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= endemic EX = extinct or assumed extinct

Genus
Boa (Red-tailed Boas) |
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Boa sigma
West Mexican Red-tailed Boa | 
Heimes 2016 [as B. constrictor]
McDiarmid, Copp & Breedlove 1976
Nolasco-Luna, Barraza-Soltero, Lopez-Montes, Moreno-Lopez & Escobedo-Galvan 2022
Peters & Orejas-Miranda 1970
Smith & Taylor 1945 [as Constrictor constrictor sigma]
Woolrich-Pina, Ponce-Campos, Loc-Barragan, Ramirez-Silva, Mata-Silva, Johnson, Garcia-Padilla & Wilson 2016
Zweifel 1960
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Genus
Geophis (Central American Earth Snakes) |
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Hypsiglena torquata
Sinaloan Night Snake | 
McDiarmid, Copp & Breedlove 1976
Nolasco-Luna, Barraza-Soltero, Lopez-Montes, Moreno-Lopez & Escobedo-Galvan 2022
Woolrich-Pina, Ponce-Campos, Loc-Barragan, Ramirez-Silva, Mata-Silva, Johnson, Garcia-Padilla & Wilson 2016
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Genus
Imantodes (American Blunt-headed Tree Snakes) |
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Leptophis diplotropis
Twin-keeled Parrot Snake | 
Heimes 2016
McDiarmid, Copp & Breedlove 1976
Nolasco-Luna, Barraza-Soltero, Lopez-Montes, Moreno-Lopez & Escobedo-Galvan 2022
Oliver 1948
Perez-Higareda & Smith 1989
Smith & Taylor 1945
Woolrich-Pina, Ponce-Campos, Loc-Barragan, Ramirez-Silva, Mata-Silva, Johnson, Garcia-Padilla & Wilson 2016
Zweifel 1960
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Genus
Masticophis (North American Whip Snakes and Coachwhips) |
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Masticophis lineatus
Mexican Whip Snake | 
Heimes 2016
Johnson 1977
Johnson 1982 [as M. mentovarius]
McDiarmid, Copp & Breedlove 1976 [as striolatus]
Nolasco-Luna, Barraza-Soltero, Lopez-Montes, Moreno-Lopez & Escobedo-Galvan 2022
Smith & Taylor 1945
Woolrich-Pina, Ponce-Campos, Loc-Barragan, Ramirez-Silva, Mata-Silva, Johnson, Garcia-Padilla & Wilson 2016 [as M. mentovarius]
Zweifel 1960
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Mastigodryas slevini
Nayarit Lizard Eater | 
Heimes 2016
McDiarmid, Copp & Breedlove 1976
Montingelli 2009
Nolasco-Luna, Barraza-Soltero, Lopez-Montes, Moreno-Lopez & Escobedo-Galvan 2022 [as M. melanolomus]
Smith & Taylor 1945
Stuart 1941
Woolrich-Pina, Ponce-Campos, Loc-Barragan, Ramirez-Silva, Mata-Silva, Johnson, Garcia-Padilla & Wilson 2016 [as melanolomus]
Zweifel 1960
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Genus
Oxybelis (Neotropical Vine Snakes) |
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Oxybelis microphthalmus
Thornscrub Vine Snake | 
Heimes 2016 [as aeneus]
Keiser 1974 [as aeneus]
Keiser 1982 [as aeneus]
McDiarmid, Copp & Breedlove 1976 [as aeneus]
Nolasco-Luna, Barraza-Soltero, Lopez-Montes, Moreno-Lopez & Escobedo-Galvan 2022
Woolrich-Pina, Ponce-Campos, Loc-Barragan, Ramirez-Silva, Mata-Silva, Johnson, Garcia-Padilla & Wilson 2016 [as aeneus]
Zweifel 1960 [as aeneus]
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Genus
Sibon (Neotropical Snail Eaters) |
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Genus
Tantilla (American Centipede Snakes) |
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Tantilla bocourti
Guanajuato Centipede Snake | 
Heimes 2016
McDiarmid & Folke 1991
McDiarmid, Copp & Breedlove 1976
Nolasco-Luna, Barraza-Soltero, Lopez-Montes, Moreno-Lopez & Escobedo-Galvan 2022
Nolasco-Luna, Cupul-Magana, Escobedo-Galvan, Mata-Silva & Wilson 2019
Wilson & Mata-Silva 2014
Wilson & Mata-Silva 2015
Woolrich-Pina, Ponce-Campos, Loc-Barragan, Ramirez-Silva, Mata-Silva, Johnson, Garcia-Padilla & Wilson 2016
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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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Agkistrodon bilineatus
Western Cantil | 
Campbell & Lamar 2004
Heimes 2016
Nolasco-Luna, Barraza-Soltero, Lopez-Montes, Moreno-Lopez & Escobedo-Galvan 2022
Porras, Wilson, Schuett & Reiserer 2013
Woolrich-Pina, Ponce-Campos, Loc-Barragan, Ramirez-Silva, Mata-Silva, Johnson, Garcia-Padilla & Wilson 2016
Zweifel 1960
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