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= endemic EX = extinct or assumed extinct

Genus
Boa (Red-tailed Boas) |
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Genus
Clelia (Northern Snake Eaters) |
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Genus
Dipsas (Neotropical Snail Eaters) |
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Genus
Enulius (Middle American Long-tailed Snakes) |
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Genus
Ficimia (Eastern Hook-nosed Snakes) |
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Genus
Geophis (Central American Earth Snakes) |
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Geophis annuliferus
West Mexican Snail Eater | 
Grunwald, Toribio-Jimenez, Montano-Ruvalcaba, Franz-Chavez, Penaloza-Montano, Barrera-Nava, Jones, Rodriguez, Hughes, Strickland & Reyes-Velasco 2021
Lemos-Espinal, Smith, Pierce & Painter 2020
Reyes-Velasco, Grunwald, Jones & Ahumada-Carrillo 2020
Reyes-Velasco, Hermosillo-Lopez, Grunwald & Avila-Lopez 2009
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Geophis bicolor
Mexican Plateau Earth Snake | 
Grunwald, Toribio-Jimenez, Montano-Ruvalcaba, Franz-Chavez, Penaloza-Montano, Barrera-Nava, Jones, Rodriguez, Hughes, Strickland & Reyes-Velasco 2021
Reyes-Velasco, Grunwald, Jones & Ahumada-Carrillo 2020
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Geophis sieboldi
West Mexican Earth Snake | 
Ahumada-Carillo, Perez Rivera, Reyes-Velasco, Grunwald & Jones 2014
Barragan-Resendiz, Pavon-Vazquez, Cervantes-Burgos, Trujano-Ortega, Canseco-Marquez & Garcia-Vazquez 2022
Lemos-Espinal, Smith, Pierce & Painter 2020
Reyes-Velasco, Grunwald, Jones & Ahumada-Carrillo 2020
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Geophis tarascae
Tarascan Earth Snake | 
Grunwald, Toribio-Jimenez, Montano-Ruvalcaba, Franz-Chavez, Penaloza-Montano, Barrera-Nava, Jones, Rodriguez, Hughes, Strickland & Reyes-Velasco 2021
Reyes-Velasco, Grunwald, Jones & Ahumada-Carrillo 2020
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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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Genus
Oxybelis (Neotropical Vine Snakes) |
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Oxybelis microphthalmus
Thornscrub Vine Snake | 
Duellman 1958 [as aeneus]
Jadin, Blair, Orlofske, Jowers, Rivas, Vitt, Ray, Smith & Murphy 2020
Keiser 1974 [as aeneus]
Lemos-Espinal, Smith, Pierce & Painter 2020 [as O. aeneus]
Reyes-Velasco, Grunwald, Jones & Ahumada-Carrillo 2020 [as O. aeneus]
Smith & Taylor 1945 [as acuminatus]
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Genus
Pituophis (Bullsnakes, Pine Snakes and Gopher Snakes) |
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Genus
Sibon (Neotropical Snail Eaters) |
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Sibon nebulatus
Cloudy Snail Eater | 
Duellman 1958
Grunwald, Toribio-Jimenez, Montano-Ruvalcaba, Franz-Chavez, Penaloza-Montano, Barrera-Nava, Jones, Rodriguez, Hughes, Strickland & Reyes-Velasco 2021
Lemos-Espinal, Smith, Pierce & Painter 2020
Reyes-Velasco, Grunwald, Jones & Ahumada-Carrillo 2020
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Genus
Sonora (North American Ground, Sand, and Shovel-nosed Snakes) |
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Sonora michoacanensis
Michoacan Ground Snake | 
Cox, Davis Rabosky, Holmes, Reyes-Velasco, Roelke, Smith, Flores-Villela, McGuire & Campbell 2018
Heimes 2016
Lemos-Espinal, Smith, Pierce & Painter 2020
Ponce-Campos, Smith, Harris & Chiszar 2004
Reyes-Velasco, Grunwald, Jones & Ahumada-Carrillo 2020
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Genus
Storeria (North American Brown Snakes) |
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Genus
Symphimus (Mexican White-lipped 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 | 
Duellman 1958 [as occidentalis]
Greer 1965
Grunwald, Toribio-Jimenez, Montano-Ruvalcaba, Franz-Chavez, Penaloza-Montano, Barrera-Nava, Jones, Rodriguez, Hughes, Strickland & Reyes-Velasco 2021
Kofron 1987
Lemos-Espinal, Smith, Pierce & Painter 2020
Ramirez-Bautista, Flores-Villela & Casas-Andreu 1982
Reyes-Velasco, Grunwald, Jones & Ahumada-Carrillo 2020
Smith & Taylor 1945 [as occidentalis]
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Family
Elapidae [part 1: terrestrial species] (Cobras, Mambas, etc.) |  |  |
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Micrurus browni
Sierra Madre Coral Snake | 
Heimes 2016 [as M. proximans]
Lemos-Espinal, Smith, Pierce & Painter 2020 [as M. proximans]
Reyes-Velasco, Adams, Boissinot, Parkinson, Campbell, Castoe & Smith 2020
Reyes-Velasco, Grunwald, Jones & Ahumada-Carrillo 2020
Reyes-Velasco, Grunwald, Jones, Price & Fisher 2012 [as M. proximans]
Reyes-Velasco, Hermosillo-Lopez, Grunwald & Avila-Lopez 2009 [as M. tener fitzingeri]
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Micrurus oliveri
Colima Coral Snake | 
Campbell & Lamar 2004
Heimes 2016
Lemos-Espinal, Smith, Pierce & Painter 2020 [as M. distans]
Ramirez-Bautista, Flores-Villela & Casas-Andreu 1982
Reyes-Velasco, Adams, Boissinot, Parkinson, Campbell, Castoe & Smith 2020
Reyes-Velasco, Grunwald, Jones & Ahumada-Carrillo 2020 [as M. distans]
Roze 1967
Roze 1996
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Family
Elapidae [part 2: marine species] (Sea Snakes) |  |  |
Genus
Epictia (Neotropical Thread Snakes) |
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Genus
Rena (Maroon Thread Snakes) |
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Genus
Agkistrodon (American Copperheads, Cottonmouths, and Cantils) |
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Crotalus campbelli
Guerreran Dusky Rattlesnake | 
Bryson, Linkem, Dorcas, Lathrop, Jones, Alvarado-Diaz, Grunwald & Murphy 2014
Flores-Guerrero & Sanchez-Gonzalez 2016
Heimes 2016
Lemos-Espinal, Smith, Pierce & Painter 2020
Reyes-Velasco, Grunwald, Jones & Ahumada-Carrillo 2020
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