|
= endemic EX = extinct or assumed extinct
![](../DIV/Transparent_50x5.gif)
Genus
Boa (Red-tailed Boas) |
![](../maps1/TAX/Serpentes/Boidae/GIF/Boa_60h.gif) |
![](../links/Boa_bibliography_link.gif) |
![](../maps1/TAX/Serpentes/Boidae/GIF/Boa_sigma_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Boa sigma
West Mexican Red-tailed Boa | ![](../DIV/Transparent_500x1.gif)
Devender, Rorabaugh, Dietrich, Salazar-Martinez, Silva-Kurumiya, Yanes-Arvayo, Rosen, Ferguson, Trageser, Galaz-Galaz, Jacobs, Valdez-Villavicencio & Devender 2020
Enderson, Devender & Bezy 2014 [as B. constrictor]
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009 [as B. constrictor]
Heimes 2016 [as imperator]
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008 [as B. constrictor]
Smith & Taylor 1945 [as Constrictor constrictor imperator]
Zweifel & Norris 1955
![](../DIV/Transparent_160x10.gif) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Diadophis_punctatus_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Diadophis punctatus
Ring-necked Snake | ![](../DIV/Transparent_500x1.gif)
Devender & Gomez-Limon 2014
Enderson, Devender & Bezy 2014
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Heimes 2016
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008
Rorabaugh, Turner, Devender, Hugo-Cabrera, Maynard, Devender, Villa, Hamilton, Hale, Aguilar-Morales, Blanco-Gutierrez, Wallace & Hedgcock 2019
Smith & Taylor 1945
![](../DIV/Transparent_160x10.gif) |
Genus
Geophis (Central American Earth Snakes) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Geophis_60h.gif) |
![](../links/Geophis_bibliography_link.gif) |
Genus
Heterodon (North American Hognose Snakes) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Heterodon_60h.gif) |
![](../links/Heterodon_bibliography_link.gif) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Hypsiglena_chlorophaea_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Hypsiglena chlorophaea
Desert Night Snake | ![](../DIV/Transparent_500x1.gif)
Enderson, Devender & Bezy 2014
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Grismer 2002
Heimes 2016
Langebartel & Smith 1954
Lemos-Espinal, Smith & Rorabaugh 2019
Mulcahy 2008
Rorabaugh, Turner, Devender, Hugo-Cabrera, Maynard, Devender, Villa, Hamilton, Hale, Aguilar-Morales, Blanco-Gutierrez, Wallace & Hedgcock 2019
Smith & Taylor 1945 [as H. o. ochrorhyncha]
Zweifel & Norris 1955 [as ochrorhyncha]
![](../DIV/Transparent_160x10.gif) |
Genus
Imantodes (American Blunt-headed Tree Snakes) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Imantodes_60h.gif) |
![](../links/Imantodes_bibliography_link.gif) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Lampropeltis_knoblochi_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Lampropeltis knoblochi
Chihuahuan Mountain Kingsnake | ![](../DIV/Transparent_500x1.gif)
Enderson, Devender & Bezy 2014 [as L. pyromelana]
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Hammerson 2019
Heimes 2016
Lemos-Espinal & Smith 2007 [as L. pyromelana]
Lemos-Espinal, Smith & Rorabaugh 2019
Markel 1990 [as L. p. pyromelana]
Rorabaugh 2008 [as L. pyromelana]
Rorabaugh, Turner, Devender, Hugo-Cabrera, Maynard, Devender, Villa, Hamilton, Hale, Aguilar-Morales, Blanco-Gutierrez, Wallace & Hedgcock 2019
![](../DIV/Transparent_160x10.gif) |
Genus
Masticophis (North American Whip Snakes and Coachwhips) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Masticophis_60h.gif) |
![](../links/Masticophis_bibliography_link.gif) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Masticophis_lineatus_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Masticophis lineatus
Mexican Whip Snake | ![](../DIV/Transparent_500x1.gif)
Enderson, Devender & Bezy 2014 [as M. mentovarius]
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009 [as M. mentovarius]
Heimes 2016 [as striolatus]
Johnson 1977 [as striolatus]
Johnson 1982 [as M. mentovarius]
Lemos-Espinal, Smith & Rorabaugh 2019 [as M. mentovarius]
O'Connell & Smith 2018
Rorabaugh 2008 [as M. mentovarius]
Rorabaugh, Turner, Devender, Hugo-Cabrera, Maynard, Devender, Villa, Hamilton, Hale, Aguilar-Morales, Blanco-Gutierrez, Wallace & Hedgcock 2019 [as M. mentovarius]
Smith & Taylor 1945
Zweifel & Norris 1955 [as striolatus]
![](../DIV/Transparent_160x10.gif) |
Genus
Oxybelis (Neotropical Vine Snakes) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Oxybelis_60h.gif) |
![](../links/Oxybelis_bibliography_link.gif) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Oxybelis_microphthalmus_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Oxybelis microphthalmus
Thornscrub Vine Snake | ![](../DIV/Transparent_500x1.gif)
Enderson, Devender & Bezy 2014 [as aeneus]
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009 [as aeneus]
Heimes 2016 [as aeneus]
Jadin, Blair, Orlofske, Jowers, Rivas, Vitt, Ray, Smith & Murphy 2020
Keiser 1974 [as aeneus]
Lemos-Espinal, Smith & Rorabaugh 2019 [as O. aeneus]
Rorabaugh 2008 [as aeneus]
Smith & Taylor 1945 [as acuminatus]
Zweifel & Norris 1955 [as aeneus]
![](../DIV/Transparent_160x10.gif) |
Genus
Pituophis (Bullsnakes, Pine Snakes and Gopher Snakes) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Pituophis_60h.gif) |
![](../links/Pituophis_bibliography_link.gif) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Pituophis_catenifer_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Pituophis catenifer
Gopher Snake | ![](../DIV/Transparent_500x1.gif)
Bryson, Garcia-Vazquez & Riddle 2011
Enderson, Devender & Bezy 2014
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Heimes 2016
Langebartel & Smith 1954
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008
Rorabaugh, Turner, Devender, Hugo-Cabrera, Maynard, Devender, Villa, Hamilton, Hale, Aguilar-Morales, Blanco-Gutierrez, Wallace & Hedgcock 2019
Schatti, Heimes, Tillack, Kucharzewski & Coeto 2020
Smith & Taylor 1945
![](../DIV/Transparent_160x10.gif) |
Genus
Sonora (North American Ground, Sand, and Shovel-nosed Snakes) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Sonora_60h.gif) |
![](../links/Sonora_bibliography_link.gif) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Sonora_aemula_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Sonora aemula
File-tailed Ground Snake | ![](../DIV/Transparent_500x1.gif)
Cox, Davis Rabosky, Holmes, Reyes-Velasco, Roelke, Smith, Flores-Villela, McGuire & Campbell 2018
Devender & Holm 2014
Enderson, Devender & Bezy 2014
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Heimes 2016
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008
Zweifel & Norris 1955
![](../DIV/Transparent_160x10.gif) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Sonora_annulata_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Sonora annulata
Southern Shovel-nosed Snake | ![](../DIV/Transparent_500x1.gif)
Cox, Davis Rabosky, Holmes, Reyes-Velasco, Roelke, Smith, Flores-Villela, McGuire & Campbell 2018
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009 [as occipitalis]
Heimes 2016
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008 [as occipitalis]
![](../DIV/Transparent_160x10.gif) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Sonora_palarostris_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Sonora palarostris
Sonoran Shovel-nosed Snake | ![](../DIV/Transparent_500x1.gif)
Cox, Davis Rabosky, Holmes, Reyes-Velasco, Roelke, Smith, Flores-Villela, McGuire & Campbell 2018
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Heimes 2016
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008
Smith & Taylor 1945
Zweifel & Norris 1955
![](../DIV/Transparent_160x10.gif) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Sonora_semiannulata_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Sonora semiannulata
Western Ground Snake | ![](../DIV/Transparent_500x1.gif)
Cox, Davis Rabosky, Holmes, Reyes-Velasco, Roelke, Smith, Flores-Villela, McGuire & Campbell 2018
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Frost 1983
Heimes 2016
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008
![](../DIV/Transparent_160x10.gif) |
Genus
Storeria (North American Brown Snakes) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Storeria_60h.gif) |
![](../links/Storeria_bibliography_link.gif) |
Genus
Tantilla (American Centipede Snakes) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Tantilla_60h.gif) |
![](../links/Tantilla_bibliography_link.gif) |
Genus
Thamnophis (North American Garter Snakes and Ribbon Snakes) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Thamnophis_60h.gif) |
![](../links/Thamnophis_bibliography_link.gif) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Thamnophis_cyrtopsis_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Thamnophis cyrtopsis
Black-necked Garter Snake | ![](../DIV/Transparent_500x1.gif)
Enderson, Devender & Bezy 2014
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Heimes 2016
Langebartel & Smith 1954
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008
Rorabaugh, Turner, Devender, Hugo-Cabrera, Maynard, Devender, Villa, Hamilton, Hale, Aguilar-Morales, Blanco-Gutierrez, Wallace & Hedgcock 2019
Rossman, Ford & Seigel 1996
Smith & Taylor 1945
Smith, Lemos-Espinal & Heimes 2005
Zweifel & Norris 1955
![](../DIV/Transparent_160x10.gif) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Thamnophis_melanogaster_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Thamnophis melanogaster
Mexican Black-bellied Garter Snake | ![](../DIV/Transparent_500x1.gif)
Enderson, Devender & Bezy 2014
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Heimes 2016
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008
Rorabaugh, Turner, Devender, Hugo-Cabrera, Maynard, Devender, Villa, Hamilton, Hale, Aguilar-Morales, Blanco-Gutierrez, Wallace & Hedgcock 2019
![](../DIV/Transparent_160x10.gif) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Thamnophis_unilabialis_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Thamnophis unilabialis
Chihuahua Narrow-headed Garter Snake | ![](../DIV/Transparent_500x1.gif)
Enderson, Devender & Bezy 2014 [as rufipunctatus]
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009 [as rufipunctatus]
Heimes 2016
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008 [as rufipunctatus]
Rorabaugh, Turner, Devender, Hugo-Cabrera, Maynard, Devender, Villa, Hamilton, Hale, Aguilar-Morales, Blanco-Gutierrez, Wallace & Hedgcock 2019
![](../DIV/Transparent_160x10.gif) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Tropidodipsas_repleta_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Tropidodipsas repleta
Sonoran Snail Eater | ![](../DIV/Transparent_500x1.gif)
Enderson, Devender & Bezy 2014
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Heimes 2016
Lemos-Espinal, Smith & Rorabaugh 2019
Maynard, Shepard, Warfel, O'Connor & Verspui 2019
Rorabaugh 2008
Smith, Lemos-Espinal, Hartman & Chiszar 2005
![](../DIV/Transparent_160x10.gif) |
Family
Elapidae [part 1: terrestrial species] (Cobras, Mambas, etc.) | ![](../maps1/TAX/FAM_ORDER_CLASS/GIF/Elapidae_1_60h.gif) | ![](../links/Elapidae_1_bibliography_link.gif) |
Family
Elapidae [part 2: marine species] (Sea Snakes) | ![](../maps1/TAX/FAM_ORDER_CLASS/GIF/Elapidae_2_60h.gif) | ![](../links/Elapidae_2_bibliography_link.gif) |
Genus
Rena (Maroon Thread Snakes) |
![](../maps1/TAX/Serpentes/Leptotyphlopidae/GIF/Rena_60h.gif) |
![](../links/Rena_bibliography_link.gif) |
Genus
Agkistrodon (American Copperheads, Cottonmouths, and Cantils) |
![](../maps1/TAX/Serpentes/Viperidae/GIF/Agkistrodon_60h.gif) |
![](../links/Agkistrodon_bibliography_link.gif) |
![](../maps1/TAX/Serpentes/Viperidae/GIF/Crotalus_lepidus_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Crotalus lepidus
Common Rock Rattlesnake | ![](../DIV/Transparent_500x1.gif)
Campbell & Lamar 2004
Enderson, Devender & Bezy 2014
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Heimes 2016
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008
Rorabaugh, Turner, Devender, Hugo-Cabrera, Maynard, Devender, Villa, Hamilton, Hale, Aguilar-Morales, Blanco-Gutierrez, Wallace & Hedgcock 2019
![](../DIV/Transparent_160x10.gif) |
![](../maps1/TAX/Serpentes/Viperidae/GIF/Crotalus_molossus_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Crotalus molossus
Western Black-tailed Rattlesnake | ![](../DIV/Transparent_500x1.gif)
Anderson & Greenbaum 2012
Campbell & Lamar 2004
Enderson, Devender & Bezy 2014
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Harris & Simmons 1977
Heimes 2016
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008
Rorabaugh, Turner, Devender, Hugo-Cabrera, Maynard, Devender, Villa, Hamilton, Hale, Aguilar-Morales, Blanco-Gutierrez, Wallace & Hedgcock 2019
![](../DIV/Transparent_160x10.gif) |
![](../maps1/TAX/Serpentes/Viperidae/GIF/Crotalus_pricei_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Crotalus pricei
Twin-spotted Rattlesnake | ![](../DIV/Transparent_500x1.gif)
Campbell & Lamar 1989
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Heimes 2016
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008
Rorabaugh, Turner, Devender, Hugo-Cabrera, Maynard, Devender, Villa, Hamilton, Hale, Aguilar-Morales, Blanco-Gutierrez, Wallace & Hedgcock 2019
![](../DIV/Transparent_160x10.gif) |
![](../maps1/TAX/Serpentes/Viperidae/GIF/Crotalus_scutulatus_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Crotalus scutulatus
Mojave Rattlesnake | ![](../DIV/Transparent_500x1.gif)
Auth, Smith, Brown & Lintz 2000
Campbell & Lamar 2004
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008
Watson, Spencer, Schield, Butler, Smith, Flores-Villela, Campbell, Mackessy, Castoe & Meik 2019
![](../DIV/Transparent_160x10.gif) |
![](../maps1/TAX/Serpentes/Viperidae/GIF/Crotalus_willardi_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Crotalus willardi
Ridge-nosed Rattlesnake | ![](../DIV/Transparent_500x1.gif)
Campbell & Lamar 2004
Enderson, Devender & Bezy 2014
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Heimes 2016
Lemos-Espinal, Smith & Rorabaugh 2019
Rorabaugh 2008
Rorabaugh, Turner, Devender, Hugo-Cabrera, Maynard, Devender, Villa, Hamilton, Hale, Aguilar-Morales, Blanco-Gutierrez, Wallace & Hedgcock 2019
Smith, Lemos-Espinal & Heimes 2005
![](../DIV/Transparent_160x10.gif) |
| |