|
= endemic EX = extinct or assumed extinct
![](../DIV/Transparent_50x5.gif)
Genus
Coluber (North American Racer) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Coluber_60h.gif) |
![](../links/Coluber_bibliography_link.gif) |
Genus
Heterodon (North American Hognose Snakes) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Heterodon_60h.gif) |
![](../links/Heterodon_bibliography_link.gif) |
Genus
Masticophis (North American Whip Snakes and Coachwhips) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Masticophis_60h.gif) |
![](../links/Masticophis_bibliography_link.gif) |
Genus
Nerodia (North American Water Snakes) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Nerodia_60h.gif) |
![](../links/Nerodia_bibliography_link.gif) |
Genus
Opheodrys (North American Green Snakes) |
![](../maps1/TAX/Serpentes/Colubridae/GIF/Opheodrys_60h.gif) |
![](../links/Opheodrys_bibliography_link.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)
Auth, Smith, Brown & Lintz 2000
Bryson, Garcia-Vazquez & Riddle 2011
Chrapliwy & Fugler 1955
Fugler & Webb 1956
Lazcano, Nevarez-de los Reyes, Garcia-Padilla, Johnson, Mata-Silva, DeSantis & Wilson 2019
Lemos-Espinal & Smith 2007
Lemos-Espinal & Smith 2016
Schatti, Heimes, Tillack, Kucharzewski & Coeto 2020
Smith & Taylor 1945
Smith, Lemos-Espinal & Heimes 2005
Sweet & Parker 1990 [as P. melanoleucus]
![](../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_episcopa_160h.gif) ![](../DIV/Transparent_160x3.gif) |
| ![](../DIV/Transparent_500x1.gif)
Sonora episcopa
Great Plains Ground Snake | ![](../DIV/Transparent_500x1.gif)
Auth, Smith, Brown & Lintz 2000 [as semiannulata]
Cox, Davis Rabosky, Holmes, Reyes-Velasco, Roelke, Smith, Flores-Villela, McGuire & Campbell 2018
Frost 1983 [as semiannulata]
Heimes 2016 [as semiannulata]
Lazcano, Nevarez-de los Reyes, Garcia-Padilla, Johnson, Mata-Silva, DeSantis & Wilson 2019
Lemos-Espinal & Smith 2007 [as s. semiannulata]
Lemos-Espinal & Smith 2016 [as semiannulata]
Liner, Johnson & Chaney 1977
![](../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) |
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) |
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_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
Lazcano, Nevarez-de los Reyes, Garcia-Padilla, Johnson, Mata-Silva, DeSantis & Wilson 2019
Lemos-Espinal & Smith 2007
Lemos-Espinal & Smith 2016
Liner 1964
Smith, Lemos-Espinal & Heimes 2005
Watson, Spencer, Schield, Butler, Smith, Flores-Villela, Campbell, Mackessy, Castoe & Meik 2019
![](../DIV/Transparent_160x10.gif) |
| |