 1905) · Broad-fronted Snail-Eater
  639. 639Dipsas lavillai (Scrocchi, Porto & Rey, 1993)
  640. 640Dipsas maxillaris (Werner, 1910) · Werner's Thirst Snake
  641. 641Dipsas mikanii Schlegel, 1837
  642. 642Dipsas neuwiedi (Ihering, 1911) · Neuwied's Tree Snake
  643. 643Dipsas nicholsi (Dunn, 1933)
  644. 644Dipsas oligozonata (Orcés & Almendáriz, 1989)
  645. 645Dipsas oneilli (Rossman & Thomas, 1979) · O'Neill's Tree Snake
  646. 646Dipsas oreas (Cope, 1868) · Ecuador Snail-eater
  647. 647Dipsas oswaldobaezi Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal, 2018 · Oswaldo Báez’ Snail-Eater
  648. 648Dipsas pakaraima Macculloch & Lathrop, 2004
  649. 649Dipsas palmeri (Boulenger, 1912) · Striped Snail-eater (latifasciata)
  650. 650Dipsas pavonina Schlegel, 1837 · Northern Snail-eater
  651. 651Dipsas peruana (Boettger, 1898) · Venezuela Snail-eater (latifrontalis)
  652. 652Dipsas praeornata (Werner, 1909)
  653. 653Dipsas pratti (Boulenger, 1897) · Pratt's Snail-eater
  654. 654Dipsas sanctijoannis (Boulenger, 1911) · Tropical Snail-eater
  655. 655Dipsas sazimai Fernandes, Marques & Argôlo, 2010
  656. 656Dipsas schunkii (Boulenger, 1908) · Schunk's Snail-eater
  657. 657Dipsas temporalis (Werner, 1909) · Temporal Snail-eater
  658. 658Dipsas tenuissima Taylor, 1954 · Taylor's Snail-eater
  659. 659Dipsas trinitatis Parker, 1926 · Trinidad Snail-eater
  660. 660Dipsas turgida (Cope, 1868)
  661. 661Dipsas vagrans (Dunn, 1923) · Dunn's Tree Snake
  662. 662Dipsas vagus (Jan, 1863) · Jan's Tree Snake
  663. 663Dipsas variegata (Duméril, Bibron & Duméril, 1854) · Variegated Snail-eater
  664. 664Dipsas ventrimaculata (Boulenger, 1885) · Boulenger's Tree Snake
  665. 665Dipsas vermiculata Peters, 1960 · Vermiculate Snail-eater
  666. 666Dipsas viguieri (Bocourt, 1884) · Bocourt's Snail-eater
  667. 667Dipsas welborni Arteaga & Batista, 2023
  668. 668Dipsas williamsi (Carillo de Espinoza, 1974) · Williams' Tree Snake
  669. 669Dispholidus pembae Hughes, 2021 · newer than the 2023 backbone
  670. 670Dispholidus punctatus Laurent, 1955 · newer than the 2023 backbone
  671. 671Dispholidus typus (Smith, 1828) · Boomslang · full sheet
  672. 672Ditaxodon taeniatus (Peters, 1868) · Hensel's Snake
  673. 673Dolichophis andreanus (Werner, 1917) · Andreas’ Racer
  674. 674Dolichophis caspius (Gmelin, 1789)
  675. 675Dolichophis jugularis (Linnaeus, 1758) · Large Whip Snake
  676. 676Dolichophis schmidti (Nikolsky, 1909) · Schmidt's Whipsnake
  677. 677Drepanoides anomalus (Jan, 1863) · Black-collared Snake
  678. 678Drymarchon caudomaculatus Wüster, Yrausquin & Mijares-Urrutia, 2001
  679. 679Drymarchon corais (Boie, 1827) · Yellow-tail Cribo
  680. 680Drymarchon couperi (Holbrook, 1842) · Gopher Snake
  681. 681Drymarchon margaritae Roze, 1959 · Margarita Indigo Snake
  682. 682Drymarchon melanurus (Duméril, Bibron & Duméril, 1854) · Blacktail Cribo
  683. 683Drymobius chloroticus (Cope, 1886) · Green Highland Racer
  684. 684Drymobius margaritiferus (Schlegel, 1837)
  685. 685Drymobius melanotropis (Cope, 1875) · Black Forest Racer
  686. 686Drymobius rhombifer (Günther, 1860) · Esmarald Racer
  687. 687Drymoluber apurimacensis Lehr, Carrillo & Hocking, 2004 · Apurímac Woodland Racer
  688. 688Drymoluber brazili (Gomes, 1918) · Brazilian Woodland Racer
  689. 689Drymoluber dichrous (Peters, 1863) · Northern Woodland Racer
  690. 690Dryophiops philippina Boulenger, 1896 · Philippine Whip Snake
  691. 691Dryophiops rubescens (Gray, 1834) · (Brown or) Red Whip Snake
  692. 692Dryophylax almae (Franco & Ferreira, 2003) · newer than the 2023 backbone
  693. 693Dryophylax ceibae (Bailey & Thomas, 2007) · newer than the 2023 backbone
  694. 694Dryophylax chaquensis (Bergna & Álvarez, 1993) · newer than the 2023 backbone
  695. 695Dryophylax chimanta (Roze, 1958) · Roze's Coastal House Snake · newer than the 2023 backbone
  696. 696Dryophylax corocoroensis (Gorzula & Ayarzagüena, 1996) · newer than the 2023 backbone
  697. 697Dryophylax dixoni (Bailey & Thomas, 2007) · newer than the 2023 backbone
  698. 698Dryophylax duida (Myers & Donnelly, 1996) · newer than the 2023 backbone
  699. 699Dryophylax gambotensis (Pérez-Santos & Moreno, 1989) · newer than the 2023 backbone
  700. 700Dryophylax hypoconia (Cope, 1860) · newer than the 2023 backbone
  701. 701Dryophylax marahuaquensis (Gorzula & Ayarzagüena, 1996) · newer than the 2023 backbone
  702. 702Dryophylax nattereri (Mikan, 1820) · Amazon Coastal House Snake (pallidus) · newer than the 2023 backbone
  703. 703Dryophylax paraguanae (Bailey & Thomas, 2007) · newer than the 2023 backbone
  704. 704Dryophylax phoenix (Franco, Trevine, Montingelli & Zaher, 2017) · newer than the 2023 backbone
  705. 705Dryophylax ramonriveroi (Manzanilla & Sánchez, 2005) · Guianan Coastal House Snake · newer than the 2023 backbone
  706. 706Dryophylax yavi (Myers & Donnelly, 1996) · newer than the 2023 backbone
  707. 707Echinanthera cephalomaculata Di Bernardo, 1994
  708. 708Echinanthera cephalostriata Di Bernardo, 1996
  709. 709Echinanthera cyanopleura (Cope, 1885)
  710. 710Echinanthera melanostigma (Wagler, 1824)
  711. 711Echinanthera undulata (Wied-Neuwied, 1824)
  712. 712Eirenis africanus (Boulenger, 1914) · African Dwarf Snake
  713. 713Eirenis aurolineatus (Venzmer, 1919)
  714. 714Eirenis barani Schmidtler, 1988 · Baran Dwarf Racer
  715. 715Eirenis collaris (Ménétries, 1832) · Collared Dwarf Racer
  716. 716Eirenis coronella (Schlegel, 1837) · Crowned Dwarf Racer
  717. 717Eirenis coronelloides (Jan, 1862)
  718. 718Eirenis decemlineatus (Duméril, Bibron & Duméril, 1854) · English common name not available
  719. 719Eirenis eiselti Schmidtler & Schmidtler, 1978 · Eiselt's Dwarf Racer
  720. 720Eirenis hakkariensis Schmidtler & Eiselt, 1991
  721. 721Eirenis kermanensis Rajabizadeh, Schmidtler, Orlov & Soleimani, 2012
  722. 722Eirenis levantinus Schmidtler, 1993
  723. 723Eirenis lineomaculatus Schmidt, 1939
  724. 724Eirenis medus (Chernov, 1940)
  725. 725Eirenis modestus (Martin, 1838) · Asia Minor Dwarf Racer
  726. 726Eirenis nigrofasciatus (Nikolsky, 1907)
  727. 727Eirenis occidentalis Rajabizadeh, Nagy, Adriaens, Avci, Masroor, Schmidtler, Nazarov, Esmaeili & Christiaens, 2015
  728. 728Eirenis persicus (Anderson, 1872) · Dark-headed Dwarf Racer
  729. 729Eirenis punctatolineatus (Boettger, 1892) · Dotted Dwarf Racer
  730. 730Eirenis rafsanjanicus Akbarpour, Rastegar-Pouyani, Fathinia & Rastegar-Pouyani, 2020
  731. 731Eirenis rechingeri Eiselt, 1971 · Rechinger’s dwarf racer
  732. 732Eirenis rothii Jan, 1863 · Roth's Dwarf Racer
  733. 733Eirenis thospitis Schmidtler & Lanza, 1990
  734. 734Eirenis yassujicus Fathinia, Rastegar-Pouyani & Shafaeipour, 2019
  735. 735Elaphe anomala (Boulenger, 1916)
  736. 736Elaphe bimaculata Schmidt, 1925 · Chinese Leopard Snake
  737. 737Elaphe cantoris (Boulenger, 1894) · Eastern Trinket Snake
  738. 738Elaphe carinata (Günther, 1864) · Taiwan Stink Snake
  739. 739Elaphe climacophora (Boie, 1826)
  740. 740Elaphe davidi (Sauvage, 1884) · Pere David's Rat Snake
  741. 741Elaphe dione (Pallas, 1773) · Steppes Ratsnakes
  742. 742Elaphe druzei Jablonski, Ribeiro-Júnior & Meiri, 2023 · newer than the 2023 backbone
  743. 743Elaphe hodgsonii (Günther, 1860) · English common name not available
  744. 744Elaphe moellendorffi (Boettger, 1886) · Flower Snake
  745. 745Elaphe quadrivirgata (Boie, 1826) · Japanese Four-lined Ratsnake
  746. 746Elaphe quatuorlineata (Lacépède, 1789) · Four-lined snake (or ratsnake)
  747. 747Elaphe sauromates (Pallas, 1811) · Blotched rat snake
  748. 748Elaphe schrenckii Strauch, 1873 · Amur Ratsnakes
  749. 749Elaphe taeniura Cope, 1861
  750. 750Elaphe urartica Jablonski, Kukushkin, Avci, Bunyatova, Ilgaz, Tuniyev & Jandzik, 2019 · Urartian Rat Snake
  751. 751Elaphe xiphodonta Qi, Shi, Ma, Gao, Bu, Grismer, LI & Wang, 2021 · Blade-teethed Rat Snake
  752. 752Elaphe zoigeensis Huang, Ding, Burbrink, Yang, Huang, Ling, Chen & Zhang, 2012 · Zoige Ratsnake
  753. 753Elapoidis fusca (Boie, 1827)
  754. 754Elapoidis sumatrana (Bleeker, 1860)
  755. 755Elapomorphus quinquelineatus (Raddi, 1820) · Raddi's Lizard-eating Snake
  756. 756Elapomorphus wuchereri Günther, 1861 · Wucherer's Lizard-eating Snake
  757. 757Emmochliophis fugleri Fritts & Smith, 1969 · Pinchinda Snake
  758. 758Emmochliophis miops (Boulenger, 1898)
  759. 759Enuliophis sclateri (Boulenger, 1894) · Colombian Longtail Snake
  760. 760Enulius bifoveatus Mccranie & Köhler, 1999 · Guanaja Long-tailed Snake
  761. 761Enulius flavitorques (Cope, 1868) · Pacific Longtail Snake
  762. 762Enulius oligostichus Smith, Arndt & Sherbrook, 1967 · Mexican Longtail Snake
  763. 763Enulius roatanensis Mccranie & Köhler, 1999 · Roatan Long-tailed Snake
  764. 764Erythrolamprus aenigma Entiauspe-Neto, Abegg, Koch, Nuñez, Azevedo, Moraes, Tiutenko, Bialves & Loebmann, 2021 · Savannah Racer Snake
  765. 765Erythrolamprus aesculapii (Linnaeus, 1758) · South American False Coralsnake
  766. 766Erythrolamprus albertguentheri (Grazziotin, Zaher, Murphy, Scrocchi, Benavides, Zhang & Bonatto, 2012) · Günther’s Green Liophis
  767. 767Erythrolamprus albiventris (Jan, 1863)
  768. 768Erythrolamprus almadensis (Wagler, 1824) · Almaden Ground Snake
  769. 769Erythrolamprus andinus (Dixon, 1983)
  770. 770Erythrolamprus atraventer (Dixon & Thomas, 1985) · Dixon's Ground Snake
  771. 771Erythrolamprus bizona Jan, 1863 · False Coral Snake
  772. 772Erythrolamprus breviceps (Cope, 1860) · Short Ground Snake
  773. 773Erythrolamprus carajasensis (Cunha, Nascimento & Ávila-Pires, 1985)
  774. 774Erythrolamprus ceii (Dixon, 1991)
  775. 775Erythrolamprus cobella (Linnaeus, 1758) · Mangrove Snake
  776. 776Erythrolamprus cursor (Lacépède, 1789) · Martinique Groundsnake
  777. 777Erythrolamprus darwinnunezi Torres-Carvajal, Hinojosa & Paucar, 2024 · newer than the 2023 backbone
  778. 778Erythrolamprus dorsocorallinus (Esqueda, Natera, LA Marca & Ilija-Fistar, 2007)
  779. 779Erythrolamprus epinephelus (Cope, 1862)
  780. 780Erythrolamprus festae (Peracca, 1897) · Drab Ground Snake
  781. 781Erythrolamprus fraseri (Boulenger, 1894)
  782. 782Erythrolamprus frenatus (Werner, 1909) · Swamp Liophis
  783. 783Erythrolamprus guentheri Garman, 1883 · Günther's False Coral Snake
  784. 784Erythrolamprus ingeri (Roze, 1958)
  785. 785Erythrolamprus jaegeri (Günther, 1858) · Jaeger's Ground Snake
  786. 786Erythrolamprus janaleeae (Dixon, 2000)
  787. 787Erythrolamprus juliae (Cope, 1879) · Leeward Groundsnake
  788. 788Erythrolamprus lamonae (Dunn, 1944)
  789. 789Erythrolamprus macrosomus (Amaral, 1936)
  790. 790Erythrolamprus maryellenae (Dixon, 1985) · Maryellen's Ground Snake
  791. 791Erythrolamprus melanotus (Shaw, 1802) · Dark Groundsnake
  792. 792Erythrolamprus mertensi (Roze, 1964) · Mertens' Tropical Forest Snake
  793. 793Erythrolamprus miliaris (Linnaeus, 1758) · Military Ground Snake
  794. 794Erythrolamprus mimus (Cope, 1868) · Mimic False Coral Snake
  795. 795Erythrolamprus mossoroensis (Hoge & Lima-Verde, 1973)
  796. 796Erythrolamprus ocellatus Peters, 1869 · Tobago False Coralsnake
  797. 797Erythrolamprus oligolepis (Boulenger, 1905)
  798. 798Erythrolamprus ornatus (Garman, 1887) · Saint Lucia Groundsnake
  799. 799Erythrolamprus perfuscus (Cope, 1862) · Tan Ground Snake
  800. 800Erythrolamprus poecilogyrus (Wied-Neuwied, 1824)
  801. 801Erythrolamprus pseudocorallus Roze, 1959 · False Coral Snake
  802. 802Erythrolamprus pseudoreginae Murphy, Braswell, Charles, Auguste, Rivas, Borzée, Lehtinen & Jowers, 2019 · Tobago Stream Snake
  803. 803Erythrolamprus pyburni (Markezich & Dixon, 1979) · Pyburn's Tropical Forest Snake
  804. 804Erythrolamprus pygmaeus (Cope, 1868) · Amazon Tropical Forest Snake
  805. 805Erythrolamprus reginae (Linnaeus, 1758) · Royal Ground Snake
  806. 806Erythrolamprus rochai Ascenso, Costa & Prudente, 2019
  807. 807Erythrolamprus sagittifer (Jan, 1863) · Arrow Ground Snake
  808. 808Erythrolamprus semiaureus (Cope, 1862)
  809. 809Erythrolamprus subocularis (Boulenger, 1902)
  810. 810Erythrolamprus taeniogaster (Jan, 1863)
  811. 811Erythrolamprus taeniurus (Tschudi, 1845) · Thin Ground Snake
  812. 812Erythrolamprus torrenicola (Donnelly & Myers, 1991) · Velvety swamp snake
  813. 813Erythrolamprus trebbaui (Roze, 1958)
  814. 814Erythrolamprus triscalis (Linnaeus, 1758) · Three-scaled Groundsnake
  815. 815Erythrolamprus typhlus (Linnaeus, 1758) · Velvet Swampsnake
  816. 816Erythrolamprus viridis (Günther, 1862) · Crown Ground Snake
  817. 817Erythrolamprus vitti (Dixon, 2000)
  818. 818Erythrolamprus williamsi (Roze, 1958) · Williams' Ground Snake
  819. 819Erythrolamprus zweifeli (Roze, 1959) · Braided Groundsnake
  820. 820Etheridgeum pulchrum (Werner, 1924) · Sumatra Etheridge Snake
  821. 821Euprepiophis conspicillata (Boie, 1826) · Burrowing Ratsnake
  822. 822Euprepiophis mandarinus (Cantor, 1842) · Mandarin Ratsnakes
  823. 823Euprepiophis perlaceus (Stejneger, 1929) · Szechwan Rat Snake
  824. 824Eutrachelophis bassleri Myers & Mcdowell, 2014
  825. 825Eutrachelophis papilio Zaher & Prudente, 2019
  826. 826Farancia abacura (Holbrook, 1836)
  827. 827Farancia erytrogramma (Palisot de Beauvois, 1802)
  828. 828Ficimia hardyi Mendoza-Quijano & Smith, 1993 · Hardy's Hook-nosed Snake
  829. 829Ficimia olivacea Gray, 1849 · Mexican Hook-nosed Snake
  830. 830Ficimia publia Cope, 1866 · Blotched Hooknose Snake
  831. 831Ficimia ramirezi Smith & Langebartel, 1949 · Ramirez's Hooknose Snake
  832. 832Ficimia ruspator Smith & Taylor, 1941 · Guerreran Hooknose Snake
  833. 833Ficimia streckeri Taylor, 1931 · Tamaulipan or Mexican Hooknose Snake
  834. 834Ficimia variegata (Günther, 1858) · Tehuantepec Hooknose Snake
  835. 835Fowlea asperrima (Boulenger, 1891) · Boulenger's Keelback
  836. 836Fowlea flavipunctata (Hallowell, 1860) · Yellow-Spotted Keelback
  837. 837Fowlea melanzosta (Gravenhorst, 1807) · Javanese Keelback Water snake
  838. 838Fowlea piscator (Schneider, 1799) · Checkered Keelback
  839. 839Fowlea punctulata (Günther, 1858)
  840. 840Fowlea sanctijohannis (Boulenger, 1890) · St. John's Keelback
  841. 841Fowlea schnurrenbergeri (Kramer, 1977) · Bar-necked Keelback
  842. 842Fowlea tytleri (Blyth, 1863) · Tytler’s Keelback
  843. 843Fowlea unicolor (Müller, 1887) · newer than the 2023 backbone
  844. 844Fowlea yunnanensis (Anderson, 1879) · Yunnan Olive Keelback
  845. 845Galvarinus attenuatus Walker, 1945 · Walker's Slender Snake · newer than the 2023 backbone
  846. 846Galvarinus chilensis (Schlegel, 1837) · Chilean Slender Snake · newer than the 2023 backbone
  847. 847Geagras redimitus Cope, 1875 · Tehuantepec Striped Snake
  848. 848Geophis annuliferus (Boulenger, 1894) · Western Snail-Eating Snake · newer than the 2023 backbone
  849. 849Geophis anocularis Dunn, 1920 · Sierra Mije Earth Snake
  850. 850Geophis bellus Myers, 2003
  851. 851Geophis berillus Barragán-Reséndiz, Pavón-Vázquez, Cervantes-Burgos, Trujano-Ortega, Canseco-Márquez & García-Vázquez, 2022 · newer than the 2023 backbone
  852. 852Geophis betaniensis Restrepo & Wright, 1987 · Betanien Earth Snake
  853. 853Geophis bicolor Günther, 1868 · Mexican Plateau Earth Snake
  854. 854Geophis blanchardi Taylor & Smith, 1939 · Blanchard's Earth Snake
  855. 855Geophis brachycephalus (Cope, 1871) · Costa Rican Earth Snake
  856. 856Geophis cancellatus Smith, 1941 · Chiapas Earth Snake
  857. 857Geophis cansecoi Grünwald, Ahumada-Carrillo, Grünwald, Montaño-Ruvalcaba & García-Vázquez, 2021 · newer than the 2023 backbone
  858. 858Geophis carinosus Stuart, 1941 · Keeled Earth Snake
  859. 859Geophis chalybeus (Wagler, 1830) · Veracruz Earth Snake
  860. 860Geophis championi Boulenger, 1894 · Panamenian Earth Snake
  861. 861Geophis damiani Wilson, Mccranie & Williams, 1998
  862. 862Geophis downsi Savage, 1981 · Savage's Earth Snake
  863. 863Geophis dubius (Peters, 1861) · Mesa del Sur Earth Snake
  864. 864Geophis duellmani Smith & Holland, 1969 · Sierra Juarez Earth Snake
  865. 865Geophis dugesii Bocourt, 1883 · Dugès' Earth Snake
  866. 866Geophis dunni Schmidt, 1932 · Dunn's Earth Snake
  867. 867Geophis fulvoguttatus Mertens, 1952 · Mertens' Earth Snake
  868. 868Geophis godmani Boulenger, 1894 · Godman's Earth Snake
  869. 869Geophis hoffmanni (Peters, 1859) · Hoffmann's Earth Snake
  870. 870Geophis immaculatus Downs, 1967 · Downs' Earth Snake
  871. 871Geophis incomptus Duellman, 1959 · Sierra Coalcoman Earth Snake
  872. 872Geophis isthmicus (Boulenger, 1894) · Isthmian Earth Snake
  873. 873Geophis juarezi Nieto-Montes de Oca, 2003 · Benito Juarez's Earth Snake
  874. 874Geophis juliai Pérez-Higareda, Smith & López-Luna, 2001 · Zurtuche's Earth Snake
  875. 875Geophis laticinctus Smith & Williams, 1963 · Mesa Central Earth Snake
  876. 876Geophis laticollaris Smith, Lynch & Altig, 1965 · Widecollar Earth Snake
  877. 877Geophis latifrontalis Garman, 1883 · Potosí Earth Snake
  878. 878Geophis lorancai Canseco-Márquez, Pavón-Vázquez, López-Luna & Nieto-Montes de Oca, 2016
  879. 879Geophis maculiferus Taylor, 1941 · Michoacán Earth Snake
  880. 880Geophis mutitorques (Cope, 1885) · Highland Earth Snake
  881. 881Geophis nasalis (Cope, 1868) · Coffee Earth Snake
  882. 882Geophis nephodrymus Townsend & Wilson, 2006
  883. 883Geophis nigroalbus Boulenger, 1908 · Colombian Earth Snake
  884. 884Geophis nigrocinctus Duellman, 1959 · Black-banded Earth Snake
  885. 885Geophis occabus Pavón-Vázquez, García-Vázquez, Blancas-Hernández & Nieto-Montes de Oca, 2011
  886. 886Geophis omiltemanus Günther, 1893 · Guerreran Earth Snake
  887. 887Geophis petersii Boulenger, 1894 · Peters' Earth Snake
  888. 888Geophis pyburni Campbell & Murphy, 1977 · Pyburn's Earth Snake
  889. 889Geophis rhodogaster (Cope, 1868) · Rosebelly Earth Snake
  890. 890Geophis rostralis (Jan, 1865) · Sierra Madre Earth Snake
  891. 891Geophis ruthveni Werner, 1925 · Ruthven's Earth Snake
  892. 892Geophis sallaei Boulenger, 1894 · Sallae's Earth Snake
  893. 893Geophis sanniolus (Cope, 1866) · Pigmy Snail Sucker · newer than the 2023 backbone
  894. 894Geophis sartorii (Cope, 1863) · Terrestrial Snail Sucker · newer than the 2023 backbone
  895. 895Geophis semidoliatus (Duméril, Bibron & Duméril, 1854) · Coral Earth Snake
  896. 896Geophis sieboldi (Jan, 1862) · Siebold's Earth Snake
  897. 897Geophis talamancae Lips & Savage, 1994
  898. 898Geophis tarascae Hartweg, 1959 · Tarascan Earth Snake
  899. 899Geophis tectus Savage & Watling, 2008
  900. 900Geophis turbidus Pavón-Vázquez, Canseco-Márquez & Nieto-Montes de Oca, 2013
  901. 901Geophis zeledoni Taylor, 1954
  902. 902Gomesophis brasiliensis (Gomes, 1918) · Brazilian Burrowing Snake
  903. 903Gongylosoma baliodeira (Boie, 1827) · Striped Ringneck
  904. 904Gongylosoma calamaria (Günther, 1858) · Calamaria Reed Snake · newer than the 2023 backbone
  905. 905Gongylosoma frenata (Günther, 1858) · Günther's Reed Snake · newer than the 2023 backbone
  906. 906Gongylosoma longicaudus (Peters, 1871) · Long-tailed Ringneck
  907. 907Gongylosoma mukutense Grismer, Das & Leong, 2003 · Mukut Smooth Snake
  908. 908Gongylosoma nicobariensis (Stoliczka, 1870)
  909. 909Gongylosoma pallidonuchalis (Poyarkov, Nguyen & Vogel, 2019) · Pale-necked Ringneck · newer than the 2023 backbone
  910. 910Gongylosoma scriptum (Theobald, 1868) · Common Ringneck
  911. 911Gonyosoma boulengeri (Mocquard, 1897) · Rhino Rat Snake
  912. 912Gonyosoma coeruleum Liu, Hou, Lwin, Wang & Rao, 2021
  913. 913Gonyosoma frenatum (Gray, 1853) · Khasi Hills Trinket snake
  914. 914Gonyosoma hainanense Peng, Zhang, Huang, Burbrink & Wang, 2021 · Hainan rhinoceros snake
  915. 915Gonyosoma iadinum Poyarkov, Bragin, Idiiatullina, Tran, Le, David & Nguyen, 2025 · Jade Tree Snake · newer than the 2023 backbone
  916. 916Gonyosoma jansenii (Bleeker, 1859) · Celebes Black-tailed Ratsnake
  917. 917Gonyosoma margaritatum Peters, 1871 · Rainbow Tree Snake
  918. 918Gonyosoma oxycephalum (Boie, 1827) · Red-tailed Green Ratsnake
  919. 919Gonyosoma prasinum (Blyth, 1855) · Green Bush Rat Snake
  920. 920Grayia caesar (Günther, 1863) · Caesar's African Water Snake
  921. 921Grayia obscura Chaney, Greenbaum & Pauwels, 2024 · newer than the 2023 backbone
  922. 922Grayia ornata (Bocage, 1866) · Ornate African Water Snake
  923. 923Grayia smithii (Leach, 1818) · Smith's African Water Snake
  924. 924Grayia tholloni Mocquard, 1897 · Tholloni's African Water Snake
  925. 925Gyalopion canum (Cope, 1860) · Western Hooknose Snake
  926. 926Gyalopion quadrangulare (Günther, 1893) · Thornscrub or Desert Hooknose Snake
  927. 927Haitiophis anomalus (Peters, 1863) · Hispaniolan Brown Racer
  928. 928Hapsidophrys lineata Fischer, 1856 · Black-lined Green Snake
  929. 929Hapsidophrys principis (Boulenger, 1906)
  930. 930Hapsidophrys smaragdina (Schlegel, 1837) · Emerald Snake
  931. 931Hebius andreae (Ziegler & LE Khac Quyet, 2006) · Andrea’s Keelback
  932. 932Hebius annamensis (Bourret, 1934) · Annam Keelback
  933. 933Hebius arquus (David & Vogel, 2010)
  934. 934Hebius atemporalis (Bourret, 1934) · Tonkin Keelback
  935. 935Hebius bitaeniatus (Wall, 1925) · Kutkai Keelback
  936. 936Hebius boulengeri (Gressitt, 1937) · Boulenger’s keelback
  937. 937Hebius celebicus (Peters & Doria, 1878) · Sulawesi Keelback
  938. 938Hebius chapaensis (Bourret, 1934) · Vietnam Water Snake
  939. 939Hebius citrinoventer Xu, Yang, Gong, Ouyang, Weng, Deng, Huang & Peng, 2024 · Yingjiang Keelback Snake · newer than the 2023 backbone
  940. 940Hebius clerki (Wall, 1925) · Yunnan Keelback
  941. 941Hebius concelarus (Malnate, 1963)
  942. 942Hebius craspedogaster (Boulenger, 1899) · Kuatun Keelback
  943. 943Hebius deschauenseei (Taylor, 1934) · Northern Keelback
  944. 944Hebius flavifrons (Boulenger, 1887) · Sabah Keelback
  945. 945Hebius frenatus (Dunn, 1923)
  946. 946Hebius gilhodesi (Wall, 1925) · Kachin hills keelback · newer than the 2023 backbone
  947. 947Hebius groundwateri (Smith, 1922) · Groundwater's Keelback
  948. 948Hebius igneus David, Vogel, Nguyen, Orlov, Pauwels, Teynié & Ziegler, 2021
  949. 949Hebius inas (Laidlaw, 1901) · Malayan Mountain Keelback
  950. 950Hebius ishigakiensis (Malnate & Munsterman, 1960) · Yaeyama keelback
  951. 951Hebius jingdongensis Ma, Shi, Ayi & Jiang, 2023 · Jingdong Keelback Snake · newer than the 2023 backbone
  952. 952Hebius johannis (Boulenger, 1908) · Johann's Keelback
  953. 953Hebius kerinciensis (David & Das, 2003)
  954. 954Hebius khasiensis (Boulenger, 1890) · Khasi Hills Keelback
  955. 955Hebius lacrima Purkayastha & David, 2019 · Crying Keelback
  956. 956Hebius leucomystax (David, Bain, Quang Truong, Orlov, Vogel, Ngoc Thanh & Ziegler, 2007) · White-lipped Keelback
  957. 957Hebius malnatei Li, Nguyen, Huang, Idiiatullina, LE Poyarkov, David, Han, Wu, LI & Ren, 2026 · Malnate’s Keelback · newer than the 2023 backbone
  958. 958Hebius maximus (Malnate, 1962) · Western China Keelback
  959. 959Hebius metusia (Inger, Zhao, Shaffer & Wu, 1990) · Wa Shan Keelback
  960. 960Hebius miyajimae (Maki, 1931) · Maki's Keelback
  961. 961Hebius modestus (Günther, 1875) · Modest Keelback
  962. 962Hebius ngoclinhensis Le, Phan, Nguyen, Murphy, Lam, Nguyen & Che, 2026 · Ngoc Linh Keelback Snake · newer than the 2023 backbone
  963. 963Hebius nigriventer (Wall, 1925)
  964. 964Hebius octolineatus (Boulenger, 1904) · Eight-lined Keelback
  965. 965Hebius optatus (Hu & Zhao, 1966) · Mount Omei Keelback
  966. 966Hebius parallelus (Boulenger, 1890) · Yunnan Keelback
  967. 967Hebius petersii (Boulenger, 1893) · Peters' Keelback
  968. 968Hebius popei (Schmidt, 1925) · Pope's Keelback
  969. 969Hebius pryeri (Boulenger, 1887) · Pryer's Keelback
  970. 970Hebius sanguineus (Smedley, 1932) · Cameron Highlands Keelback
  971. 971Hebius sangzhiensis Zhou, Qi, Lu, Lyu & Li, 2019 · Sangzhi Keelback Snake
  972. 972Hebius sarasinorum (Boulenger, 1896) · Sarasin’s Keelback
  973. 973Hebius sarawacensis (Günther, 1872) · Sarawak Keelback
  974. 974Hebius sauteri (Boulenger, 1909) · Kosempo Keelback
  975. 975Hebius septemlineatus (Schmidt, 1925) · Tengchong Keelback Snake
  976. 976Hebius shantianfangi Liu, Wang, Hou, Zhang, Wang, Zong, Zhou, Rao, David & Vogel, 2025 · Shan’s keelback · newer than the 2023 backbone
  977. 977Hebius taronensis (Smith, 1940) · Taron Keelback
  978. 978Hebius terrakarenorum Hauser, Smits & David, 2022
  979. 979Hebius venningi (Wall, 1910) · Chin Hills Keelback
  980. 980Hebius vibakari (Boie, 1826) · Japanese Keelback
  981. 981Hebius viperinus (Schenkel, 1901)
  982. 982Hebius vogeli Nguyen, Li, Huang, Han, Nguyen, Poyarkov, David & Ren, 2025 · Vogel’s Keelback · newer than the 2023 backbone
  983. 983Hebius weixiensis Hou, Yuan, Wei, Zhao, Liu, Wu, Shen, Chen, Guo & Che, 2021 · Weixi Keelback Snake
  984. 984Hebius yanbianensis Liu, Zhong, Wang, Liu & Guo, 2018 · Yanbian keelback snake
  985. 985Hebius youjiangensis Yang, Xu, Wu, Gong, Huang & Huang, 2023
  986. 986Helicops acangussu Moraes-Da-Silva, Walterman, Citeli, Sales-Nunes & Curcio, 2022 · newer than the 2023 backbone
  987. 987Helicops angulatus (Linnaeus, 1758) · Mountain Keelback
  988. 988Helicops apiaka Kawashita-Ribeiro, Ávila & Morais, 2013
  989. 989Helicops boitata Moraes-Da-Silva, Cecília Amaro & Sales-Nunes
  990. 990Helicops carinicaudus (Wied-Neuwied, 1824) · Wied's Keelback
  991. 991Helicops danieli Amaral, 1938 · Daniel's Keelback
  992. 992Helicops gomesi Amaral, 1922 · Sao Paulo Keelback
  993. 993Helicops hagmanni Roux, 1910 · Hagmann's Keelback
  994. 994Helicops infrataeniatus Jan, 1865
  995. 995Helicops leopardinus (Schlegel, 1837) · Leopard Keelback
  996. 996Helicops modestus Günther, 1861 · Olive Keelback
  997. 997Helicops nentur Costa, Santana, Leal, Koroiva & Garcia, 2016
  998. 998Helicops pastazae Shreve, 1934 · Shreve's Keelback
  999. 999Helicops petersi Rossman, 1976 · Spiral Keelback
  1000. 1000Helicops phantasma Moraes-Da-Silva, Cecília Amaro, Sales-Nunes, Rodrigues & Curcio, 2021
  1001. 1001Helicops polylepis Günther, 1861 · Norman's Keelback
  1002. 1002Helicops scalaris Jan, 1865 · Ladder Keelback (Hoge's Keelback)
  1003. 1003Helicops tapajonicus DA Frota, 2005
  1004. 1004Helicops trivittatus (Gray, 1849) · Equatorial Keelback
  1005. 1005Helicops yacu Rossman & Dixon, 1975 · Peru Keelback
  1006. 1006Helophis schoutedeni (de Witte, 1942) · Schouteden's Sun Snake
  1007. 1007Hemerophis socotrae (Günther, 1881) · Socotran Racer
  1008. 1008Hemorrhois algirus (Jan, 1863) · Algerian Whip Snake
  1009. 1009Hemorrhois hippocrepis (Linnaeus, 1758) · Horseshoe Whip Snake
  1010. 1010Hemorrhois nummifer (Reuss, 1834) · Coin-Marked Snake
  1011. 1011Hemorrhois ravergieri (Ménétries, 1832) · Spotted Whip Snake
  1012. 1012Herpetoreas abros Liu, Hou, Zhou, Zuo, Yin & Rao, 2024 · Cute Himalayas Keelback” · newer than the 2023 backbone
  1013. 1013Herpetoreas burbrinki Guo, Zhu, Liu, Zhang, Li, Huang & Pyron, 2014 · Burbrink’s Keelback
  1014. 1014Herpetoreas davidi Nguyen, Lalremsanga, Biakzuala & Vogel, 2024 · Rakhine Keelback · newer than the 2023 backbone
  1015. 1015Herpetoreas murlen Lalremsanga, Bal, Vogel & Biakzuala, 2022 · Murlen Keelback Snake · newer than the 2023 backbone
  1016. 1016Herpetoreas pealii (Sclater, 1891) · Assam Keelback
  1017. 1017Herpetoreas platyceps (Blyth, 1855) · Himalayan Keelback
  1018. 1018Herpetoreas sieboldii Günther, 1860 · Siebold’s Keelback
  1019. 1019Herpetoreas tpser Ren, Jiang, Huang, David & Li, 2022 · Mêdog Himalayas Keelback
  1020. 1020Herpetoreas xenura (Wall, 1907) · Wall's Keelback
  1021. 1021Herpetoreas yadongensis Tan, Li, Zhao, Zhang, Guo & Lyu, 2026 · Yadong Keelback Snake · newer than the 2023 backbone
  1022. 1022Heterodon kennerlyi Kennicott, 1860 · Mexican Hognose Snake
  1023. 1023Heterodon nasicus Baird & Girard, 1852 · Plains Hognose Snake
  1024. 1024Heterodon platirhinos Latreille, 1801 · Eastern Hognose Snake
  1025. 1025Heterodon simus (Linnaeus, 1766) · Southern Hognose Snake
  1026. 1026Hierophis cypriensis (Schätti, 1985)
  1027. 1027Hierophis gemonensis (Laurenti, 1768) · Balkan Whip Snake
  1028. 1028Hierophis viridiflavus (Lacépède, 1789) · Western Whip Snake
  1029. 1029Hydrablabes periops (Günther, 1872) · Olive Small-eyed Snake
  1030. 1030Hydrablabes praefrontalis (Mocquard, 1890) · Mocquard's Small-eyed Snake
  1031. 1031Hydraethiops laevis Boulenger, 1904
  1032. 1032Hydraethiops melanogaster Günther, 1872 · Blackbelly Snake
  1033. 1033Hydrodynastes bicinctus (Hermann, 1804) · Herrmann's Water Snake
  1034. 1034Hydrodynastes gigas (Duméril, Bibron & Duméril, 1854) · False Water Cobra
  1035. 1035Hydromorphus concolor Peters, 1859 · Costa Rica Water Snake
  1036. 1036Hydromorphus dunni Slevin, 1942 · Dunn's Water Snake
  1037. 1037Hydrops caesurus Scrocchi, Ferreira, Giraudo, Ávila & Motte, 2005
  1038. 1038Hydrops martii (Wagler, 1824) · Amazon Water Snake
  1039. 1039Hydrops triangularis (Wagler, 1824) · Triangle Watersnake
  1040. 1040Hypsiglena affinis Boulenger, 1894 · Rio Grande de Santiago Nightsnake
  1041. 1041Hypsiglena catalinae Tanner, 1966 · Isla Santa Catalina Nightsnake
  1042. 1042Hypsiglena chlorophaea Cope, 1860
  1043. 1043Hypsiglena jani (Dugès, 1865) · Tamaulipas Nightsnake [dunklei]
  1044. 1044Hypsiglena ochrorhynchus Cope, 1860
  1045. 1045Hypsiglena slevini Tanner, 1943 · Baja California Night Snake
  1046. 1046Hypsiglena tanzeri Dixon & Lieb, 1972 · Tanzer's Night Snake
  1047. 1047Hypsiglena torquata (Günther, 1860) · Night Snake
  1048. 1048Hypsiglena unaocularus Tanner, 1946 · Islas Revillagigedo Nightsnake
  1049. 1049Hypsirhynchus ater (Gosse, 1851) · Jamaican Giant Racer
  1050. 1050Hypsirhynchus callilaemus (Gosse, 1851) · Jamaican Red Groundsnake
  1051. 1051Hypsirhynchus ferox Günther, 1858 · Hispaniola Cat-eyed Snake
  1052. 1052Hypsirhynchus funereus (Cope, 1862) · Jamaican Black Racer
  1053. 1053Hypsirhynchus melanichnus (Cope, 1862) · Hispaniolan Olive Racer
  1054. 1054Hypsirhynchus parvifrons (Cope, 1862) · Hispaniolan black racer
  1055. 1055Hypsirhynchus polylepis (Buden, 1966) · Jamaican Long-tailed Racer
  1056. 1056Hypsirhynchus scalaris Cope, 1862 · Tiburon Hog-nosed Racer
  1057. 1057Ialtris agyrtes Schwartz & Rossman, 1976 · Barreras Fanged Snake
  1058. 1058Ialtris dorsalis (Günther, 1858) · Hispaniolan W-headed Racer
  1059. 1059Ialtris haetianus (Cochran, 1935) · Hispaniolan Upland Racer
  1060. 1060Ialtris parishi Cochran, 1932 · Parish's Fanged Snake
  1061. 1061Iguanognathus werneri Boulenger, 1898 · Spatula-tooth Snake
  1062. 1062Imantodes cenchoa (Linnaeus, 1758) · Neotropical Blunt-headed Treesnake
  1063. 1063Imantodes chocoensis Torres-Carvajal, Yánez-Muñoz, Quirola, Smith & Almendáriz, 2012 · Chocoan blunt-headed vine snakes
  1064. 1064Imantodes gemmistratus (Cope, 1861) · Central American Tree Snake
  1065. 1065Imantodes guane Missassi & Prudente, 2015
  1066. 1066Imantodes inornatus (Boulenger, 1896) · Western Tree Snake
  1067. 1067Imantodes lentiferus (Cope, 1894) · Amazon Basin Tree Snake
  1068. 1068Imantodes phantasma Myers, 1982 · Phantasma Tree Snake
  1069. 1069Imantodes tenuissimus (Cope, 1867) · Yucatán Blunthead Snake
  1070. 1070Incaspis amaru (Zaher, Arredondo, Valencia, Arbeláez, Rodrigues & Altamirano-Benavides, 2014)
  1071. 1071Incaspis simonsii (Boulenger, 1900)
  1072. 1072Incaspis tachymenoides (Schmidt & Walker, 1943) · Schmidt's Green Racer
  1073. 1073Isanophis boonsongi (Taylor & Elbel, 1958) · Boomsong’s Stream Snake
  1074. 1074Lampropeltis abnorma (Bocourt, 1886) · Honduran milk snake
  1075. 1075Lampropeltis alterna (Brown, 1901) · Grey-banded Kingsnake
  1076. 1076Lampropeltis annulata Kennicott, 1860 · Mexican Milksnake
  1077. 1077Lampropeltis californiae (Blainville, 1835) · Black Desert Kingsnake [nigrita]
  1078. 1078Lampropeltis calligaster (Harlan, 1827) · Prairie Kingsnake
  1079. 1079Lampropeltis catalinensis Van Denburgh & Slevin, 1921 · Santa Catalina Kingsnake
  1080. 1080Lampropeltis elapsoides (Holbrook, 1838) · Scarlet Kingsnake
  1081. 1081Lampropeltis extenuata (Brown, 1890) · Short-tailed Snake
  1082. 1082Lampropeltis floridana (Blanchard, 1919) · Florida Kingsnake
  1083. 1083Lampropeltis gentilis (Baird & Girard, 1853) · Pale Milksnake [multistriata]
  1084. 1084Lampropeltis getula (Linnaeus, 1766) · Common Kingsnake
  1085. 1085Lampropeltis greeri Webb, 1961 · Greer’s Kingsnake
  1086. 1086Lampropeltis holbrooki Stejneger, 1902 · Speckled Kingsnake
  1087. 1087Lampropeltis knoblochi Taylor, 1940 · Madrean Mountain Kingsnake
  1088. 1088Lampropeltis leonis (Günther, 1893) · Mexican Kingsnake
  1089. 1089Lampropeltis mexicana (Garman, 1884) · Mexican Kingsnake
  1090. 1090Lampropeltis micropholis Cope, 1860 · Ecuadorian Milksnake
  1091. 1091Lampropeltis nigra (Yarrow, 1882) · Black Kingsnake
  1092. 1092Lampropeltis nigrita (Zweifel & Norris, 1955) · Mexican Black Kingsnake
  1093. 1093Lampropeltis occipitolineata Price, 1987 · South Florida Mole Kingsnake
  1094. 1094Lampropeltis polyzona Cope, 1860 · Atlantic Central American Milksnake
  1095. 1095Lampropeltis pyromelana (Cope, 1866) · Arizona Mountain Kingsnake
  1096. 1096Lampropeltis rhombomaculata (Holbrook, 1840) · Mole Kingsnake
  1097. 1097Lampropeltis ruthveni Blanchard, 1920 · Ruthvens Kingsnake
  1098. 1098Lampropeltis splendida (Baird & Girard, 1853) · Desert Kingsnake
  1099. 1099Lampropeltis triangulum (Lacépède, 1789) · Mexican Milksnake [annulata]
  1100. 1100Lampropeltis webbi Bryson, Dixon & Lazcano, 2005 · Webb’s kingsnake
  1101. 1101Lampropeltis zonata (Lockington, 1835) · California Mountain Kingsnake
  1102. 1102Leptodeira annulata (Linnaeus, 1758) · Banded Cat-eyed Snake
  1103. 1103Leptodeira approximans (Günther, 1872) · newer than the 2023 backbone
  1104. 1104Leptodeira ashmeadii (Hallowell, 1845) · Banded Cat-eyed Snake
  1105. 1105Leptodeira bakeri Ruthven, 1936 · Aruban Cat-eyed Snake
  1106. 1106Leptodeira frenata (Cope, 1886) · Rainforest Cat-eyed Snake
  1107. 1107Leptodeira larcorum Schmidt & Walker, 1943
  1108. 1108Leptodeira maculata (Hallowell, 1861) · Southwestern Cat-eyed Snake
  1109. 1109Leptodeira misinawui Torres-Carvajal, Sánchez-Nivicela, Posse, Celi & Koch, 2020
  1110. 1110Leptodeira nigrofasciata Günther, 1868 · Black-banded Cat-eyed Snake
  1111. 1111Leptodeira ornata (Bocourt, 1884) · Northern Cat-eyed Snake
  1112. 1112Leptodeira pulchriceps Duellman, 1958 · newer than the 2023 backbone
  1113. 1113Leptodeira punctata (Peters, 1866) · Western Cat-eyed Snake
  1114. 1114Leptodeira rhombifera Günther, 1872
  1115. 1115Leptodeira rubricata (Cope, 1893)
  1116. 1116Leptodeira septentrionalis (Kennicott, 1859) · Small-spotted Cat-eyed Snake [polysticta]
  1117. 1117Leptodeira splendida Günther, 1885 · Splendid Cat-eyed Snake
  1118. 1118Leptodeira tarairiu Costa, Graboski, Grazziotin, Zaher, Rodrigues & Prudente, 2022 · newer than the 2023 backbone
  1119. 1119Leptodeira uribei (Bautista & Smith, 1992) · Uribe's False Cat-eyed Snake
  1120. 1120Leptodrymus pulcherrimus (Cope, 1874) · Striped Lowland Snake
  1121. 1121Leptophis ahaetulla (Linnaeus, 1758) · (Giant) Parrot Snake
  1122. 1122Leptophis bocourti Boulenger, 1898
  1123. 1123Leptophis bolivianus Oliver, 1942 · newer than the 2023 backbone
  1124. 1124Leptophis coeruleodorsus Oliver, 1942 · Tobagan Parrot Snake [haileyi]
  1125. 1125Leptophis cupreus (Cope, 1868) · Copper Parrot Snake
  1126. 1126Leptophis depressirostris (Cope, 1861) · Cope's Parrot Snake
  1127. 1127Leptophis dibernardoi Albuquerque, Santos, Borges-Nojosa & Ávila, 2022 · newer than the 2023 backbone
  1128. 1128Leptophis diplotropis (Günther, 1872) · Pacific Coast Parrot Snake
  1129. 1129Leptophis liocercus (Wied, 1824)
  1130. 1130Leptophis marginatus (Cope, 1862) · newer than the 2023 backbone
  1131. 1131Leptophis mexicanus Duméril, Bibron & Duméril, 1854 · Mexican Parrot Snake
  1132. 1132Leptophis modestus (Günther, 1872) · Cloud Forest Parrot Snake
  1133. 1133Leptophis mystacinus Albuquerque, Martins, Carvalho, Shepard & Santana, 2025 · newer than the 2023 backbone
  1134. 1134Leptophis nebulosus Oliver, 1942 · Oliver's Parrot Snake
  1135. 1135Leptophis nigromarginatus (Günther, 1866) · newer than the 2023 backbone
  1136. 1136Leptophis occidentalis (Günther, 1859) · newer than the 2023 backbone
  1137. 1137Leptophis praestans (Cope, 1868) · newer than the 2023 backbone
  1138. 1138Leptophis riveti Despax, 1910 · Despax's Parrot Snake
  1139. 1139Leptophis stimsoni Harding, 1995 · Gray Lora
  1140. 1140Leptophis urostictus (Peters, 1873) · newer than the 2023 backbone
  1141. 1141Limnophis bangweolicus (Mertens, 1936) · Bangweulu Water Snake
  1142. 1142Limnophis bicolor Günther, 1865 · Bicolored Swamp Snake
  1143. 1143Limnophis branchi Conradie, Deepak, Keates & Gower, 2020
  1144. 1144Liodytes alleni (Garman, 1874) · Striped Crayfish Snake
  1145. 1145Liodytes rigida (Say, 1825) · Crayfish Snake
  1146. 1146Lioheterophis iheringi Amaral, 1935 · Ihering's Snake
  1147. 1147Liopeltis philippina (Boettger, 1897) · Philippine Liopeltine Snake
  1148. 1148Liopeltis stoliczkae (Sclater, 1891) · Stoliczka's Smooth Snake
  1149. 1149Liopeltis tiomanica Som, Grismer, Grismer, Wood, Quah, Brown, Diesmos, Weinell & Stuart, 2020
  1150. 1150Liopeltis tricolor (Schlegel, 1837) · Malayan Ringneck
  1151. 1151Lycodon albofuscus (Duméril, Bibron & Duméril, 1854) · Dark Wolf Snake
  1152. 1152Lycodon alcalai Ota & Ross, 1994 · Alcala's Wolf Snake
  1153. 1153Lycodon anakradaya Nguyen, Duong, Wood & Grismer, 2022
  1154. 1154Lycodon aulicus (Linnaeus, 1758) · Indian Wolf Snake
  1155. 1155Lycodon banksi Luu, Bonkowski, Nguyen, Le, Calame & Ziegler, 2018 · Banks’ Wolf Snake
  1156. 1156Lycodon bibonius Ota & Ross, 1994 · Ota's Wolf Snake
  1157. 1157Lycodon bicolor (Nikolsky, 1903) · Mackinnon's Wolf Snake · newer than the 2023 backbone
  1158. 1158Lycodon butleri Boulenger, 1900 · Butler's Wolf Snake
  1159. 1159Lycodon calcarophilus Vogel, Bragin, Poyarkov & Nguyen, 2025 · Limestone Wolf Snake · newer than the 2023 backbone
  1160. 1160Lycodon capucinus Boie, 1827 · Common Wolf Snake
  1161. 1161Lycodon cardamomensis Daltry & Wüster, 2002
  1162. 1162Lycodon carinatus (Kuhl, 1820) · Ceylon Wolf Snake
  1163. 1163Lycodon cathaya Wang, Qi, Lyu, Zeng & Wang, 2020 · Huaping wolf snake
  1164. 1164Lycodon cavernicolus Grismer, Quah, Anuar, Muin, Wood & Nor, 2014 · Gua Wang Burma Wolf Snake
  1165. 1165Lycodon chapaensis (Angel & Bourret, 1933) · Namdong Wolf Snake
  1166. 1166Lycodon chithrasekarai (Wickramasinghe, Vidanapathirana, Pushpamal & Wickramasinghe, 2020) · Chithrasekara’s bridle snake
  1167. 1167Lycodon chrysoprateros Ota & Ross, 1994 · Ross' Wolf Snake
  1168. 1168Lycodon davidi Vogel, Nguyen, Kingsada & Ziegler, 2012 · David’s Wolf Snake
  1169. 1169Lycodon davisonii (Blanford, 1878) · Blanford's Bridal Snake (Bridle Snake)
  1170. 1170Lycodon deccanensis Ganesh, Deuti, Punith, Achyuthan, Mallik, Adhikari & Vogel, 2020 · Deccan Wolf Snake
  1171. 1171Lycodon dumerilii (Boulenger, 1893) · Duméril's Wolf Snake
  1172. 1172Lycodon duytan Nguyen, Poyarkov & Vogel, 2025 · newer than the 2023 backbone
  1173. 1173Lycodon effraenis Cantor, 1847 · Brown Wolf Snake
  1174. 1174Lycodon fasciatus (Anderson, 1879) · Banded Wolf Snake
  1175. 1175Lycodon fasciolatus (Shaw, 1802) · Colombo Wolf Snake [anamallensis]
  1176. 1176Lycodon fausti Gaulke, 2002 · Faust’s Wolf Snake
  1177. 1177Lycodon ferroni Lanza, 1999 · Ferron’s Asian Wolf Snake
  1178. 1178Lycodon flavicollis Mukherjee & Bhupathy, 2007 · Yellow-collared wolf snake
  1179. 1179Lycodon flavomaculatus Wall, 1907 · Yellow-spotted Wolf Snake
  1180. 1180Lycodon flavozonatus (Pope, 1928) · Big-tooth Snake
  1181. 1181Lycodon futsingensis (Pope, 1928)
  1182. 1182Lycodon gammiei (Blanford, 1878) · Sikkim False Wolf Snake
  1183. 1183Lycodon gibsonae Vogel & David, 2019 · Gibson’s Wolf Snake
  1184. 1184Lycodon gongshan Vogel & Luo, 2011 · Gongshan Wolf Snake
  1185. 1185Lycodon gracilis (Günther, 1864) · Scarce Bridal Snake
  1186. 1186Lycodon hypsirhinoides (Theobald, 1868) · Andaman wolf snake
  1187. 1187Lycodon irwini Naveen, Mirza, Choure & Chandramouli, 2025 · Irwin’s Wolf Snake · newer than the 2023 backbone
  1188. 1188Lycodon jara (Shaw, 1802) · Twin-spotted Wolf Snake
  1189. 1189Lycodon kundui Smith, 1943
  1190. 1190Lycodon laoensis Günther, 1864 · Laotian Wolf Snake
  1191. 1191Lycodon latifasciatus Nguyen, Lee, Jiang, Ding, Chit, Poyarkov & Vogel, 2025 · East himalayan Banded Wolf Snake · newer than the 2023 backbone
  1192. 1192Lycodon liuchengchaoi Zhang, Jiang, Vogel & Rao, 2011
  1193. 1193Lycodon muelleri Duméril, Bibron & Duméril, 1854 · Müller’s Wolf Snake
  1194. 1194Lycodon multifasciatus (Maki, 1931)
  1195. 1195Lycodon multizonatus (Zhao & Jiang, 1981) · Luding Kukri Snake
  1196. 1196Lycodon neomaculatus (Nguyen, Lee, Pauwels, Kennedy-Gold, Poyarkov, David & Vogel, 2024) · Indochinese Banded Wolf Snake · newer than the 2023 backbone
  1197. 1197Lycodon nympha (Daudin, 1803) · Vellore Bridal Snake
  1198. 1198Lycodon obvelatus Wang, Yu, Vogel & Che, 2020 · Recluse Wolf Snake
  1199. 1199Lycodon ophiophagus Vogel, David, Pauwels, Sumontha, Norval, Hendrix, Vu & Ziegler, 2009 · Snake-eater Wolf Snake
  1200. 1200Lycodon orientalis (Hilgendorf, 1880) · Oriental Odd-tooth Snake
  1201. 1201Lycodon paucifasciatus Rendahl, 1943 · Rendahl's Wolf Snake
  1202. 1202Lycodon philippinus (Griffin, 1909) · Philippine Dryocalamus
  1203. 1203Lycodon pictus Janssen, Pham, Ngo, Le, Nguyen & Ziegler, 2019
  1204. 1204Lycodon poyarkovi Nguyen & Vogel, 2025 · Poyarkov’s Big-tooth Snake · newer than the 2023 backbone
  1205. 1205Lycodon rosozonatus (Hu & Zhao, 1972) · Rose Big-tooth Snake
  1206. 1206Lycodon rufozonatus Cantor, 1842 · Red-banded Snake
  1207. 1207Lycodon ruhstrati (Fischer, 1886) · Mountain Wolf Snake
  1208. 1208Lycodon sealei Leviton, 1955 · Seale’s Banded Asian Wolf Snake
  1209. 1209Lycodon semicarinatus (Cope, 1860) · Loo-Choo Big-tooth Snake
  1210. 1210Lycodon septentrionalis (Günther, 1875) · White-banded Wolf Snake
  1211. 1211Lycodon serratus Wang, Yu, Vogel & Che, 2020 · Serrate-banded Wolf Snake
  1212. 1212Lycodon sidiki Wostl, Hamidy, Kurniawan & Smith, 2017
  1213. 1213Lycodon solivagus Ota & Ross, 1994 · Common Wolf Snake
  1214. 1214Lycodon stormi Boettger, 1892 · Sulawesi Wolf Snake
  1215. 1215Lycodon striatus (Shaw, 1802) · Northern Wolf Snake
  1216. 1216Lycodon subannulatus (Duméril, Bibron & Duméril, 1854) · Southern Bridle Snake
  1217. 1217Lycodon subcinctus Boie, 1827 · Malayan Banded Wolf Snake
  1218. 1218Lycodon synaptor Vogel & David, 2010 · Boehme’s wolf Snake
  1219. 1219Lycodon tessellatus Jan, 1863 · Manila Wolf Snake
  1220. 1220Lycodon tiwarii Biswas & Sanyal, 1965 · Andaman Wolf Snake
  1221. 1221Lycodon travancoricus (Beddome, 1870) · Travancore Wolf Snake
  1222. 1222Lycodon tristrigatus (Günther, 1858)
  1223. 1223Lycodon truongi Nguyen, Duong, Wood & Grismer, 2022 · Truong’s wolf snake
  1224. 1224Lycodon walli (Stejneger, 1907) · Walls’ Red-banded Snake · newer than the 2023 backbone
  1225. 1225Lycodon yunnanensis (Werner, 1922) · Yunnan Wolf Snake · newer than the 2023 backbone
  1226. 1226Lycodon zawi Slowinski, Pawar, Win, Thin, Gyi, Oo & Tun, 2001 · Zaw's Wolf Snake
  1227. 1227Lycodon zayuensis Jiang, Wang, Jin & Che, 2020
  1228. 1228Lycodon zoosvictoriae Neang, Hartmann, Hun, Souter & Furey, 2014 · Zoos Victoria’s Wolf Snake
  1229. 1229Lycognathophis seychellensis (Schlegel, 1837) · Seychelles Wolf Snake
  1230. 1230Lygophis anomalus (Günther, 1858) · Golden-belly snake
  1231. 1231Lygophis dilepis Cope, 1862 · Lema's Ground Snake
  1232. 1232Lygophis elegantissimus (Koslowsky, 1896)
  1233. 1233Lygophis flavifrenatus Cope, 1862 · Fronted Ground Snake
  1234. 1234Lygophis lineatus (Linnaeus, 1758) · Lined Ground Snake
  1235. 1235Lygophis meridionalis (Schenkel, 1901)
  1236. 1236Lygophis paucidens Hoge, 1953 · Hoge's Ground Snake
  1237. 1237Lygophis vanzolinii (Dixon, 1985) · Vanzolini's Ground Snake
  1238. 1238Lytorhynchus diadema (Duméril, Bibron & Duméril, 1854) · Crowned Leafnose Snake
  1239. 1239Lytorhynchus gaddi Nikolsky, 1907
  1240. 1240Lytorhynchus gasperetti Leviton, 1977 · Leviton's Leafnose Snake
  1241. 1241Lytorhynchus kennedyi Schmidt, 1939 · Kennedy's Leafnose Snake
  1242. 1242Lytorhynchus maynardi Alcock & Finn, 1897 · Maynard's Longnose Sand Snake
  1243. 1243Lytorhynchus paradoxus (Günther, 1875) · Sind Longnose Sand Snake
  1244. 1244Lytorhynchus ridgewayi Boulenger, 1887 · Derafshi Snake
  1245. 1245Macrocalamus chanardi David & Pauwels, 2005 · Chanard’s Reed Snake
  1246. 1246Macrocalamus emas Quah, Anuar, Grismer, Wood & Nor, 2019 · Golden-bellied Reed Snake
  1247. 1247Macrocalamus gentingensis Yaakob & Lim, 2002 · Genting Highlands Reed Snake
  1248. 1248Macrocalamus jasoni Grandison, 1972 · Jason's (Mountain) Reed Snake
  1249. 1249Macrocalamus lateralis Günther, 1864 · Malayan Mountain Reed Snake
  1250. 1250Macrocalamus schulzi Vogel & David, 1999
  1251. 1251Macrocalamus tweediei Lim, 1963 · Tweedie's Mountain Reed Snake
  1252. 1252Macrocalamus vogeli David & Pauwels, 2005 · Vogels’ Reed Snake
  1253. 1253Macroprotodon abubakeri Wade, 2001
  1254. 1254Macroprotodon brevis (Günther, 1862) · Iberian False Smooth Snake
  1255. 1255Macroprotodon cucullatus (Geoffroy Saint-Hilaire, 1827) · False Smooth Snake
  1256. 1256Macroprotodon mauritanicus Guichenot, 1850
  1257. 1257Magliophis exiguus (Cope, 1862) · Virgin Islands Miniracer
  1258. 1258Magliophis stahli (Stejneger, 1904) · Puerto Rican Miniracer
  1259. 1259Manolepis putnami (Jan, 1863) · Ridgehead Snake
  1260. 1260Masticophis anthonyi (Stejneger, 1901) · Clarion Island Whip Snake
  1261. 1261Masticophis aurigulus (Cope, 1861) · Baja California Striped Whip Snake
  1262. 1262Masticophis barbouri (Van Denburgh & Slevin, 1921) · Baja California Striped Whip Snake
  1263. 1263Masticophis bilineatus Jan, 1863 · Sonoran Whipsnake
  1264. 1264Masticophis flagellum (Shaw, 1802) · Coachwhip
  1265. 1265Masticophis fuliginosus (Cope, 1895) · Baja California Coachwhip
  1266. 1266Masticophis lateralis (Hallowell, 1853) · Striped Racer
  1267. 1267Masticophis lineatus Bocourt, 1890 · newer than the 2023 backbone
  1268. 1268Masticophis mentovarius (Duméril, Bibron & Duméril, 1854) · Neotropical Whip Snake
  1269. 1269Masticophis piceus (Cope, 1892) · Coachwhip · newer than the 2023 backbone
  1270. 1270Masticophis schotti Baird & Girard, 1853 · Schott's Whipsnake
  1271. 1271Masticophis slevini Lowe & Norris, 1955 · Isla San Esteban Whipsnake
  1272. 1272Masticophis taeniatus (Hallowell, 1852) · Striped Whipsnake
  1273. 1273Mastigodryas alternatus (Bocourt, 1884)
  1274. 1274Mastigodryas amarali (Stuart, 1938) · Amaral's Tropical Racer
  1275. 1275Mastigodryas boddaerti (Sentzen, 1796) · Boddaert's Tropical Racer
  1276. 1276Mastigodryas bruesi (Barbour, 1914) · Barbour's Tropical Racer
  1277. 1277Mastigodryas cliftoni (Hardy, 1964) · Clifton’s Lizard Eater
  1278. 1278Mastigodryas danieli Amaral, 1935 · Daniel's Tropical Racer
  1279. 1279Mastigodryas dorsalis (Bocourt, 1890) · Striped Lizard Eater
  1280. 1280Mastigodryas heathii (Cope, 1875) · Heath's Tropical Racer
  1281. 1281Mastigodryas melanolomus (Cope, 1868) · Salmon-bellied Treeracer
  1282. 1282Mastigodryas moratoi Montingelli & Zaher, 2011
  1283. 1283Mastigodryas pleii (Duméril, Bibron & Duméril, 1854) · Plee's Tropical Racer
  1284. 1284Mastigodryas pulchriceps (Cope, 1868) · Cope's Tropical Racer
  1285. 1285Mastigodryas reticulatus (Peters, 1863)
  1286. 1286Meizodon coronatus (Schlegel, 1837) · Western Crowned Snake
  1287. 1287Meizodon krameri Schätti, 1985 · Tana Delta smooth snake
  1288. 1288Meizodon plumbiceps (Boettger, 1893) · Black-headed smooth snake
  1289. 1289Meizodon regularis Fischer, 1856 · Eastern crowned smooth snake
  1290. 1290Meizodon semiornatus (Peters, 1854) · Semiornate Smooth Snake
  1291. 1291Mesotes rutilus (Prado, 1942) · Prado's Coastal House Snake · newer than the 2023 backbone
  1292. 1292Mesotes strigatus (Günther, 1858) · Coastal House Snake · newer than the 2023 backbone
  1293. 1293Mopanveldophis zebrinus (Broadley & Schätti, 2000) · Cunene Racer
  1294. 1294Muhtarophis barani (Olgun, Avci, Ilgaz, Üzüm & Yilmaz, 2007) · Baran’s Black-headed Dwarf Snake
  1295. 1295Mussurana bicolor (Peracca, 1904) · Two-colored Mussurana
  1296. 1296Mussurana montana (Franco, Marques & Puorto, 1997)
  1297. 1297Mussurana quimi (Franco, Marques & Puorto, 1997)
  1298. 1298Natriciteres bipostocularis Broadley, 1962 · Southwestern Forest Marsh Snake
  1299. 1299Natriciteres fuliginoides (Günther, 1858) · (Forest) Marsh Snake
  1300. 1300Natriciteres olivacea (Peters, 1854) · Olive Marsh Snake
  1301. 1301Natriciteres pembana (Loveridge, 1935) · Variable Marsh Snake
  1302. 1302Natriciteres sylvatica Broadley, 1966 · Forest Marsh Snake
  1303. 1303Natriciteres variegata (Peters, 1861) · Variable Marsh Snake
  1304. 1304Natrix astreptophora (Lopez-Seoane, 1885) · Red-eyed grass snake
  1305. 1305Natrix helvetica (Lacépède, 1789) · Banded Grass Snake
  1306. 1306Natrix maura (Linnaeus, 1758) · Viperine Water Snake
  1307. 1307Natrix natrix (Linnaeus, 1758) · Common Grass Snake · full sheet
  1308. 1308Natrix tessellata (Laurenti, 1768) · Dice Snake
  1309. 1309Nerodia clarkii (Baird & Girard, 1853) · Salt Marsh Snake
  1310. 1310Nerodia cyclopion (Duméril, Bibron & Duméril, 1854) · Mississippi Green Water Snake
  1311. 1311Nerodia erythrogaster (Forster, 1771) · Plainbelly Water Snake
  1312. 1312Nerodia fasciata (Linnaeus, 1766) · Southern Water Snake
  1313. 1313Nerodia floridana (Goff, 1936) · Florida Green Water Snake
  1314. 1314Nerodia harteri (Trapido, 1941) · Harters Water Snake
  1315. 1315Nerodia paucimaculata (Tinkle & Conant, 1961) · Concho Water Snake
  1316. 1316Nerodia rhombifer (Hallowell, 1852) · Diamondback Water Snake
  1317. 1317Nerodia sipedon (Linnaeus, 1758) · Northern Water Snake
  1318. 1318Nerodia taxispilota (Holbrook, 1838) · Brown Water Snake
  1319. 1319Ninia atrata (Hallowell, 1845) · South American Coffeesnake
  1320. 1320Ninia celata Mccranie & Wilson, 1995
  1321. 1321Ninia diademata Baird & Girard, 1853
  1322. 1322Ninia espinali Mccranie & Wilson, 1995 · Espinal's Coffee Snake
  1323. 1323Ninia franciscoi Angarita-Sierra, 2014 · Simla Coffeesnake
  1324. 1324Ninia guytudori Arteaga & Harris, 2023 · Tudors’s Cof- fee-Snake. · newer than the 2023 backbone
  1325. 1325Ninia hudsoni Parker, 1940 · Guiana Coffee Snake
  1326. 1326Ninia maculata (Peters, 1861) · Spotted Coffee Snake
  1327. 1327Ninia pavimentata (Bocourt, 1883) · Northern Banded Coffee Snake
  1328. 1328Ninia psephota (Cope, 1875) · Cope's Coffee Snake
  1329. 1329Ninia schmidti (Jan, 1862) · Schmidt’s Coffee-Snake. · newer than the 2023 backbone
  1330. 1330Ninia sebae (Duméril, Bibron & Duméril, 1854) · Redback Coffee Snake
  1331. 1331Ninia teresitae Angarita-Sierra & Lynch, 2017
  1332. 1332Nothopsis rugosus Cope, 1871 · Rough Coffee Snake
  1333. 1333Oligodon affinis Günther, 1862 · Kukri Snake
  1334. 1334Oligodon albocinctus (Cantor, 1839) · Light-barred Kukri Snake
  1335. 1335Oligodon amabilis (Günther, 1868) · Southern Burmese Kukri Snake · newer than the 2023 backbone
  1336. 1336Oligodon ancorus (Girard, 1858) · Northern Short-headed Snake
  1337. 1337Oligodon annamensis Leviton, 1953 · Annam Kukri Snake
  1338. 1338Oligodon annulifer (Boulenger, 1893) · Ringed Kukri Snake
  1339. 1339Oligodon arnensis (Shaw, 1802) · Russet Kukri Snake
  1340. 1340Oligodon barroni (Smith, 1916) · Barron's Kukri Snake
  1341. 1341Oligodon bitorquatus Boie, 1827 · Boie's Kukri Snake
  1342. 1342Oligodon bivirgatus Qian, Qi, Shi, Lu, Jenkins, MO & Li, 2021 · Double Striped Kukri Snake
  1343. 1343Oligodon booliati Leong & Grismer, 2004
  1344. 1344Oligodon brevicauda Günther, 1862 · Shorthead Kukri Snake
  1345. 1345Oligodon calamarius (Linnaeus, 1758)
  1346. 1346Oligodon catenatus (Blyth, 1855) · Assam Kukri Snake
  1347. 1347Oligodon chinensis (Günther, 1888) · Chinese Kukri Snake
  1348. 1348Oligodon cicadophagus Pauwels, Donbundit, Sumontha & Meesook, 2025 · newer than the 2023 backbone
  1349. 1349Oligodon cinereus (Günther, 1864) · Günther's Kukri Snake
  1350. 1350Oligodon condaoensis Nguyen, Nguyen, Le & Murphy, 2016
  1351. 1351Oligodon cruentatus (Günther, 1868) · Pegu Kukri Snake
  1352. 1352Oligodon culaochamensis Nguyen, Nguyen, Nguyen, Phan, Jiang & Murphy, 2017
  1353. 1353Oligodon cyclurus (Cantor, 1839) · Cantor's Kukri Snake
  1354. 1354Oligodon deuvei David, Vogel & Van Rooijen, 2008
  1355. 1355Oligodon dorsalis (Gray, 1834) · Gray's Kukri Snake
  1356. 1356Oligodon eberhardti Pellegrin, 1910 · Eberhardt’s Kukri Snake
  1357. 1357Oligodon erythrogaster Boulenger, 1907 · Nagarkot Kukri Snake
  1358. 1358Oligodon erythrorhachis Wall, 1910 · Namsang Kukri Snake
  1359. 1359Oligodon everetti Boulenger, 1893 · Everett's Kukri Snake
  1360. 1360Oligodon fasciolatus (Günther, 1864) · Fasciolated Kukri Snake
  1361. 1361Oligodon forbesi (Boulenger, 1883) · Forbes' Kukri Snake
  1362. 1362Oligodon formosanus (Günther, 1872) · Formosa Kukri Snake
  1363. 1363Oligodon hamptoni Boulenger, 1918 · Hampton's Kukri Snake
  1364. 1364Oligodon huahin Pauwels, Larsen, Suthanthangjai, David & Sumontha, 2017 · Hua Hin Kukri Snake
  1365. 1365Oligodon inornatus (Boulenger, 1914) · Inornate Kukri Snake
  1366. 1366Oligodon jintakunei Pauwels, Wallach, David & Chanhome, 2002
  1367. 1367Oligodon joynsoni (Smith, 1917) · Gray Kukri Snake
  1368. 1368Oligodon juglandifer (Wall, 1909) · Walnut Kukri Snake
  1369. 1369Oligodon kampucheaensis Neang, Grismer & Daltry, 2012
  1370. 1370Oligodon lacroixi Angel & Bourret, 1933 · Lacroix Kukri Snake
  1371. 1371Oligodon lungshenensis Zheng & Huang, 1978
  1372. 1372Oligodon macrurus (Angel, 1927) · Angel's Kukri Snake
  1373. 1373Oligodon maculatus (Taylor, 1918) · Spotted Kukri Snake
  1374. 1374Oligodon mcdougalli Wall, 1905 · McDougall's Kukri Snake
  1375. 1375Oligodon melaneus Wall, 1909 · Bluebelly Kukri Snake
  1376. 1376Oligodon melanozonatus Wall, 1922 · Abor Hills Kukri Snake
  1377. 1377Oligodon meyerinkii (Steindachner, 1891) · Sulu Kukri Snake; Sulu Short-headed Snake
  1378. 1378Oligodon modestus Günther, 1864 · Luzon Kukri Snake
  1379. 1379Oligodon moricei David, Vogel & Van Rooijen, 2008
  1380. 1380Oligodon mouhoti (Boulenger, 1914) · Mouhot’s Kukri Snake
  1381. 1381Oligodon nagao David, Nguyen, Nguyen, Jiang, Chen, Teynié & Ziegler, 2012 · Nagao Kukri Snake
  1382. 1382Oligodon nikhili Whitaker & Dattatri, 1982 · Nikhil's Kukri Snake
  1383. 1383Oligodon notospilus Günther, 1873 · Palawan Kukri Snake; Palawan Short-headed Snake
  1384. 1384Oligodon ocellatus (Morice, 1875) · Ocellated Kukri Snake
  1385. 1385Oligodon octolineatus (Schneider, 1801) · Grace's Kukri Snake
  1386. 1386Oligodon ornatus Van Denburgh, 1909 · Ornate Kukri Snake
  1387. 1387Oligodon perkinsi (Taylor, 1925) · Perkin's Short-headed Snake
  1388. 1388Oligodon petronellae de Rooij, 1917
  1389. 1389Oligodon phangan Pauwels, Thongyai, Chantong & Sumontha, 2021 · Pha-Ngan Kukri Snake
  1390. 1390Oligodon planiceps (Boulenger, 1888)
  1391. 1391Oligodon praefrontalis Werner, 1913
  1392. 1392Oligodon promsombuti Pauwels, Thongyai, Chantong & Sumontha, 2021
  1393. 1393Oligodon propinquus Jan, 1862 · Bleeker's Kukri Snake
  1394. 1394Oligodon pseudotaeniatus David, Vogel & Van Rooijen, 2008
  1395. 1395Oligodon pulcherrimus Werner, 1909
  1396. 1396Oligodon purpurascens (Schlegel, 1837) · Brown Kukri Snake
  1397. 1397Oligodon rostralis Nguyen, Tran, Nguyen, Neang, Yushchenko & Poyarkov, 2020 · Long-snouted kukri snake
  1398. 1398Oligodon russelius (Daudin, 1803) · Churah Valley Kukri snake [churahensis] · newer than the 2023 backbone
  1399. 1399Oligodon saintgironsi David, Vogel & Pauwels, 2008 · Saint Gironns’ Kukri Snake
  1400. 1400Oligodon saiyok Sumontha, Kunya, Dangsri & Pauwels, 2017 · Sai Yok Kukri Snake
  1401. 1401Oligodon signatus (Günther, 1864) · Barred (or Banded) Kukri Snake
  1402. 1402Oligodon speleoserpens Pawangkhanant, Poyarkov, Ward-Smith, Grassby-Lewis, Sumontha, Kliukin, Idiiatullina, Trofimets, Suwannapoom & Lee, 2024 · Cave Kukri Snake · newer than the 2023 backbone
  1403. 1403Oligodon splendidus (Günther, 1875) · Splendid Kukri Snake
  1404. 1404Oligodon sublineatus Duméril, Bibron & Duméril, 1854 · Duméril's Kukri Snake
  1405. 1405Oligodon taeniatus (Günther, 1861) · Striped Kukri Snake
  1406. 1406Oligodon taeniolatus (Jerdon, 1853) · Streaked Kukuri Snake
  1407. 1407Oligodon teyniei David, Hauser & Vogel, 2022 · Teynié’s Kukri Snake
  1408. 1408Oligodon theobaldi (Günther, 1868) · Theobald's Kukri Snake
  1409. 1409Oligodon tillacki Bandara, Ganesh, Kanishka, Danushka, Sharma, Campbell, Ineich, Vogel & Amarasinghe, 2022 · Tillack’s Kukri Snakes
  1410. 1410Oligodon tolaki Amarasinghe, Henkanaththegedara, Campbell, Riyanto, Hallermann & Vogel, 2021
  1411. 1411Oligodon torquatus (Boulenger, 1888) · Garlanded Kukri Snake
  1412. 1412Oligodon transcaspicus (Nikolsky, 1903) · Streaked Kukuri Snake · newer than the 2023 backbone
  1413. 1413Oligodon travancoricus Beddome, 1877 · Travancore Kukri Snake
  1414. 1414Oligodon trilineatus (Duméril, Bibron & Duméril, 1854) · Three-lined Kukri Snake
  1415. 1415Oligodon tuani Nguyen, Le, VO & Murphy, 2022 · Langbian kukri snake
  1416. 1416Oligodon unicolor (Kopstein, 1926)
  1417. 1417Oligodon venustus (Jerdon, 1853)
  1418. 1418Oligodon vertebralis Günther, 1865 · Vertebral Kukri Snake
  1419. 1419Oligodon violaceus Cantor, 1839 · Coral red kukri snake · newer than the 2023 backbone
  1420. 1420Oligodon waandersi (Bleeker, 1860) · Bleeker's Kukri Snake
  1421. 1421Oligodon wagneri David & Vogel, 2012 · Wagner’s kukri Snake
  1422. 1422Oligodon woodmasoni (Sclater, 1891) · Yellow -striped Kukri Snake
  1423. 1423Oligodon zhangfujii Jiang, Wu, Huang, Ren, Gao, Lyu & Li, 2024 · Zhang’s Kukri snake · newer than the 2023 backbone
  1424. 1424Omoadiphas aurula Köhler, Mccranie & Wilson, 2001
  1425. 1425Omoadiphas cannula Mccranie & Cruz-Díaz, 2010
  1426. 1426Omoadiphas texiguatensis Mccranie & Castañeda, 2004
  1427. 1427Oocatochus rufodorsatus (Cantor, 1842) · Frog-eating Rat Snake
  1428. 1428Opheodrys aestivus (Linnaeus, 1766) · Rough greensnake · full sheet
  1429. 1429Opheodrys carinatus Grobman, 1984 · Florida Rough greensnake · newer than the 2023 backbone
  1430. 1430Opheodrys vernalis (Harlan, 1827) · Smooth Green Snake
  1431. 1431Opisthotropis alcalai Brown & Leviton, 1961 · Gary's Mountain Keelback
  1432. 1432Opisthotropis andersonii (Boulenger, 1888) · Anderson's Mountain Keelback
  1433. 1433Opisthotropis atra Günther, 1872
  1434. 1434Opisthotropis cheni Zhao, 1999
  1435. 1435Opisthotropis cucae David, Pham, Nguyen & Ziegler, 2011 · Cuc’s Mountain Snake
  1436. 1436Opisthotropis daovantieni Orlov, Darevsky & Murphy, 1998 · Tien’s mountain stream snake
  1437. 1437Opisthotropis durandi Teynié, Lottier, David, Nguyen & Vogel, 2014 · Durand’s Mountain Stream Snake
  1438. 1438Opisthotropis guangxiensis Zhao, Jiang & Huang, 1978 · Guangxi Mountain Keelback
  1439. 1439Opisthotropis haihaensis Ziegler, Pham, Nguyen, Nguyen, Wang, Wang, Stuart & Le, 2019 · Hai Ha Mountain Stream Keelback
  1440. 1440Opisthotropis hanseli Stuart, Seateun, Chuaynkern, Ren, Bernstein & Phimmachak, 2026 · Hansel’s Mountain Stream keelback · newer than the 2023 backbone
  1441. 1441Opisthotropis hungtai Wang, Lyu, Zeng, Lin, Yang, Nguyen, Le, Ziegler & Wang, 2020 · Hung-Ta Chang’s mountain Keelback
  1442. 1442Opisthotropis jacobi Angel & Bourret, 1933 · Jacob’s Mountain Stream Keelback
  1443. 1443Opisthotropis kikuzatoi (Okada & Takara, 1958) · Kikuzato's Brook Snake
  1444. 1444Opisthotropis kuatunensis Pope, 1928 · Chinese Mountain Keelback
  1445. 1445Opisthotropis lateralis Boulenger, 1903 · Tonkin Mountain Keelback
  1446. 1446Opisthotropis latouchii (Boulenger, 1899) · Sichuan Mountain Keelback
  1447. 1447Opisthotropis laui Yang, Sung & Chan, 2013 · Lau’s Mountain Stream Snake
  1448. 1448Opisthotropis maculosa Stuart & Chuaynkern, 2007 · Yellow-spotted mountain Keelback
  1449. 1449Opisthotropis maxwelli Boulenger, 1914 · Maxwell's Mountain Keelback
  1450. 1450Opisthotropis rugosa (Lidth de Jeude, 1890)
  1451. 1451Opisthotropis shenzhenensis Wang, Guo, Liu, Lyu, Wang, Luo, Sun & Zhang, 2017 · Shenzhen Mountain Stream Snake
  1452. 1452Opisthotropis spenceri Smith, 1918 · Spencer’s Stream Snake
  1453. 1453Opisthotropis tamdaoensis Ziegler, David & Vu, 2008
  1454. 1454Opisthotropis typica (Mocquard, 1890) · Olive Mountain Keelback
  1455. 1455Opisthotropis voquyi Ziegler, David, Ziegler, Pham, Nguyen & Le, 2018 · Vo Quy’s Mountain Stream Keelback
  1456. 1456Opisthotropis zhaoermii Ren, Wang, Jiang, Guo & Li, 2017 · Zhao’s Mountain Stream Snake
  1457. 1457Oreocalamus hanitschi Boulenger, 1899 · Hanitsch’s Reed Snake
  1458. 1458Oreocryptophis porphyraceus (Cantor, 1839) · Red Bamboo Snake
  1459. 1459Orientocoluber spinalis (Peters, 1866) · Slender Racer
  1460. 1460Oxybelis aeneus (Wagler, 1824) · Brown vinesnake
  1461. 1461Oxybelis brevirostris (Cope, 1861) · Cope's Vine Snake
  1462. 1462Oxybelis fulgidus (Daudin, 1803) · Green Vinesnake
  1463. 1463Oxybelis inkaterra Jadin, Jowers, Orlofske, Duellman, Blair & Murphy, 2021 · Inkaterra Vine Snake
  1464. 1464Oxybelis koehleri Jadin, Blair, Orlofske, Jowers, Rivas, Vitt, Ray, Smith & Murphy, 2020 · Köhler’s Vine Snake
  1465. 1465Oxybelis microphthalmus Barbour & Amaral, 1926 · Thrornscrub Vine Snake
  1466. 1466Oxybelis potosiensis Taylor, 1941 · Gulf Coast Vine Snake
  1467. 1467Oxybelis rutherfordi Jadin, Blair, Orlofske, Jowers, Rivas, Vitt, Ray, Smith & Murphy, 2020 · Rutherford’s Vine Snake
  1468. 1468Oxybelis transandinus Torres-Carvajal, Mejía-Guerrero & Terán, 2021
  1469. 1469Oxybelis vittatus (Girard, 1854)
  1470. 1470Oxybelis wilsoni Villa & Mccranie, 1995 · Roatan Vinesnake
  1471. 1471Oxyrhopus clathratus Duméril, Bibron & Duméril, 1854 · Duméril's False Coral Snake
  1472. 1472Oxyrhopus doliatus Duméril, Bibron & Duméril, 1854 · Bibron's False Coral Snake
  1473. 1473Oxyrhopus emberti Gonzales, Reichle & Entiauspe-Neto, 2020
  1474. 1474Oxyrhopus erdisii (Barbour, 1913)
  1475. 1475Oxyrhopus fitzingeri (Tschudi, 1845) · Fitzinger's False Coral Snake
  1476. 1476Oxyrhopus formosus (Wied-Neuwied, 1820) · False Coral Snake
  1477. 1477Oxyrhopus guibei Hoge & Romano, 1977
  1478. 1478Oxyrhopus leucomelas (Werner, 1916) · Werner's False Coral Snake
  1479. 1479Oxyrhopus marcapatae (Boulenger, 1902) · Boulenger's False Coral Snake
  1480. 1480Oxyrhopus melanogenys (Tschudi, 1845) · Tschudi's False Coral Snake
  1481. 1481Oxyrhopus occipitalis (Wied-Neuwied, 1824)
  1482. 1482Oxyrhopus petolarius (Linnaeus, 1758) · Forest Flame Snake
  1483. 1483Oxyrhopus rhombifer Duméril, Bibron & Duméril, 1854 · Amazon False Coral Snake
  1484. 1484Oxyrhopus trigeminus Duméril, Bibron & Duméril, 1854 · Brazilian False Coral Snake
  1485. 1485Oxyrhopus vanidicus Lynch, 2009
  1486. 1486Paikwaophis kruki Kok & Means, 2023 · newer than the 2023 backbone
  1487. 1487Palusophis bifossatus (Raddi, 1820) · false jararaca
  1488. 1488Pantherophis alleghaniensis (Holbrook, 1836) · Everglades Ratsnake (rossalleni)
  1489. 1489Pantherophis bairdi (Yarrow, 1880) · Baird's Rat Snake
  1490. 1490Pantherophis emoryi (Baird & Girard, 1853) · Great Plains Rat Snake
  1491. 1491Pantherophis guttatus (Linnaeus, 1766) · Red Cornsnake · full sheet
  1492. 1492Pantherophis obsoletus (Say, 1823) · Black Rat snake
  1493. 1493Pantherophis quadrivittatus (Holbrook, 1836) · Yellow Rat Snake (quadrivittata) · newer than the 2023 backbone
  1494. 1494Pantherophis ramspotti Crother, White, Savage, Eckstut, Graham & Gardner, 2011 · Western Foxsnake
  1495. 1495Pantherophis slowinskii (Burbrink, 2002) · Slowinski ’s Cornsnake [slowinskii]
  1496. 1496Pantherophis vulpinus (Baird & Girard, 1853) · Eastern Fox Snake
  1497. 1497Paraphimophis rusticus (Cope, 1878) · Culebra
  1498. 1498Persiophis fahimii (Rajabizadeh, Pyron, Nazarov, Poyarkov, Adriaens & Herrel, 2020) · Fahimi’s Ground Snake
  1499. 1499Phalotris bilineatus (Duméril, Bibron & Duméril, 1854) · Dumeril's Diadem Snake
  1500. 1500Phalotris concolor Ferrarezzi, 1993
  1501. 1501Phalotris cuyanus (Cei, 1984)
  1502. 1502Phalotris illustrator Scrocchi, Giraudo & Nenda, 2022
  1503. 1503Phalotris labiomaculatus de Lema, 2002
  1504. 1504Phalotris lativittatus Ferrarezzi, 1993
  1505. 1505Phalotris lemniscatus (Duméril, Bibron & Duméril, 1854) · Dumeril's Diadem Snake
  1506. 1506Phalotris matogrossensis de Lema, D'Agostini & Cappellari, 2005 · Mato Grosso Burrowing Snake
  1507. 1507Phalotris mertensi (Hoge, 1955)
  1508. 1508Phalotris multipunctatus Puorto & Ferrarezzi, 1993
  1509. 1509Phalotris nasutus (Gomes, 1915)
  1510. 1510Phalotris nigrilatus Ferrarezzi, 1993
  1511. 1511Phalotris normanscotti Cabral & Cacciali, 2015 · Chaco Burrowing Snake
  1512. 1512Phalotris punctatus (de Lema, 1979) · Punctate Burrowing Snake
  1513. 1513Phalotris reticulatus (Peters, 1860)
  1514. 1514Phalotris sansebastiani Jansen & Köhler, 2008
  1515. 1515Phalotris shawnella Smith, Brouard & Cacciali, 2022
  1516. 1516Phalotris spegazzinii (Boulenger, 1913) · newer than the 2023 backbone
  1517. 1517Phalotris suspectus (Amaral, 1924) · Dumeril's Diadem Snake · newer than the 2023 backbone
  1518. 1518Phalotris tricolor (Duméril, Bibron & Duméril, 1854) · Tricolored Burrowing Snake
  1519. 1519Philodryas aestiva (Duméril, Bibron & Duméril, 1854) · Common Green Racer
  1520. 1520Philodryas agassizii (Jan, 1863) · Burrowing Night Snake
  1521. 1521Philodryas arnaldoi (Amaral, 1932) · Arnaldo's Green Racer
  1522. 1522Philodryas baroni Berg, 1895 · Baron's Green Racer
  1523. 1523Philodryas boliviana Boulenger, 1896 · Bolivian Racer
  1524. 1524Philodryas chamissonis (Wiegmann, 1835) · Chilean Green Racer
  1525. 1525Philodryas cordata Donnelly & Myers, 1991
  1526. 1526Philodryas erlandi Lönnberg, 1902 · Miranda Green Racer
  1527. 1527Philodryas livida (Amaral, 1923)
  1528. 1528Philodryas mattogrossensis Koslowsky, 1898 · Miranda Green Racer
  1529. 1529Philodryas nattereri (Steindachner, 1870) · Paraguay Green Racer
  1530. 1530Philodryas olfersii (Lichtenstein, 1823) · Lichtenstein's Green Racer
  1531. 1531Philodryas patagoniensis (Girard, 1858) · Patagonia Green Racer
  1532. 1532Philodryas psammophidea Günther, 1872 · Günther's Green Racer
  1533. 1533Philodryas pseudomamba Di Pietro, Sánchez, Poljak & Alcalde, 2026 · South American dotted racer · newer than the 2023 backbone
  1534. 1534Philodryas trilineata (Burmeister, 1861)
  1535. 1535Philodryas varia (Jan, 1863) · Jan's Green Racer
  1536. 1536Philothamnus angolensis Bocage, 1882 · Angola Green Snake
  1537. 1537Philothamnus battersbyi Loveridge, 1951 · Battersby's Green Snake
  1538. 1538Philothamnus belli (Günther, 1866)
  1539. 1539Philothamnus bequaerti (Schmidt, 1923) · Bequaert's Green Snake
  1540. 1540Philothamnus brunneus Trape, Hughes & Mediannikov, 2021
  1541. 1541Philothamnus carinatus (Andersson, 1901) · Thirteen-scaled Green Snake
  1542. 1542Philothamnus chifunderai Greenbaum, Pauwels, Gvoždík, Vaughan, Chaney, Buontempo, Aristote, Muninga & Engelbrecht, 2023 · Chifundera’s Green Snake · newer than the 2023 backbone
  1543. 1543Philothamnus dorsalis (Bocage, 1866) · Striped Green Snake
  1544. 1544Philothamnus girardi Bocage, 1893 · Girard's Green Snake
  1545. 1545Philothamnus heterodermus (Hallowell, 1857) · Emerald Green Snake
  1546. 1546Philothamnus heterolepidotus (Günther, 1863) · Slender Green Snake
  1547. 1547Philothamnus hoplogaster (Günther, 1863) · Southeastern Green snake
  1548. 1548Philothamnus hughesi Trape & Roux-Estève, 1990 · Hughes's Bush Snake
  1549. 1549Philothamnus irregularis (Leach, 1819) · Northern Green Bush Snake
  1550. 1550Philothamnus macrops (Boulenger, 1895) · Usambara Green Snake
  1551. 1551Philothamnus mayombensis Trape, Collet, Hughes & Mediannikov, 2021 · Mayombe Bush Snake
  1552. 1552Philothamnus natalensis (Smith, 1848) · Natal Green Snake
  1553. 1553Philothamnus nitidus (Günther, 1863) · Cameroons Wood Snake
  1554. 1554Philothamnus occidentalis Broadley, 1966 · Western Natal Green Snake
  1555. 1555Philothamnus ornatus Bocage, 1872 · Ornate Green Snake
  1556. 1556Philothamnus pobeguini (Chabanaud, 1916)
  1557. 1557Philothamnus punctatus Peters, 1867 · Spotted Green Snake
  1558. 1558Philothamnus ruandae Loveridge, 1951 · Ruanda Emerald Green Snake
  1559. 1559Philothamnus semivariegatus (Smith, 1840) · Spotted Green Snake
  1560. 1560Philothamnus thomensis Bocage, 1882 · Sao Tome Wood Snake
  1561. 1561Phimophis guerini (Duméril, Bibron & Duméril, 1854) · Argentine Pampas Snake
  1562. 1562Phimophis guianensis (Troschel, 1848) · Troschel's Pampas Snake
  1563. 1563Phimophis vittatus (Boulenger, 1896) · Banded Pampas Snake
  1564. 1564Phrynonax poecilonotus (Günther, 1858) · Puffing Snake
  1565. 1565Phrynonax sexcarinatus (Wagler, 1824) · Northeastern Puffing Snake
  1566. 1566Phrynonax shropshirei Barbour & Amaral, 1924 · Shropshire's Puffing Snake
  1567. 1567Phyllorhynchus browni Stejneger, 1890 · Saddled Leafnose Snake
  1568. 1568Phyllorhynchus decurtatus (Cope, 1868) · Spotted Leafnose Snake
  1569. 1569Pituophis catenifer (Blainville, 1835) · Bullsnake [sayi]
  1570. 1570Pituophis deppei (Duméril, 1853) · Mexican Bull Snake
  1571. 1571Pituophis insulanus Klauber, 1946 · Cedros Island Gopher Snake
  1572. 1572Pituophis lineaticollis (Cope, 1861) · Middle American Gopher Snake
  1573. 1573Pituophis melanoleucus (Daudin, 1803) · Eastern Pine Snake
  1574. 1574Pituophis ruthveni Stull, 1929 · Louisiana Pine Snake
  1575. 1575Pituophis vertebralis (Blainville, 1835) · Cape Gopher Snake
  1576. 1576Plagiopholis acuta Xu, MA & Cai, 2025 · Hunan Mountain Snake · newer than the 2023 backbone
  1577. 1577Plagiopholis blakewayi Boulenger, 1893 · Blakeway’s Mountain Snake
  1578. 1578Plagiopholis delacouri Angel, 1929
  1579. 1579Plagiopholis maculosa Qi, Song, Yang, Xu, Fang, SU & Wang, 2025 · Nanling mountain snake · newer than the 2023 backbone
  1580. 1580Plagiopholis nuchalis (Boulenger, 1893) · Assam Mountain Snake
  1581. 1581Plagiopholis pluvialis Cai, XU & Ma, 2025 · Western China Mountain Snake” · newer than the 2023 backbone
  1582. 1582Plagiopholis styani (Boulenger, 1899) · Chinese Mountain Snake
  1583. 1583Plagiopholis yangi Liu, Hou & Rao, 2026 · Yang's Mountain Snake · newer than the 2023 backbone
  1584. 1584Platyceps afarensis Schätti & Ineich, 2004 · Afar racer
  1585. 1585Platyceps bholanathi (Sharma, 1976) · Sharma's Racer
  1586. 1586Platyceps brevis (Boulenger, 1895) · Short Racer
  1587. 1587Platyceps collaris (Müller, 1878) · Collared Dwarf Racer
  1588. 1588Platyceps elegantissimus (Günther, 1878) · Elegant Racer
  1589. 1589Platyceps florulentus (Geoffroy Saint-Hilaire, 1827) · Flowered Racer
  1590. 1590Platyceps gallagheri Schätti, Tillack, Stutz & Kucharzewski, 2024 · Gallagher’s Cliff Racer · newer than the 2023 backbone
  1591. 1591Platyceps gracilis (Günther, 1862) · Slender Racer
  1592. 1592Platyceps hajarensis Schätti, Tillack, Stutz & Kucharzewski, 2024 · Hajar Cliff Racer · newer than the 2023 backbone
  1593. 1593Platyceps josephi Deepak, Narayanan, Mohapatra, Dutta, Melvinselvan, Khan, Mahlow & Tillack, 2021 · Joseph’s racer
  1594. 1594Platyceps karelini (Brandt, 1838) · Spotted Desert Racer
  1595. 1595Platyceps ladacensis (Anderson, 1871) · Ladakh Racer
  1596. 1596Platyceps largeni (Schätti, 2001) · Dahlak Racer
  1597. 1597Platyceps masirae Schätti, Tillack, Stutz & Kucharzewski, 2024 · Masirah Cliff Racer · newer than the 2023 backbone
  1598. 1598Platyceps messanai (Schätti & Lanza, 1989) · Schätti's Racer
  1599. 1599Platyceps najadum (Eichwald, 1831) · Slender Whip Snake
  1600. 1600Platyceps noeli Schätti, Tillack & Kucharzewski, 2014 · Brahui Racer
  1601. 1601Platyceps plinii (Merrem, 1820) · Banded Racer
  1602. 1602Platyceps rhodorachis (Jan, 1863) · Common Cliff Racer
  1603. 1603Platyceps rogersi (Anderson, 1893) · Rogers' Racer
  1604. 1604Platyceps saharicus Schätti & Mccarthy, 2004
  1605. 1605Platyceps scortecci (Lanza, 1963)
  1606. 1606Platyceps sinai (Schmidt & Marx, 1956) · Sinai Racer.
  1607. 1607Platyceps sindhensis Schätti, Tillack & Kucharzewski, 2014 · Sindh Racer
  1608. 1608Platyceps smithii (Boulenger, 1895) · Smith's Racer · newer than the 2023 backbone
  1609. 1609Platyceps somalicus (Boulenger, 1896) · Ogaden Racer
  1610. 1610Platyceps taylori (Parker, 1949) · Taylor’s Racer
  1611. 1611Platyceps thomasi (Parker, 1931) · Thomas' Semi-banded Racer
  1612. 1612Platyceps variabilis (Boulenger, 1905) · Variable Snake
  1613. 1613Platyceps ventromaculatus (Gray, 1834) · Glossy-bellied Racer
  1614. 1614Platyceps vittacaudatus (Blyth, 1854) · Darjeeling racer · newer than the 2023 backbone
  1615. 1615Plesiodipsas perijanensis (Alemán, 1953) · Aleman's Snail-eater
  1616. 1616Pliocercus elapoides Cope, 1860 · Variegated False Coral Snake.
  1617. 1617Pliocercus euryzonus Cope, 1862 · Cope's False Coral Snake
  1618. 1618Proahaetulla antiqua Mallik, Achyuthan, Ganesh, Pal, Vijayakumar & Shanker, 2019 · Keeled vine snake
  1619. 1619Pseudagkistrodon rudis (Boulenger, 1906) · False Habu
  1620. 1620Pseudalsophis biserialis (Günther, 1860) · Galapagos Racer
  1621. 1621Pseudalsophis darwini Zaher, Yánez-Muñoz, Rodrigues, Graboski, Machado, Altamirano-Benavides, Bonatto & Grazziotin, 2018
  1622. 1622Pseudalsophis dorsalis (Steindachner, 1876)
  1623. 1623Pseudalsophis eibli (Mertens, 1960) · Galapagos Racer · newer than the 2023 backbone
  1624. 1624Pseudalsophis elegans (Tschudi, 1845)
  1625. 1625Pseudalsophis hephaestus Zaher, Yánez-Muñoz, Rodrigues, Graboski, Machado, Altamirano-Benavides, Bonatto & Grazziotin, 2018
  1626. 1626Pseudalsophis hoodensis (Van Denburgh, 1912)
  1627. 1627Pseudalsophis occidentalis (Van Denburgh, 1912)
  1628. 1628Pseudalsophis slevini (Van Denburgh, 1912) · Pinzón Racer
  1629. 1629Pseudalsophis steindachneri (Van Denburgh, 1912) · Striped Galapagos Snake
  1630. 1630Pseudalsophis thomasi Zaher, Yánez-Muñoz, Rodrigues, Graboski, Machado, Altamirano-Benavides, Bonatto & Grazziotin, 2018
  1631. 1631Pseudelaphe flavirufa (Cope, 1867) · Yellow-red Rat Snake
  1632. 1632Pseudelaphe phaescens (Dowling, 1952) · Yucatan Rat Snake
  1633. 1633Pseudoboa coronata Schneider, 1801 · Crowned False Boa
  1634. 1634Pseudoboa haasi (Boettger, 1905) · Paraná False Boa
  1635. 1635Pseudoboa martinsi Zaher, Oliveira & Franco, 2008
  1636. 1636Pseudoboa neuwiedii (Duméril, Bibron & Duméril, 1854) · Neuwied's False Boa
  1637. 1637Pseudoboa nigra (Duméril, Bibron & Duméril, 1854) · Black False Boa
  1638. 1638Pseudoboa serrana Morato, Moura-Leite, Prudente & Bérnils, 1995
  1639. 1639Pseudoeryx plicatilis (Linnaeus, 1758) · South American Pond Snake
  1640. 1640Pseudoeryx relictualis Schargel, Rivas-Fuenmayor, Barros, Péfaur & Navarette, 2007 · South American Pond Snake
  1641. 1641Pseudoficimia frontalis (Cope, 1864) · False Ficimia
  1642. 1642Pseudoleptodeira latifasciata (Günther, 1894) · False Cat-eyed Snake
  1643. 1643Pseudorabdion albonuchalis (Günther, 1896) · White-collared Reed Snake
  1644. 1644Pseudorabdion ater (Taylor, 1922) · Zamboanga Burrowing Snake
  1645. 1645Pseudorabdion collaris (Mocquard, 1892) · Common Collared Snake
  1646. 1646Pseudorabdion eiselti Inger & Leviton, 1961
  1647. 1647Pseudorabdion longiceps (Cantor, 1847) · Cantor's Dwarf Reed Snake
  1648. 1648Pseudorabdion mcnamarae (Taylor, 1917) · McNamara's Burrowing Snake
  1649. 1649Pseudorabdion modiglianii Doria & Petri, 2010 · Modigliani’s dwarf reed snake
  1650. 1650Pseudorabdion montanum Leviton & Brown, 1959 · Mountain Burrowing Snake
  1651. 1651Pseudorabdion oxycephalum (Günther, 1858) · Günther's Dwarf Reed Snake
  1652. 1652Pseudorabdion sarasinorum (Müller, 1895) · Sarasin’s Reed Snake
  1653. 1653Pseudorabdion saravacense (Shelford, 1901)
  1654. 1654Pseudorabdion sirambense Doria & Petri, 2010 · Sirambé dwarf reed snake
  1655. 1655Pseudorabdion talonuran Brown, Leviton & Sison, 1999 · Panay Island Reed Snake
  1656. 1656Pseudorabdion taylori Leviton & Brown, 1959 · Taylor's Burrowing Snake
  1657. 1657Pseudorabdion torquatum (Duméril, Bibron & Duméril, 1854)
  1658. 1658Pseudoxenodon bambusicola Vogt, 1922 · Bamboo Snake
  1659. 1659Pseudoxenodon baramensis (Smith, 1921) · Baramen Bamboo Snake
  1660. 1660Pseudoxenodon inornatus (Boie, 1827) · Dull Bamboo Snake
  1661. 1661Pseudoxenodon jacobsonii Lidth de Jeude, 1922 · Jacobson’s False Cobra
  1662. 1662Pseudoxenodon karlschmidti Pope, 1928 · Chinese Bamboo Snake
  1663. 1663Pseudoxenodon macrops (Blyth, 1855) · Mock Cobra
  1664. 1664Pseudoxenodon stejnegeri Barbour, 1908 · Stejneger's Bamboo Snake
  1665. 1665Psomophis genimaculatus (Boettger, 1885) · Spirit Diminutive Snake
  1666. 1666Psomophis joberti (Sauvage, 1884)
  1667. 1667Psomophis obtusus (Cope, 1863) · Wide Ground Snake
  1668. 1668Ptyas bachmaensis Nguyen, Vo, Orlov, Phan, Le, Nguyen, Tran, Murphy & Che, 2024 · Bach Ma green rat snake · newer than the 2023 backbone
  1669. 1669Ptyas carinata (Günther, 1864) · Keeled Rat Snake
  1670. 1670Ptyas dhumnades (Cantor, 1842)
  1671. 1671Ptyas dipsas (Schlegel, 1837) · Sulawesi Black Racer
  1672. 1672Ptyas doriae (Boulenger, 1888) · Doria's Green Snake
  1673. 1673Ptyas fusca (Günther, 1858) · Brown Rat Snake
  1674. 1674Ptyas herminae (Boettger, 1895) · Sakishima Green Snake
  1675. 1675Ptyas korros (Schlegel, 1837) · Chinese Ratsnake
  1676. 1676Ptyas luzonensis (Günther, 1873) · Smooth-Scaled Mountain Rat Snake
  1677. 1677Ptyas major (Günther, 1858) · Chinese Green Snake
  1678. 1678Ptyas mucosa (Linnaeus, 1758) · Dhaman · full sheet
  1679. 1679Ptyas multicincta (Roux, 1907) · South China Green Snake
  1680. 1680Ptyas nigromarginata (Blyth, 1855) · Black-bordered Rat Snake
  1681. 1681Ptyas semicarinata (Hallowell, 1861) · Ryukyu Green Snake
  1682. 1682Ptychophis flavovirgatus Gomes, 1915 · Fanged Water Snake
  1683. 1683Rabdion forsteni Duméril, Bibron & Duméril, 1854 · Forsten’s Pointed Snake
  1684. 1684Rabdion grovesi Amarasinghe, Vogel, Mcguire, Sidik, Supriatna & Ineich, 2015 · Groves’ Pointed Snake
  1685. 1685Regina grahamii Baird & Girard, 1853 · Graham's Crawfish Snake
  1686. 1686Regina septemvittata (Say, 1825) · Queen Snake
  1687. 1687Rhabdophis adleri Zhao, 1997
  1688. 1688Rhabdophis akraios Doria, Petri, Bellati, Tiso & Pistarino, 2013 · Singalang Keelback
  1689. 1689Rhabdophis angeli (Bourret, 1934) · Angel’s Keelback
  1690. 1690Rhabdophis auriculatus (Günther, 1858) · White-lined Water Snake
  1691. 1691Rhabdophis barbouri (Taylor, 1922) · Barbour's Water Snake
  1692. 1692Rhabdophis bindi Das, Smith, Sidik, Sarker, Boruah, Patel, Murthy & Deepak, 2021 · Bindee keelback snake
  1693. 1693Rhabdophis callichroma (Bourret, 1934) · Bavi Keelback
  1694. 1694Rhabdophis callistus (Günther, 1873) · Boettger’s Keelback
  1695. 1695Rhabdophis ceylonensis (Günther, 1858) · Sri Lankan Keelback Blossom krait
  1696. 1696Rhabdophis chiwen Chen, Ding, Chen & Piao, 2020 · Chiwen Keelback
  1697. 1697Rhabdophis chrysargoides (Günther, 1858) · Günther's Keelback
  1698. 1698Rhabdophis chrysargos (Schlegel, 1837) · Specklebelly Keelback
  1699. 1699Rhabdophis confusus David & Vogel, 2021 · Hainan Island keelback snake
  1700. 1700Rhabdophis conspicillatus (Günther, 1872) · Red-bellied Keelback
  1701. 1701Rhabdophis flaviceps (Duméril, Bibron & Duméril, 1854) · Orangeneck Keelback
  1702. 1702Rhabdophis formosanus (Maki, 1931) · newer than the 2023 backbone
  1703. 1703Rhabdophis helleri (Schmidt, 1925) · Heller’s Red-necked Keelback
  1704. 1704Rhabdophis himalayanus (Günther, 1864) · Orange-collared Keelback
  1705. 1705Rhabdophis hmongorum Kane, Tapley, LA & Nguyen, 2023 · H’mong keelback’ · newer than the 2023 backbone
  1706. 1706Rhabdophis kaiyuanensis Liu, Lyu, Xie, Zeng & Guo, 2023 · Kaiyuan Keelback · newer than the 2023 backbone
  1707. 1707Rhabdophis lateralis (Berthold, 1859)
  1708. 1708Rhabdophis leonardi (Wall, 1923) · Leonard's Keelback
  1709. 1709Rhabdophis lineatus (Peters, 1861) · Zigzag-lined Water Snake
  1710. 1710Rhabdophis murudensis (Smith, 1925) · Muruden Keelback
  1711. 1711Rhabdophis nigrocinctus (Blyth, 1856) · Banded Keelback
  1712. 1712Rhabdophis nuchalis (Boulenger, 1891) · Hubei Keelback
  1713. 1713Rhabdophis pentasupralabialis Jiang & Zhao, 1983
  1714. 1714Rhabdophis plumbicolor (Cantor, 1839) · Green Keelback
  1715. 1715Rhabdophis rhodomelas (Boie, 1827) · Blueneck Keelback
  1716. 1716Rhabdophis shuichengensis Xu, Xiong, Zhang, Xiang, Chen & Zhang, 2025 · Shuicheng groove-necked Snake · newer than the 2023 backbone
  1717. 1717Rhabdophis siamensis (Mell, 1931) · Siamese red-necked keelback · newer than the 2023 backbone
  1718. 1718Rhabdophis subminiatus (Schlegel, 1837) · Red-necked Keelback
  1719. 1719Rhabdophis swinhonis (Günther, 1868) · Taiwan Keelback
  1720. 1720Rhabdophis tigrinus (Boie, 1826) · Tiger Keelback
  1721. 1721Rhabdops aquaticus Giri, Deepak, Captain & Gower, 2017 · Aquatic Rhabdops
  1722. 1722Rhabdops olivaceus (Beddome, 1863) · Olivaceous Smooth Snake
  1723. 1723Rhachidelus brazili Boulenger, 1908 · Brazilian Bird Snake
  1724. 1724Rhadinaea bogertorum Myers, 1974 · Oaxacan Graceful Brown Snake
  1725. 1725Rhadinaea calligaster (Cope, 1875) · Thick Graceful Brown Snake
  1726. 1726Rhadinaea cuneata Myers, 1974 · Veracruz Graceful Brown Snake
  1727. 1727Rhadinaea decorata (Günther, 1858) · Adorned Graceful Brown Snake
  1728. 1728Rhadinaea flavilata (Cope, 1871) · Pine Woods Littersnake
  1729. 1729Rhadinaea forbesi Smith, 1942 · Forbes' Graceful Brown Snake
  1730. 1730Rhadinaea fulvivittis Cope, 1875 · Ribbon Graceful Brown Snake
  1731. 1731Rhadinaea gaigeae Bailey, 1937 · Gaige's Pine Forest Snake
  1732. 1732Rhadinaea hesperia Bailey, 1940 · Western Graceful Brown Snake
  1733. 1733Rhadinaea laureata (Günther, 1868) · Crowned Graceful Brown Snake
  1734. 1734Rhadinaea macdougalli Smith & Langebartel, 1949 · MacDougall's Graceful Brown Snake
  1735. 1735Rhadinaea marcellae Taylor, 1949 · Marcella's Graceful Brown Snake
  1736. 1736Rhadinaea montana Smith, 1944 · Nuevo Leon Graceful Brown Snake
  1737. 1737Rhadinaea myersi Rossman, 1965 · Myers' Graceful Brown Snake
  1738. 1738Rhadinaea nuchalis García-Vázquez, Pavón-Vázquez, Blancas-Hernández, Blancas-Calva & Centenero-Alcalá, 2018
  1739. 1739Rhadinaea omiltemana (Günther, 1894) · Guerreran Pine Woods Snake
  1740. 1740Rhadinaea pulveriventris Boulenger, 1896 · Common Graceful Brown Snake
  1741. 1741Rhadinaea quinquelineata Cope, 1886 · Pueblan Graceful Brown Snake
  1742. 1742Rhadinaea sargenti Dunn & Bailey, 1939 · Sargent's Graceful Brown Snake
  1743. 1743Rhadinaea taeniata (Peters, 1863) · Pine-Oak Snake
  1744. 1744Rhadinaea vermiculaticeps (Cope, 1860) · Vermiculate Graceful Brown Snake
  1745. 1745Rhadinella anachoreta (Smith & Campbell, 1994)
  1746. 1746Rhadinella donaji Campbell, 2015 · Donaji’s Slender Leaflitter Snake
  1747. 1747Rhadinella dysmica Campillo, Dávila-Galavíz, Flores-Villela & Campbell, 2016 · Guerrero Slender Leaf Litter Snake
  1748. 1748Rhadinella godmani (Günther, 1865) · Godman's Graceful Brown Snake
  1749. 1749Rhadinella hannsteini (Stuart, 1949) · Hannstein's Spot-lipped Snake
  1750. 1750Rhadinella hempsteadae (Stuart & Bailey, 1941) · Hempstead's Pine Woods Snake
  1751. 1751Rhadinella kanalchutchan (Mendelson & Kizirian, 1995) · Kanalchutchan Graceful Brown Snake
  1752. 1752Rhadinella kinkelini (Boettger, 1898) · Kinkelin Graceful Brown Snake
  1753. 1753Rhadinella lachrymans (Cope, 1870) · Tearful Pine-Oak Snake
  1754. 1754Rhadinella lisyae Mccranie, 2017
  1755. 1755Rhadinella montecristi (Mertens, 1952) · Monte Cristi Graceful Brown Snake
  1756. 1756Rhadinella pegosalyta (Mccranie, 2006)
  1757. 1757Rhadinella pilonaorum (Stuart, 1954) · Stuart's Graceful Brown Snake
  1758. 1758Rhadinella posadasi (Slevin, 1936) · Posada's Graceful Brown Snake
  1759. 1759Rhadinella rogerromani (Köhler & Mccranie, 1999)
  1760. 1760Rhadinella schistosa Smith, 1941 · Brokencollar Graceful Brown Snake
  1761. 1761Rhadinella serperaster (Cope, 1871)
  1762. 1762Rhadinella stadelmani (Stuart & Bailey, 1941) · Stadelman's Pine Woods Snake
  1763. 1763Rhadinella tolpanorum (Holm & Cruz-Díaz, 1994)
  1764. 1764Rhadinella xerophila Ariano-Sánchez & Campbell, 2018
  1765. 1765Rhadinophanes monticola Myers & Campbell, 1981 · Graceful Mountain Snake
  1766. 1766Rhamnophis aethiopissa Günther, 1862 · Large-eyed Green Treesnake
  1767. 1767Rhamnophis batesii (Boulenger, 1908) · Spotted Dagger-tooth Tree Snake
  1768. 1768Rhinobothryum bovallii (Andersson, 1916)
  1769. 1769Rhinobothryum lentiginosum (Scopoli, 1785) · Amazon Banded Snake
  1770. 1770Rhinocheilus antonii Dugès, 1886
  1771. 1771Rhinocheilus etheridgei Grismer, 1990 · Etheridge’s Longnose Snake
  1772. 1772Rhinocheilus lecontei Baird & Girard, 1853 · Longnose Snake
  1773. 1773Rhynchocalamus arabicus Schmidt, 1933 · Aden Kukri Snake
  1774. 1774Rhynchocalamus dayanae Tamar, Šmíd, Göçmen, Meiri & Carranza, 2016 · Dayan’s Kukri Snake
  1775. 1775Rhynchocalamus hejazicus Licata, Pola, Šmíd, Ibrahim, Liz, Santos, Patkó, Abdulkareem, Gonçalves, Alshammari, Busais, Egan, Ramalho, Smithson & Brito, 2024 · Hejaz black–collared snake · newer than the 2023 backbone
  1776. 1776Rhynchocalamus levitoni (Torki, 2017)
  1777. 1777Rhynchocalamus melanocephalus (Jan, 1862) · Palestine Kukri Snake
  1778. 1778Rhynchocalamus satunini (Nikolsky, 1899) · Palestine Kukri Snake
  1779. 1779Rodriguesophis chui (Rodrigues, 1993)
  1780. 1780Rodriguesophis iglesiasi (Gomes, 1915) · Gomes' Pampas Snake
  1781. 1781Rodriguesophis scriptorcibatus (Rodrigues, 1993)
  1782. 1782Sahyadriophis beddomei (Günther, 1864) · Beddome’s Keelback · newer than the 2023 backbone
  1783. 1783Sahyadriophis uttaraghati Patel, Thackeray, Campbell & Mirza, 2023 · newer than the 2023 backbone
  1784. 1784Salvadora bairdi Jan, 1860 · Baird's Patchnose Snake
  1785. 1785Salvadora deserticola Schmidt, 1940 · Big Bend Patchnose Snake
  1786. 1786Salvadora grahamiae Baird & Girard, 1853 · Mountain Patchnose Snake
  1787. 1787Salvadora gymnorhachis Hernández-Jiménez, Flores-Villela & Campbell, 2019
  1788. 1788Salvadora hexalepis (Cope, 1867) · Western Patchnose Snake
  1789. 1789Salvadora intermedia Hartweg, 1940 · Oaxacan Patchnose Snake
  1790. 1790Salvadora lemniscata (Cope, 1895) · Pacific Patchnose Snake
  1791. 1791Salvadora lineata Schmidt, 1940 · Texas Patchnose Snake
  1792. 1792Salvadora mexicana (Duméril, Bibron & Duméril, 1854) · Mexican Patchnose Snake
  1793. 1793Saphenophis antioquiensis (Dunn, 1943) · Dunn's Saphenophis Snake
  1794. 1794Saphenophis atahuallpae (Steindachner, 1901) · Atahuallpa Saphenophis Snake
  1795. 1795Saphenophis boursieri (Jan, 1867)
  1796. 1796Saphenophis sneiderni Myers, 1973 · Saphenophis Snake
  1797. 1797Saphenophis tristriatus (Rendahl & Vestergren, 1940)
  1798. 1798Scaphiodontophis annulatus (Duméril, Bibron & Duméril, 1854) · Guatemala Neckband Snake
  1799. 1799Scaphiodontophis venustissimus (Günther, 1894) · Common Neckband Snake
  1800. 1800Scaphiophis albopunctatus Peters, 1870 · African Shovel-nosed Snake
  1801. 1801Scaphiophis raffreyi Bocourt, 1875 · Ethiopian hook-nosed snake
  1802. 1802Scolecophis atrocinctus (Schlegel, 1837) · Black-banded Snake
  1803. 1803Seminatrix pygaea (Cope, 1871) · Black Swamp Snake (or Swampsnake)
  1804. 1804Senticolis triaspis (Cope, 1866) · Green Rat Snake
  1805. 1805Sibon annulatus (Günther, 1872) · Ringed Snail Sucker
  1806. 1806Sibon anthracops (Cope, 1868) · Cope's Snail Sucker
  1807. 1807Sibon argus (Cope, 1875) · Argus Snail Sucker
  1808. 1808Sibon ayerbeorum Vera-Pérez, 2019 · Ayerbes’ snail-eater
  1809. 1809Sibon bevridgelyi Arteaga, Salazar-Valenzuela, Mebert, Peñafiel, Aguiar, Sánchez-Nivicela, Pyron, Colston, Cisneros-Heredia, Yánez-Muñoz, Venegas, Guayasamin & Torres-Carvajal, 2018 · Bev Ridgely’s Snail-Eater
  1810. 1810Sibon canopy Arteaga & Batista, 2023
  1811. 1811Sibon carri (Shreve, 1951) · Carr's Snail Sucker
  1812. 1812Sibon dimidiatus (Günther, 1872) · Slender Snail Sucker
  1813. 1813Sibon dunni Peters, 1957 · Dunn's Snail Sucker
  1814. 1814Sibon hartwegi (Peters, 1960) · Hartweg’s Snail-eating Snake · newer than the 2023 backbone
  1815. 1815Sibon irmelindicaprioae Arteaga & Batista, 2023
  1816. 1816Sibon lamari Solórzano, 2001
  1817. 1817Sibon leucomelas (Boulenger, 1896) · Cloudy Snail-eating Snake · newer than the 2023 backbone
  1818. 1818Sibon linearis Pérez-Higareda, López-Luna & Smith, 2002 · Lined Snail Sucker
  1819. 1819Sibon longifrenis (Stejneger, 1909) · Lichen-colored Snail Sucker
  1820. 1820Sibon manzanaresi Mccranie, 2007
  1821. 1821Sibon marleyae Arteaga & Batista, 2023
  1822. 1822Sibon merendonensis Rovito, Papenfuss & Vásquez-Almazán, 2012
  1823. 1823Sibon miskitus Mccranie, 2006
  1824. 1824Sibon nebulatus (Linnaeus, 1758) · Cloudy Snail-eating Snake
  1825. 1825Sibon nigralbus Arteaga, Fouquet, DE Sousa & Avila, 2025 · black and white snail-eating snake · newer than the 2023 backbone
  1826. 1826Sibon noalamina Lotzkat, Hertz & Köhler, 2012
  1827. 1827Sibon perissostichon Köhler, Lotzkat & Hertz, 2010
  1828. 1828Sibon vieirai Arteaga & Batista, 2023
  1829. 1829Sibynophis bistrigatus (Günther, 1868) · Günther's Many-tooth Snake
  1830. 1830Sibynophis bivittatus (Boulenger, 1894) · White-striped Snake
  1831. 1831Sibynophis chinensis (Günther, 1889) · Chinese Many-tooth Snake
  1832. 1832Sibynophis collaris (Gray, 1853) · Common Many-tooth Snake
  1833. 1833Sibynophis geminatus (Boie, 1826) · Boie's Many-tooth Snake
  1834. 1834Sibynophis grahami (Boulenger, 1904) · newer than the 2023 backbone
  1835. 1835Sibynophis melanocephalus (Gray, 1834) · Malayan Many-tooth Snake
  1836. 1836Sibynophis sagittarius (Cantor, 1839) · Cantor’s black-headed snake
  1837. 1837Sibynophis subpunctatus (Duméril, Bibron & Duméril, 1854) · (Duméril’s) Black-headed snake
  1838. 1838Sibynophis triangularis Taylor & Elbel, 1958 · Triangulate Collared Snake
  1839. 1839Simophis rhinostoma (Schlegel, 1837) · Sao Paulo False Coral Snake
  1840. 1840Siphlophis ayauma Sheehy Iii, Yánez-Muñoz, Valencia & Smith, 2014 · Devil’s Head Spotted Night Snake
  1841. 1841Siphlophis cervinus (Laurenti, 1768) · Panamanian Spotted Nightsnake
  1842. 1842Siphlophis compressus (Daudin, 1803) · Tropical Flat Snake
  1843. 1843Siphlophis leucocephalus (Günther, 1863) · Common Spotted Night Snake
  1844. 1844Siphlophis longicaudatus (Andersson, 1901) · Brazilian Spotted Night Snake
  1845. 1845Siphlophis pulcher (Raddi, 1820) · Guanabara Spotted Night Snake
  1846. 1846Siphlophis worontzowi (Prado, 1940) · Worontzow's Spotted Night Snake
  1847. 1847Smithophis arunachalensis Das, Deepak, Captain, Wade & Gower, 2020 · Black and Yellow Smithophis
  1848. 1848Smithophis atemporalis Giri, Gower, Das, Lalremsanga, Lalronunga, Captain & Deepak, 2019 · Narrow-headed smithophis
  1849. 1849Smithophis bicolor (Blyth, 1855) · Brown Trapezoid Snake
  1850. 1850Smithophis leptofasciatus Muansanga, Purkayastha, Hruaia, Vabeiryureilai, Biakzuala, Decemson, Lalremsanga & Bohra, 2025 · narrow-banded rain snake · newer than the 2023 backbone
  1851. 1851Smithophis linearis Vogel, Chen, Deepak, Gower, Shi, Ding & Hou, 2020 · Jingpo mountain stream snake
  1852. 1852Smithophis mizoramensis Mirza, Bhardwaj, Lalmuanawma, Choure, Lalremsanga, Vabeiryureilai, Captain, Zagade & Patel, 2024 · newer than the 2023 backbone
  1853. 1853Sonora aemula (Cope, 1879) · Filetail Ground Snake
  1854. 1854Sonora annulata (Baird, 1859) · Colorado Desert Shovelnose Snake
  1855. 1855Sonora cincta (Cope, 1861) · Banded Sand Snake
  1856. 1856Sonora episcopa (Kennicott, 1859) · miter snake
  1857. 1857Sonora fasciata (Cope, 1892) · Variable Sand Snake
  1858. 1858Sonora michoacanensis (Dugès, 1885) · Michoacán Ground Snake
  1859. 1859Sonora mosaueri Stickel, 1938 · Mosauer’s Ground Snake
  1860. 1860Sonora mutabilis Stickel, 1943 · Michoacán Ground Snake
  1861. 1861Sonora occipitalis (Hallowell, 1854) · Western Shovelnose Snake
  1862. 1862Sonora palarostris Klauber, 1937 · Sonoran Shovelnose Snake
  1863. 1863Sonora punctatissima (Van Denburgh & Slevin, 1921) · newer than the 2023 backbone
  1864. 1864Sonora savagei (Cliff, 1954) · Savage's Sand Snake
  1865. 1865Sonora semiannulata Baird & Girard, 1853 · Ground Snake
  1866. 1866Sonora straminea (Cope, 1860)
  1867. 1867Sonora taylori (Boulenger, 1894) · Taylor’s Ground Snake
  1868. 1868Sordellina punctata (Peters, 1880) · Dotted Brown Snake
  1869. 1869Spalerosophis arenarius (Boulenger, 1890) · Red-spotted Diadem Snake
  1870. 1870Spalerosophis atriceps (Fischer, 1885) · Royal Snake
  1871. 1871Spalerosophis diadema (Schlegel, 1837) · Diadem Snake
  1872. 1872Spalerosophis dolichospilus (Werner, 1923) · Werner's Diadem Snake
  1873. 1873Spalerosophis josephscorteccii Lanza, 1964 · Scortecci's Diadem Snake
  1874. 1874Spalerosophis microlepis Jan, 1865 · Zebra Snake
  1875. 1875Spilotes megalolepis (Günther, 1865) · Black Rat Snake
  1876. 1876Spilotes pullatus (Linnaeus, 1758) · Yellow Rat Snake
  1877. 1877Spilotes sulphureus (Wagler, 1824) · Amazon Puffing Snake
  1878. 1878Stegonotus admiraltiensis Ruane, Richards, Mcvay, Tjaturadi, Krey & Austin, 2017 · Admiralty Archipelago groundsnake
  1879. 1879Stegonotus aplini O'Shea & Richards, 2021
  1880. 1880Stegonotus aruensis (Doria, 1875) · Aru Islands groundsnake
  1881. 1881Stegonotus australis (Günther, 1872) · Australian groundsnake
  1882. 1882Stegonotus ayamaru Kaiser, O'Shea & Kaiser, 2019 · Ayamaru Groundsnake
  1883. 1883Stegonotus batjanensis (Günther, 1865) · Batjan Frog-eating Snake
  1884. 1884Stegonotus borneensis Inger, 1967 · Borneo Frog-eating Snake
  1885. 1885Stegonotus caligocephalus Kaiser, Lapin, O'Shea & Kaiser, 2020 · Dark-headed Sabah Groundsnake
  1886. 1886Stegonotus cucullatus (Duméril, Bibron & Duméril, 1854) · Bird's Head Peninsula groundsnake
  1887. 1887Stegonotus derooijae Ruane, Richards, Mcvay, Tjaturadi, Krey & Austin, 2017 · De Rooij's groundsnake
  1888. 1888Stegonotus diehli Lindholm, 1905 · Diehl’s little ground snake
  1889. 1889Stegonotus dorsalis Werner, 1924
  1890. 1890Stegonotus florensis (de Rooij, 1917) · Flores Ground Snake
  1891. 1891Stegonotus guentheri Boulenger, 1895 · D'Entrecasteaux Archipelago groundsnake
  1892. 1892Stegonotus heterurus Boulenger, 1893 · Bismarck (Archipelago) ground snake
  1893. 1893Stegonotus iridis Ruane, Richards, Mcvay, Tjaturadi, Krey & Austin, 2017 · Iridescent groundsnake
  1894. 1894Stegonotus keyensis (Doria, 1874) · Kei Islands groundsnake
  1895. 1895Stegonotus lividus (Duméril, Bibron & Duméril, 1854) · Semau Island groundsnake
  1896. 1896Stegonotus melanolabiatus Ruane, Richards, Mcvay, Tjaturadi, Krey & Austin, 2017 · Black-lipped groundsnake
  1897. 1897Stegonotus modestus (Schlegel, 1837) · Moluccan groundsnake
  1898. 1898Stegonotus muelleri Duméril, Bibron & Duméril, 1854 · Philippine groundsnake
  1899. 1899Stegonotus nancuro Kaiser, Kaiser, Mecke & O'Shea, 2021 · Timor Ground Snake
  1900. 1900Stegonotus parvus (Meyer, 1874) · common ground snake
  1901. 1901Stegonotus poechi Werner, 1924 · Pöch's groundsnake
  1902. 1902Stegonotus reticulatus Boulenger, 1895 · Reticulate groundsnake
  1903. 1903Stegonotus sutteri Forcart, 1953 · Sumba (island) Ground Snake
  1904. 1904Stenorrhina degenhardtii (Berthold, 1846) · Degenhardt's Scorpion-eating Snake
  1905. 1905Stenorrhina freminvillei (Duméril, Bibron & Duméril, 1854) · Slaty Grey Snake
  1906. 1906Stichophanes ningshaanensis (Yuan, 1983) · Ningshaan Kukri Snake
  1907. 1907Storeria dekayi (Holbrook, 1839) · (Dekay’s) Brown Snake
  1908. 1908Storeria occipitomaculata (Storer, 1839) · Red-bellied Snake
  1909. 1909Storeria storerioides (Cope, 1866) · Mexican Brown Snake
  1910. 1910Storeria victa Hay, 1892 · Florida Brown Snake
  1911. 1911Symphimus leucostomus Cope, 1869 · Mexican White-lipped Snake
  1912. 1912Symphimus mayae (Gaige, 1936) · Yucatán White-lipped Snake
  1913. 1913Sympholis lippiens Cope, 1862 · Mexican Short-tail Snake
  1914. 1914Synophis bicolor Peracca, 1896 · Bicolored Shadow Snake
  1915. 1915Synophis bogerti Torres-Carvajal, Echevarría, Venegas, Chávez & Camper, 2015 · Bogert's Shadow Snake
  1916. 1916Synophis calamitus Hillis, 1990 · Calamitous Shadow Snake
  1917. 1917Synophis insulomontanus Torres-Carvajal, Echevarría, Venegas, Chávez & Camper, 2015 · Mountain Shadow Snake
  1918. 1918Synophis lasallei (Nicéforo-Maria, 1950) · La Salle's Shadow Snake
  1919. 1919Synophis niceforomariae Pyron, Arteaga, Echevarría & Torres-Carvajal, 2016 · Nicéforo María's Shadow Snake
  1920. 1920Synophis plectovertebralis Sheil & Grant, 2001 · Braided Shadow Snake
  1921. 1921Synophis zaheri Pyron, Guayasamin, Peñafiel, Bustamante & Arteaga, 2015 · Zaher's Shadow Snake
  1922. 1922Synophis zamora Torres-Carvajal, Echevarría, Venegas, Chávez & Camper, 2015 · Zamoran Shadow Snake
  1923. 1923Tachymenis ocellata Duméril, Bibron & Duméril, 1854 · Ocellated Pampas Snake · newer than the 2023 backbone
  1924. 1924Tachymenis peruviana Wiegmann, 1834 · Peru Slender Snake
  1925. 1925Tachymenis tarmensis Walker, 1945 · Slender Snake
  1926. 1926Tachymenis trigonatus (Leybold, 1873) · False Tomodon Snake · newer than the 2023 backbone
  1927. 1927Tachymenoides affinis Boulenger, 1896 · Boulenger's Slender Snake · newer than the 2023 backbone
  1928. 1928Tachymenoides goodallae Lehr, Lundberg, Cusi, Sites, Torres & Aguilar-Puntriano, 2025 · Goodall’s Slender Snake · newer than the 2023 backbone
  1929. 1929Tachymenoides harrisonfordi Lehr, Cusi, Fernandez, Vera & Catenazzi, 2023 · Harrison Ford’s Slender Snake · newer than the 2023 backbone
  1930. 1930Taeniophallus brevirostris (Peters, 1863) · Short-Nosed Groundsnake
  1931. 1931Taeniophallus nebularis Schargel, Rivas & Myers, 2005
  1932. 1932Taeniophallus nicagus (Cope, 1868)
  1933. 1933Tantalophis discolor (Günther, 1860) · Oaxacan Cat-eyed Snake
  1934. 1934Tantilla albiceps Barbour, 1925 · Barbour's Centipede Snake
  1935. 1935Tantilla alticola (Boulenger, 1903) · Boulenger's Centipede Snake
  1936. 1936Tantilla andinista Wilson & Mena, 1980 · Andes Centipede Snake
  1937. 1937Tantilla armillata Cope, 1875
  1938. 1938Tantilla atriceps (Günther, 1895) · Mexican Blackhead Snake
  1939. 1939Tantilla bairdi Stuart, 1941 · Baird's Black-headed Snake
  1940. 1940Tantilla berguidoi Batista, Mebert, Lotzkat & Wilson, 2016 · Chucantí Centipede Snake
  1941. 1941Tantilla bocourti (Günther, 1895) · Bocourt's Black-headed Snake
  1942. 1942Tantilla boipiranga Sawaya & Sazima, 2003
  1943. 1943Tantilla brevicauda Mertens, 1952 · Mertens' Centipede Snake
  1944. 1944Tantilla briggsi Savitzky & Smith, 1971 · Briggs' Centipede Snake
  1945. 1945Tantilla calamarina Cope, 1866 · Pacific Coast Centipede Snake
  1946. 1946Tantilla capistrata Cope, 1875 · Capistrata Centipede Snake
  1947. 1947Tantilla carolina Palacios-Aguilar, Fucsko, Jiménez-Arcos, Wilson & Mata-Silva, 2022 · Carolina’s Little Snake · newer than the 2023 backbone
  1948. 1948Tantilla cascadae Wilson & Meyer, 1981 · Michoacán Centipede Snake
  1949. 1949Tantilla ceboruca Canseco-Márquez, Smith, Ponce-Campos, Flores-Villela & Campbell, 2007 · Ceboruco Centipede Snake
  1950. 1950Tantilla coronadoi Hartweg, 1944 · Guerreran Centipede Snake
  1951. 1951Tantilla coronata Baird & Girard, 1853 · Southeastern Crowned Snake
  1952. 1952Tantilla cucullata Minton, 1956 · Big Bend Blackhead Snake
  1953. 1953Tantilla cuniculator Smith, 1939 · Peten Centipede Snake
  1954. 1954Tantilla deppei (Bocourt, 1883) · Deppe's Centipede Snake
  1955. 1955Tantilla excelsa Mccranie & Smith, 2017
  1956. 1956Tantilla flavilineata Smith & Burger, 1950 · Yellow-lined Centipede Snake
  1957. 1957Tantilla gottei Mccranie & Smith, 2017
  1958. 1958Tantilla gracilis Baird & Girard, 1853 · Flathead Snake
  1959. 1959Tantilla hendersoni Stafford, 2004 · Peten Centipede Snake
  1960. 1960Tantilla hobartsmithi Taylor, 1937 · Southwestern Blackhead Snake
  1961. 1961Tantilla impensa Campbell, 1998 · Greater Centipede Snake
  1962. 1962Tantilla insulamontana Wilson & Mena, 1980 · Mountain Centipede Snake
  1963. 1963Tantilla jani (Günther, 1895) · Jan's Centipede Snake
  1964. 1964Tantilla johnsoni Wilson, Vaughn & Dixon, 1999 · Johnson’s Centipede Snake
  1965. 1965Tantilla lempira Wilson & Mena, 1980 · Mena's Centipede Snake
  1966. 1966Tantilla lydia Antúnez-Fonseca, Castro, España, Townsend & Wilson, 2020
  1967. 1967Tantilla melanocephala (Linnaeus, 1758)
  1968. 1968Tantilla miyatai Wilson & Knight, 1987
  1969. 1969Tantilla moesta (Günther, 1863) · Blackbelly Centipede Snake
  1970. 1970Tantilla nigra (Boulenger, 1914) · Black Centipede Snake
  1971. 1971Tantilla nigriceps Kennicott, 1860 · Plains Blackhead Snake
  1972. 1972Tantilla oaxacae Wilson & Meyer, 1971 · Oaxacan Centipede Snake
  1973. 1973Tantilla olympia Townsend, Wilson, Medina-Flores & Herrera-B, 2013
  1974. 1974Tantilla oolitica Telford, 1966 · Rim Rock Crowned Snake
  1975. 1975Tantilla palamala Esqueda, Rojas-Runjaic, Correa, Ortiz, Guerrero, Jiménez, Bazó, Moreno-Pérez, Aguilar & Urra, 2025 · newer than the 2023 backbone
  1976. 1976Tantilla petersi Wilson, 1979 · Peters' Black-headed Snake
  1977. 1977Tantilla planiceps (Blainville, 1835) · Western Blackhead Snake
  1978. 1978Tantilla psittaca Mccranie, 2011
  1979. 1979Tantilla relicta Telford, 1966 · Florida Crowned Snake
  1980. 1980Tantilla reticulata (Cope, 1860) · Litter Snake
  1981. 1981Tantilla robusta Canseco-Márquez, Mendelson & Gutiérrez-Mayén, 2002 · Pueblan Centipede Snake
  1982. 1982Tantilla rubra Cope, 1875 · Red Black-headed Snake
  1983. 1983Tantilla ruficeps (Cope, 1894)
  1984. 1984Tantilla schistosa (Bocourt, 1883) · Red Earth Centipede Snake
  1985. 1985Tantilla selmae Azevedo, Franco, Menezes, Saraiva-Kunz & Grazziotin, 2024 · newer than the 2023 backbone
  1986. 1986Tantilla semicincta (Duméril, Bibron & Duméril, 1854) · Ringed Centipede Snake
  1987. 1987Tantilla sertula Wilson & Campbell, 2000 · Garland Centipede Snake
  1988. 1988Tantilla shawi Taylor, 1949 · Potosí Centipede Snake
  1989. 1989Tantilla slavensi Pérez-Higareda, Smith & Smith, 1985 · Slavens' Centipede Snake
  1990. 1990Tantilla stenigrammi Mccranie & Smith, 2017
  1991. 1991Tantilla striata Dunn, 1928 · Striped Centipede Snake
  1992. 1992Tantilla supracincta (Peters, 1863) · Banded Centipede Snake
  1993. 1993Tantilla taeniata Bocourt, 1883 · Central American Centipede Snake
  1994. 1994Tantilla tayrae Wilson, 1983 · Volcan Tacana Centipede Snake
  1995. 1995Tantilla tecta Campbell & Smith, 1997 · White-Striped Centipede Snake
  1996. 1996Tantilla tjiasmantoi Koch & Venegas, 2016
  1997. 1997Tantilla trilineata (Peters, 1880) · Three-lined Centipede Snake
  1998. 1998Tantilla triseriata Smith & Smith, 1951 · Three-lined Centipede Snake
  1999. 1999Tantilla tritaeniata Smith & Williams, 1966 · Three-banded Centipede Snake
  2000. 2000Tantilla vermiformis (Hallowell, 1861) · Hallowell's Centipede Snake
  2001. 2001Tantilla vulcani Campbell, 1998 · Vulcan Centipede Snake
  2002. 2002Tantilla wilcoxi Stejneger, 1902 · Chihuahuan Blackhead Snake
  2003. 2003Tantilla yaquia Smith, 1942 · Yaquia Blackhead Snake
  2004. 2004Tantillita brevissima (Taylor, 1937) · Speckled Dwarf Short-tail Snake
  2005. 2005Tantillita canula (Cope, 1875) · Yucatecan Dwarf Short-tail Snake
  2006. 2006Tantillita lintoni (Smith, 1940) · Brown Dwarf Short-tailed Snake
  2007. 2007Telescopus beetzi (Barbour, 1922) · Namib Tiger Snake
  2008. 2008Telescopus crocheti Ribeiro-Júnior, Koch, Flecks, Campbell, Calvo, Spawls, Vidal & Meiri, 2025 · newer than the 2023 backbone
  2009. 2009Telescopus dhara (Forskål, 1775) · Large-Eyed Cat Snake
  2010. 2010Telescopus fallax Fleischmann, 1831 · Mediterranean Cat Snake
  2011. 2011Telescopus finkeldeyi Haacke, 2013 · Damara Tiger Snake
  2012. 2012Telescopus forskali Ribeiro-Júnior, Koch, Flecks, Campbell, Calvo, Spawls, Vidal & Meiri, 2025 · newer than the 2023 backbone
  2013. 2013Telescopus geniezi Ribeiro-Júnior, Koch, Flecks, Campbell, Calvo, Spawls, Vidal & Meiri, 2025 · newer than the 2023 backbone
  2014. 2014Telescopus gezirae Broadley, 1994 · Blue Nile Cat Snake
  2015. 2015Telescopus guentheri (Anderson, 1895) · newer than the 2023 backbone
  2016. 2016Telescopus hoogstraali Schmidt & Marx, 1956
  2017. 2017Telescopus insularis Ribeiro-Júnior, Koch, Flecks, Campbell, Calvo, Spawls, Vidal & Meiri, 2025 · newer than the 2023 backbone
  2018. 2018Telescopus mazuchi Ribeiro-Júnior, Koch, Flecks, Campbell, Calvo, Spawls, Vidal & Meiri, 2025 · newer than the 2023 backbone
  2019. 2019Telescopus nigriceps (Ahl, 1924) · Black headed snake
  2020. 2020Telescopus obtusus (Reuss, 1834) · Egyptian Catsnake
  2021. 2021Telescopus pulcher (Scortecci, 1935) · Beautiful Cat Snake
  2022. 2022Telescopus reussi Ribeiro-Júnior, Koch, Flecks, Campbell, Calvo, Spawls, Vidal & Meiri, 2025 · newer than the 2023 backbone
  2023. 2023Telescopus rhinopoma (Blanford, 1874) · Indian Desert Tiger Snake
  2024. 2024Telescopus salvadori Ribeiro-Júnior, Koch, Flecks, Campbell, Calvo, Spawls, Vidal & Meiri, 2025 · newer than the 2023 backbone
  2025. 2025Telescopus semiannulatus Smith, 1849 · Western Tiger Snake
  2026. 2026Telescopus smidi Ribeiro-Júnior, Koch, Flecks, Campbell, Calvo, Spawls, Vidal & Meiri, 2025 · newer than the 2023 backbone
  2027. 2027Telescopus somalicus (Parker, 1949) · Somali Cat Snake · newer than the 2023 backbone
  2028. 2028Telescopus tessellatus (Wall, 1908) · Soosan Tiger Snake
  2029. 2029Telescopus tripolitanus (Werner, 1909)
  2030. 2030Telescopus urii Ribeiro-Júnior, Koch, Flecks, Campbell, Calvo, Spawls, Vidal & Meiri, 2025 · newer than the 2023 backbone
  2031. 2031Telescopus variegatus (Reinhardt, 1843) · Variable Cat Snake
  2032. 2032Telescopus wangariae Ribeiro-Júnior, Koch, Flecks, Campbell, Calvo, Spawls, Vidal & Meiri, 2025 · newer than the 2023 backbone
  2033. 2033Tetralepis fruhstorferi Boettger, 1892 · Bluebelly Java Snake
  2034. 2034Thamnodynastes longicaudus Franco, Ferreira, Marques & Sazima, 2003
  2035. 2035Thamnodynastes pallidus (Linnaeus, 1758) · Amazon Coastal House Snake (pallidus)
  2036. 2036Thamnodynastes sertanejo Bailey, Thomas & da Silva, 2005
  2037. 2037Thamnodynastes silvai Trevine, Caicedo-Portilla, Hoogmoed, Thomas, Franco, Montingelli, Osorno-Muñoz & Zaher, 2021
  2038. 2038Thamnophis ahumadai Grünwald, Mendoza-Portilla, Grünwald, Montaño-Ruvalcaba, Franz-Chávez, García-Vázquez & Reyes-Velasco, 2024 · Ahumada’s Alpine Garter Snake. · newer than the 2023 backbone
  2039. 2039Thamnophis atratus Kennicott, 1860 · Pacific Coast Aquatic Garter Snake
  2040. 2040Thamnophis bogerti Rossman & Burbrink, 2005 · Conant's Gartersnake
  2041. 2041Thamnophis brachystoma (Cope, 1892) · Shorthead Garter Snake
  2042. 2042Thamnophis butleri (Cope, 1889) · Butler's Garter Snake
  2043. 2043Thamnophis chrysocephalus (Cope, 1885) · Goldenhead Garter Snake
  2044. 2044Thamnophis copei Dugès, 1879 · Cope's Mountain Meadow Snake · newer than the 2023 backbone
  2045. 2045Thamnophis couchii (Kennicott, 1859) · Sierra Garter Snake
  2046. 2046Thamnophis cyrtopsis (Kennicott, 1860)
  2047. 2047Thamnophis elegans (Baird & Girard, 1853) · Western Terrestrial Garter Snake
  2048. 2048Thamnophis eques (Reuss, 1834) · Mexican Garter Snake
  2049. 2049Thamnophis errans Smith, 1942 · Mexican Wandering Garter Snake
  2050. 2050Thamnophis exsul Rossman, 1969 · Montane Garter Snake
  2051. 2051Thamnophis foxi Rossman & Blaney, 1968 · Fox's Mountain Meadow Snake · newer than the 2023 backbone
  2052. 2052Thamnophis fulvus (Bocourt, 1893) · Highland Garter Snake
  2053. 2053Thamnophis gigas Fitch, 1940 · Giant Garter Snake
  2054. 2054Thamnophis godmani (Günther, 1894) · Godman's Garter Snake
  2055. 2055Thamnophis hammondii (Kennicott, 1860) · Two-striped Garter Snake
  2056. 2056Thamnophis marcianus (Baird & Girard, 1853) · Checkered Garter Snake
  2057. 2057Thamnophis melanogaster (Peters, 1864) · Blackbelly Garter Snake
  2058. 2058Thamnophis mendax Walker, 1955 · Tamaulipan Montane Garter Snake
  2059. 2059Thamnophis nigronuchalis Thompson, 1957 · Southern Durango Spotted Garter Snake
  2060. 2060Thamnophis ordinoides (Baird & Girard, 1852) · Puget Sound Garter snake
  2061. 2061Thamnophis postremus Smith, 1942 · Tepalcatepec Valley Gartersnake
  2062. 2062Thamnophis proximus (Say, 1823) · Western Ribbonsnake
  2063. 2063Thamnophis pulchrilatus (Cope, 1885) · Yellow-throated gartersnake
  2064. 2064Thamnophis radix (Baird & Girard, 1853) · Plains Garter Snake
  2065. 2065Thamnophis rossmani Conant, 2000 · Rossman's Garter Snake
  2066. 2066Thamnophis rufipunctatus (Cope, 1875) · Narrowhead Watersnake
  2067. 2067Thamnophis saurita (Linnaeus, 1766) · Eastern Ribbonsnake
  2068. 2068Thamnophis scalaris Cope, 1861 · Longtail Alpine Garter Snake
  2069. 2069Thamnophis scaliger (Jan, 1863) · Short-tail Alpine Garter Snake
  2070. 2070Thamnophis sirtalis (Linnaeus, 1758) · Common Garter Snake
  2071. 2071Thamnophis sumichrasti (Cope, 1866) · Sumichrast's Garter Snake
  2072. 2072Thamnophis unilabialis Tanner, 1985 · Madrean Narrowheaded Garter Snake
  2073. 2073Thamnophis validus (Kennicott, 1860) · West Coast Garter Snake
  2074. 2074Thelotornis capensis Smith, 1849 · Savanna Vine Snake
  2075. 2075Thelotornis kirtlandii (Hallowell, 1844) · Forest Vine Snake
  2076. 2076Thelotornis mossambicanus (Bocage, 1895) · Eastern Twig Or Vine Snake
  2077. 2077Thelotornis oatesi Günther, 1881 · Oates' Vine Snake · newer than the 2023 backbone
  2078. 2078Thelotornis uluguruensis Broadley & Wallach, 2002 · Dagger-tooth Vine Snake · newer than the 2023 backbone
  2079. 2079Thelotornis usambaricus Broadley, 2001 · Usambara vine snake
  2080. 2080Thermophis baileyi (Wall, 1907) · Xizang Hot-spring Keel-back
  2081. 2081Thermophis shangrila Peng, Lu, Huang, Guo & Zhang, 2014 · Shangri-La hot-spring snake
  2082. 2082Thermophis zhaoermii Guo, Liu, Feng & He, 2008 · Sichuan Hot-spring Keel-back
  2083. 2083Thrasops flavigularis (Hallowell, 1852) · Yellow-throated Bold-eyed Tree snake
  2084. 2084Thrasops jacksonii Günther, 1895 · Black Tree Snake
  2085. 2085Thrasops occidentalis Parker, 1940 · (Western) Black Tree Snake
  2086. 2086Thrasops schmidti Loveridge, 1936 · Schmidt’s bold-eyed Tree Snake
  2087. 2087Tomodon dorsatus Duméril, Bibron & Duméril, 1854 · Pampas Snake
  2088. 2088Toxicodryas adamantea Greenbaum, Allen, Vaughan, Pauwels, Wallach, Kusamba, Muninga, Aristote, Mali, Badjedjea, Penner, Rödel, Rivera, Sterkhova, Johnson, Tapondjou & Brown, 2021
  2089. 2089Toxicodryas blandingii (Hallowell, 1844) · Blandings Tree Snake
  2090. 2090Toxicodryas pulverulenta (Fischer, 1856) · Fischer's Cat Snake
  2091. 2091Toxicodryas vexator Greenbaum, Allen, Vaughan, Pauwels, Wallach, Kusamba, Muninga, Aristote, Mali, Badjedjea, Penner, Rödel, Rivera, Sterkhova, Johnson, Tapondjou & Brown, 2021
  2092. 2092Trachischium apteii Bhosale, Gowande & Mirza, 2019 · Apte’s slender snake
  2093. 2093Trachischium fuscum (Blyth, 1855) · Blackbelly Worm-eating Snake
  2094. 2094Trachischium guentheri Boulenger, 1890 · Günther’s Worm-eating Snake
  2095. 2095Trachischium hmuifang (Vogel, Lalremsanga & Vanlalhrima, 2017) · Mizoram Ground Snake · newer than the 2023 backbone
  2096. 2096Trachischium laeve Peracca, 1904 · Olive Oriental Slender Snake
  2097. 2097Trachischium monticola (Cantor, 1839) · Mountain Worm-eating Snake
  2098. 2098Trachischium nyalamense Guo, Liu, Jin, Shu, WU & Che, 2024 · newer than the 2023 backbone
  2099. 2099Trachischium reticulata (Blyth, 1855) · Blyth's Reticulated Snake · newer than the 2023 backbone
  2100. 2100Trachischium sushantai Raha, Das, Bag, Debnath & Pramanick, 2018 · Sushanta’s Worm-eating Snake
  2101. 2101Trachischium tenuiceps (Blyth, 1855) · Yellowbelly Worm-eating Snake
  2102. 2102Tretanorhinus mocquardi Bocourt, 1891 · Mocquard's Swamp Snake
  2103. 2103Tretanorhinus nigroluteus Cope, 1861 · Orange-bellied Swampsnake
  2104. 2104Tretanorhinus taeniatus Boulenger, 1903 · Striped Swamp Snake
  2105. 2105Tretanorhinus variabilis Duméril, Bibron & Duméril, 1854 · Caribbean Water Snake
  2106. 2106Trimerodytes aequifasciatus (Barbour, 1908) · Asiatic Water Snake
  2107. 2107Trimerodytes annularis (Hallowell, 1856) · Ringed Water Snake
  2108. 2108Trimerodytes balteatus Cope, 1895 · Hainan Mountain Keelback
  2109. 2109Trimerodytes percarinatus (Boulenger, 1899) · Olive Annulate Keelback
  2110. 2110Trimerodytes praemaxillaris (Angel, 1929) · Angel’s Mountain Keelback · newer than the 2023 backbone
  2111. 2111Trimerodytes yapingi (Guo, Zhu & Liu, 2019) · Jingdong Water Snake
  2112. 2112Trimerodytes yunnanensis (Rao & Yang, 1998) · Yunnan Water Snake
  2113. 2113Trimetopon barbouri Dunn, 1930 · Barbour's Tropical Ground Snake
  2114. 2114Trimetopon gracile (Günther, 1872) · Günther's Tropical Ground Snake
  2115. 2115Trimetopon pliolepis Cope, 1894 · Cope's Tropical Ground Snake
  2116. 2116Trimetopon simile Dunn, 1930 · Dunn's Tropical Ground Snake
  2117. 2117Trimetopon slevini Dunn, 1940 · Slevin's Tropical Ground Snake
  2118. 2118Trimetopon viquezi Dunn, 1937 · Viquez's Tropical Ground Snake
  2119. 2119Trimorphodon biscutatus (Duméril, Bibron & Duméril, 1854) · Western Lyre Snake
  2120. 2120Trimorphodon lambda Cope, 1886 · Sonoran Lyre Snake
  2121. 2121Trimorphodon lyrophanes (Cope, 1860) · Baja California Lyre Snake
  2122. 2122Trimorphodon paucimaculatus Taylor, 1936 · Sinaloan lyresnake
  2123. 2123Trimorphodon quadruplex Smith, 1941
  2124. 2124Trimorphodon tau Cope, 1870 · Mexican Lyre Snake
  2125. 2125Trimorphodon vilkinsonii Cope, 1886 · Texas Lyre Snake
  2126. 2126Tropidoclonion lineatum (Hallowell, 1856) · Lined Snake
  2127. 2127Tropidodipsas fasciata Günther, 1858 · Guerreran Snail Sucker [guerreroensis]
  2128. 2128Tropidodipsas fischeri (Boulenger, 1894) · Fischer’s Snail-Eating Snake
  2129. 2129Tropidodipsas guerreroensis Taylor, 1939 · Guerrero Snail Sucker
  2130. 2130Tropidodipsas papavericola Grünwald, Toribio-Jiménez, Montaño-Ruvalcaba, Franz-Chávez, Peñaloza-Montaño, Barrera-Nava, Jones, Rodriguez, Hughes, Strickland & Reyes-Velasco, 2021 · Poppyfield Snailsucker
  2131. 2131Tropidodipsas philippii (Jan, 1863) · Philippi’s Snail-Eating Snake
  2132. 2132Tropidodipsas repleta Smith, Lemos-Espinal, Hartman & Chiszar, 2005
  2133. 2133Tropidodipsas tricolor Grünwald, Toribio-Jiménez, Montaño-Ruvalcaba, Franz-Chávez, Peñaloza-Montaño, Barrera-Nava, Jones, Rodriguez, Hughes, Strickland & Reyes-Velasco, 2021 · Tricolor Snailsucker
  2134. 2134Tropidodipsas zweifeli (Liner & Wilson, 1970) · Zweifel’s Snail-Eating Snake
  2135. 2135Tropidodryas serra (Schlegel, 1837) · Serra Snake
  2136. 2136Tropidodryas striaticeps (Cope, 1870) · Jiboinha
  2137. 2137Tropidonophis aenigmaticus Malnate & Underwood, 1988 · East Papuan keelback
  2138. 2138Tropidonophis dahlii (Werner, 1899) · New Britain keelback
  2139. 2139Tropidonophis dendrophiops (Günther, 1883) · Spotted Water Snake
  2140. 2140Tropidonophis dolasii Kraus & Allison, 2004
  2141. 2141Tropidonophis doriae (Boulenger, 1898) · Barred keelback
  2142. 2142Tropidonophis elongatus (Jan, 1865) · Moluccan keelback
  2143. 2143Tropidonophis halmahericus (Boettger, 1895)
  2144. 2144Tropidonophis hypomelas (Günther, 1877) · Bismarck keelback
  2145. 2145Tropidonophis mairii (Gray, 1841) · Common keelback
  2146. 2146Tropidonophis mcdowelli Malnate & Underwood, 1988 · Northern New Guinea keelback
  2147. 2147Tropidonophis montanus (Lidth de Jeude, 1911) · North Irian montane keelback
  2148. 2148Tropidonophis multiscutellatus (Brongersma, 1948) · Many-scaled keelback
  2149. 2149Tropidonophis negrosensis (Taylor, 1917) · Negros Spotted Water Snake
  2150. 2150Tropidonophis novaeguineae (Lidth de Jeude, 1911) · New Guinea keelback
  2151. 2151Tropidonophis parkeri Malnate & Underwood, 1988 · Highland keelback
  2152. 2152Tropidonophis picturatus (Schlegel, 1837) · Painted keelback
  2153. 2153Tropidonophis punctiventris (Boettger, 1895) · Halmahera Keelback
  2154. 2154Tropidonophis spilogaster (Boie, 1827) · Boie's Keelback · newer than the 2023 backbone
  2155. 2155Tropidonophis statisticus Malnate & Underwood, 1988 · PNG montane keelback
  2156. 2156Tropidonophis truncatus (Peters, 1863)
  2157. 2157Uromacer catesbyi (Schlegel, 1837) · Catesby's Pointed Snake
  2158. 2158Uromacer frenatus (Günther, 1865) · Slender Hispaniolan Vinesnake
  2159. 2159Uromacer oxyrhynchus Duméril, Bibron & Duméril, 1854 · Sharp-nosed Hispaniolan Vinesnake
  2160. 2160Urotheca decipiens (Günther, 1893) · Pale Ground Snake
  2161. 2161Urotheca dumerilii (Bibron, 1840)
  2162. 2162Urotheca fulviceps (Cope, 1886)
  2163. 2163Urotheca guentheri (Dunn, 1938) · Striped glasstail
  2164. 2164Urotheca lateristriga (Berthold, 1859)
  2165. 2165Urotheca multilineata (Peters, 1863)
  2166. 2166Urotheca myersi Savage & Lahanas, 1989
  2167. 2167Urotheca pachyura (Cope, 1875)
  2168. 2168Virginia striatula (Linnaeus, 1766) · Rough Earth Snake
  2169. 2169Virginia valeriae Baird & Girard, 1853 · Smooth Earth Snake
  2170. 2170Wallaceophis gujaratensis Mirza, Vyas, Patel, Maheta & Sanap, 2016 · Wallace’s striped snake/ Wallace’s racer
  2171. 2171Wallophis brachyura (Günther, 1866) · Indian Smooth Snake · newer than the 2023 backbone
  2172. 2172Xenelaphis ellipsifer Boulenger, 1900 · Ornate Brown Snake
  2173. 2173Xenelaphis hexagonotus (Cantor, 1847) · Malaysian Brown Snake
  2174. 2174Xenochrophis bellulus (Stoliczka, 1871) · Burmese White-barred Keelback
  2175. 2175Xenochrophis cerasogaster (Cantor, 1839) · Painted Keelback
  2176. 2176Xenochrophis maculatus (Edeling, 1864) · Spotted Keelback
  2177. 2177Xenochrophis trianguligerus (Boie, 1827) · Triangle Keelback
  2178. 2178Xenochrophis vittatus (Linnaeus, 1758) · Striped Keelback
  2179. 2179Xenodon dorbignyi (Bibron, 1854) · South American Hognose Snake
  2180. 2180Xenodon guentheri Boulenger, 1894 · Günther's False Fer-de-lance
  2181. 2181Xenodon histricus (Jan, 1863) · Jan's Hognose Snake
  2182. 2182Xenodon matogrossensis (Scrocchi & Cruz, 1993)
  2183. 2183Xenodon merremii (Wagler, 1824) · Wagler's Snake
  2184. 2184Xenodon nattereri (Steindachner, 1867)
  2185. 2185Xenodon neuwiedii Günther, 1863 · Neuwied's False Fer-de-lance
  2186. 2186Xenodon pulcher (Jan, 1863)
  2187. 2187Xenodon rabdocephalus (Wied-Neuwied, 1824) · False Fer-de-lance
  2188. 2188Xenodon semicinctus (Duméril, Bibron & Duméril, 1854) · Ringed Hognose Snake
  2189. 2189Xenodon severus (Linnaeus, 1758) · Amazon False Fer-de-lance
  2190. 2190Xenodon werneri (Eiselt, 1963)
  2191. 2191Xenopholis scalaris (Wucherer, 1861) · Wucherer's Ground Snake
  2192. 2192Xenopholis undulatus (Jensen, 1900) · Jensen's Ground Snake
  2193. 2193Xenopholis werdingorum Jansen, Álvarez & Köhler, 2009
  2194. 2194Xenoxybelis argenteus (Daudin, 1803) · Striped Sharpnose Snake
  2195. 2195Xenoxybelis boulengeri (Procter, 1923) · Southern Sharpnose Snake
  2196. 2196Yakacoatl tlalli Cisneros-Bernal, Palacios-Aguilar, Hernández-Jiménez, Smith, Flores-Villela, Hernández-Morales, Olivares Loyola & Campillo-García, 2025 · newer than the 2023 backbone
  2197. 2197Zamenis hohenackeri (Strauch, 1873) · Transcaucasian Rat Snake
  2198. 2198Zamenis lineatus (Camerano, 1891) · Striped Aesculapian rat snake
  2199. 2199Zamenis longissimus (Laurenti, 1768) · Aesculapean Snake
  2200. 2200Zamenis persicus (Werner, 1913) · Persian Rat Snake
  2201. 2201Zamenis scalaris (Schinz, 1822) · Ladder Snakes
  2202. 2202Zamenis situla (Linnaeus, 1758) · European Ratsnake
  2203. 2203Zonateres lanei Bailey, Thomas & da Silva, 2005 · newer than the 2023 backbone

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