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= endemic EX = extinct or assumed extinct

Genus
Boa (Red-tailed Boas) |
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Genus
Enulius (Middle American Long-tailed Snakes) |
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Genus
Geophis (Central American Earth Snakes) |
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Genus
Imantodes (American Blunt-headed Tree Snakes) |
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Genus
Masticophis (North American Whip Snakes and Coachwhips) |
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Mastigodryas cliftoni
West Mexican Lizard Eater | 
Ahumada-Carillo, Perez Rivera, Reyes-Velasco, Grunwald & Jones 2014
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Hardy & McDiarmid 1969
Hardy 1963 [as fasciatus]
Heimes 2016
Lemos-Espinal & Smith 2020
Montingelli 2009
Montingelli, Grazziotin, Battilana, Murphy, Zhang & Zaher 2019
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Genus
Oxybelis (Neotropical Vine Snakes) |
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Oxybelis microphthalmus
Thornscrub Vine Snake | 
Auth, Smith, Brown & Lintz 2000 [as aeneus]
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009 [as aeneus]
Hardy & McDiarmid 1969 [as aeneus]
Jadin, Blair, Orlofske, Jowers, Rivas, Vitt, Ray, Smith & Murphy 2020
Keiser 1974 [as aeneus]
Lemos-Espinal & Smith 2020 [as O. aeneus]
Smith & Gelder 1955 [as aeneus]
Smith & Taylor 1945 [as acuminatus]
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Genus
Pituophis (Bullsnakes, Pine Snakes and Gopher Snakes) |
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Genus
Sonora (North American Ground, Sand, and Shovel-nosed Snakes) |
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Sonora aemula
File-tailed Ground Snake | 
Cox, Davis Rabosky, Holmes, Reyes-Velasco, Roelke, Smith, Flores-Villela, McGuire & Campbell 2018
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Hardy & McDiarmid 1969
Heimes 2016
Lemos-Espinal & Smith 2007
Lemos-Espinal & Smith 2020
McDiarmid, Copp & Breedlove 1976
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Sonora mutabilis
Mexican Ground Snake | 
Cox, Davis Rabosky, Holmes, Reyes-Velasco, Roelke, Smith, Flores-Villela, McGuire & Campbell 2018
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009 [as michoacanensis]
Frost 1979
Heimes 2016
Lemos-Espinal & Smith 2020
Ponce-Campos, Smith, Harris & Chiszar 2004
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Genus
Storeria (North American Brown Snakes) |
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Genus
Tantilla (American Centipede Snakes) |
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Genus
Thamnophis (North American Garter Snakes and Ribbon Snakes) |
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Tropidodipsas philippii
Sinaloan Snail Eater | 
Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009
Greer 1965
Grunwald, Toribio-Jimenez, Montano-Ruvalcaba, Franz-Chavez, Penaloza-Montano, Barrera-Nava, Jones, Rodriguez, Hughes, Strickland & Reyes-Velasco 2021
Hardy & McDiarmid 1969
Heimes 2016
Kofron 1987
Lemos-Espinal & Smith 2020
Ramirez-Bautista, Flores-Villela & Casas-Andreu 1982
Shannon & Humphrey 1959 [as freiae]
Smith & Taylor 1945
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Family
Elapidae [part 1: terrestrial species] (Cobras, Mambas, etc.) |  |  |
Family
Elapidae [part 2: marine species] (Sea Snakes) |  |  |
Genus
Rena (Maroon Thread Snakes) |
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Genus
Agkistrodon (American Copperheads, Cottonmouths, and Cantils) |
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