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Reptiles of Durango [Mexico] Related checklists:  Mexico Bibliography of the reptiles of Durango Taxonomic history of the reptiles of Durango Introduced species

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Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. www.repfocus.dk (Compilation date: 14th April, 2023).

Checklist General remarks: The list includes only formally described species. Newly discovered, but still unnamed species are excluded. However, unnamed species or species unassigned to species level are included, if they are the only representatives of their genus in the region. Species counts exclude extinct and introduced species. Doubtful records, typically older voucher specimens of uncertain origin, have been excluded if considered questionable, as are records based on sources considered unreliable or controversial. Note: Your comments to the checklist (omissions, errors, etc.) are welcomed, preferably if they are provided with reliable references. If possible, please attach a pdf file of the relevant reference to an email addressed to:

	Lizards (Sauria)
	= endemicEX = extinct or assumed extinct Species References  Family Anguidae (Slowworms, etc.) Genus Barisia (Mexican Alligator Lizards)   Barisia ciliaris Northern Mexican Alligator Lizard Auth, Smith, Brown & Lintz 2000 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1950 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 [as imbricata] Webb & Baker 1962 Zaldivar-Riveron, Nieto-Montes de Oca & Laclette 2005 Genus Elgaria (Western Alligator Lizards)   Elgaria kingii Madrean Alligator Lizard Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962 Webb 1962 Webb 1970 Wermuth 1969 Genus Gerrhonotus (Eastern Alligator Lizards)   Gerrhonotus infernalis Texas Alligator Lizard Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Garcia-Vazquez & Bryson 2017 Good 1994 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Gerrhonotus liocephalus Tlapancingo Alligator Lizard Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Good 1994 [as "cf. liocephalus"] Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Ramirez-Bautista, Vasquez-Diaz & Quintero-Diaz 1998 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962 Wermuth 1969   Gerrhonotus taylori Clarines Alligator Lizard Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Hensley 1959 Wermuth 1969  Family Anolidae (Anoles) Genus Norops (Brilliant Anoles)   Norops nebulosus Clouded Anole Crossin, Soule, Webb & Baker 1973 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1950 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962  Family Crotaphytidae (North American Collared Lizards) Genus Crotaphytus (Typical Collared Lizards)   Crotaphytus collaris Common Collared Lizard Auth, Smith, Brown & Lintz 2000 Axtell & Webb 1995 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Chrapliwy & Fugler 1955 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2022 Jones & Lovich (eds.) 2009 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Gambelia (North American Leopard Lizards)   Gambelia wislizenii Long-nosed Leopard Lizard Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2022 Jones & Lovich (eds.) 2009 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 McGuire 1996 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013  Family Eublepharidae (Eyelid Geckos) Genus Coleonyx (Banded Eyelid Geckos)   Coleonyx brevis Texas Banded Gecko Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Dixon 1970 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Jones & Lovich (eds.) 2009 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Seufer, Kaverkin & Kirschner (eds.) 2005 Smith & Taylor 1950 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Coleonyx fasciatus Black-banded Gecko Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018  Family Helodermatidae (Beaded Lizards) Genus Heloderma (Beaded Lizards)   Heloderma exasperatum Rio Fuerte Beaded Lizard Valdez-Lares & Gadsden-Esparza 2014   Heloderma horridum West Mexican Beaded Lizard Ahumada-Carillo, Hernandez-Jimenez & Garcia-Vazquez 2011 [as horridum] Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Muniz-Martinez & Rojas-Perez 2009 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013  Family Iguanidae (Greater Iguanas) Genus Ctenosaura (Northern Spiny-tailed Iguanas)   Ctenosaura pectinata West Mexican Spiny-tailed Iguana Crossin, Soule, Webb & Baker 1973 Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1950 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962  Family Phrynosomatidae (North American Lesser Iguanas) Genus Cophosaurus (Greater Earless Lizard)   Cophosaurus texanus Greater Earless Lizard Auth, Smith, Brown & Lintz 2000 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Chrapliwy & Fugler 1955 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1950 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Holbrookia (Lesser Earless Lizards)   Holbrookia approximans Blue-bellied Earless Lizard Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 [as maculata] Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2022 Jones & Lovich (eds.) 2009 [as maculata] Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1950 [as maculata dickersonae] Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Holbrookia elegans Mexican Earless Lizard Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Muniz-Martinez, Valdez-Lares & Ramirez-Noya 2014 Genus Phrynosoma (Horned Lizards)   Phrynosoma cornutum Texas Horned Lizard Auth, Smith, Brown & Lintz 2000 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2022 Jones & Lovich (eds.) 2009 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Price 1990 Smith & Taylor 1950 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Phrynosoma modestum Round-tailed Horned Lizard Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1950 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Phrynosoma orbiculare Mountain Horned Lizard Auth, Smith, Brown & Lintz 2000 Heimes 2022 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Moreno-Barajas, Rodriguez-Romero, Velazquez-Rodriguez & Aragon-Martinez 2013 Smith & Taylor 1950 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Phrynosoma ornatissimum Southern Short-horned Lizard Auth, Smith, Brown & Lintz 2000 Heimes 2022 Jones & Lovich (eds.) 2009 Lemos-Espinal & Smith 2007 [as hernandesi] Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Montanucci 2015 Smith & Flores-Villela 1994 Smith & Taylor 1950 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 [as hernandesi] Genus Sceloporus (Northern Spiny Lizards)   Sceloporus albiventris Western White-bellied Spiny Lizard Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez & Garcia-Vazquez 2015   Sceloporus bimaculosus Twin-spotted Spiny Lizard Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2022 Jones & Lovich (eds.) 2009 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Flores-Villela 1994 Valdez-Lares, Muniz-Martinez & Garcia-Vazquez 2015 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Sceloporus brownorum Durango Bunchgrass Lizard Auth, Smith, Brown & Lintz 2000 Grummer & Bryson 2014 Heimes 2022 Ponce-Campos & Huerta-Ortega 1999 Smith, Watkins-Colwell, Lemos-Espinal & Chiszar 1997 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez & Garcia-Vazquez 2015   Sceloporus bulleri Jaliscan Spiny Lizard Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962 Webb 1967   Sceloporus clarkii Southwestern Spiny Lizard Crossin, Soule, Webb & Baker 1973 Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez & Garcia-Vazquez 2015 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Sceloporus cowlesi Southwestern Fence Lizard Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018   Sceloporus edbelli Durangan Undulate Spiny Lizard Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 [as belli] Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Ballinger, Smith & Chiszar 1998 [as S. undulatus belli] Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez & Garcia-Vazquez 2015 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Sceloporus grammicus Mesquite Lizard Auth, Smith, Brown & Lintz 2000 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Chrapliwy & Fugler 1955 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1950 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962   Sceloporus heterolepis Southern Odd-scaled Spiny Lizard Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez & Garcia-Vazquez 2015   Sceloporus horridus Mexican Rough Spiny Lizard Heimes 2022 Smith & Taylor 1950 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Sceloporus jarrovii Mountain Spiny Lizard Auth, Smith, Brown & Lintz 2000 Axtell & Axtell 1971 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Jones & Lovich (eds.) 2009 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Liner 1966 Smith & Taylor 1950 Valdez-Lares, Muniz-Martinez & Garcia-Vazquez 2015 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962 Webb & Hensley 1959   Sceloporus lemosespinali Chihuahua Graphic Lizard Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez & Garcia-Vazquez 2015   Sceloporus lineolateralis Durangan Lined Spiny Lizard Auth, Smith, Brown & Lintz 2000 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2022 Smith & Taylor 1950 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Hensley 1959   Sceloporus maculosus Rio Nazas Spiny Lizard Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1950 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Sceloporus melanogaster Black-bellied Spiny Lizard Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 [as S. torquatus] Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez & Garcia-Vazquez 2015 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 [as S. torquatus] Webb & Hensley 1959   Sceloporus melanorhinus Black-nosed Spiny Lizard Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez & Garcia-Vazquez 2015   Sceloporus merriami Canyon Lizard Conant & Collins 1991 Heimes 2022 Jones & Lovich (eds.) 2009 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb 1982   Sceloporus nelsoni Sinaloan Spiny Lizard Crossin, Soule, Webb & Baker 1973 Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez & Garcia-Vazquez 2015 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962   Sceloporus poinsettii Northern Crevice Spiny Lizard Auth, Smith, Brown & Lintz 2000 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Chrapliwy & Fugler 1955 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2022 Jones & Lovich (eds.) 2009 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Chrapliwy 1958 Smith & Taylor 1950 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez & Garcia-Vazquez 2015 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962   Sceloporus shannonorum Northern Odd-scaled Spiny Lizard Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb 1969   Sceloporus slevini Arizona Bunchgrass Lizard Heimes 2022 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1950 Valdez-Lares, Muniz-Martinez & Garcia-Vazquez 2015 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb, Smith, Chiszar & Watkins-Colwell 1996   Sceloporus spinosus Eastern Mexican Spiny Lizard Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1950 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Sceloporus unicanthalis Southwestern Bunchgrass Lizard Grummer & Bryson 2014 Heimes 2022 Valdez-Lares & Gadsden-Esparza 2014 Webb, Smith, Chiszar & Watkins-Colwell 1996   Sceloporus virgatus Striped Plateau Lizard Heimes 2022 Genus Uma (North American Fringe-toed Lizards)   Uma paraphygas Chihuahua Fringe-toed Lizard Castaneda-Gaytan, Gadsden, Lopez-Corrujedo & Estrada-Rodriguez 2003 Heimes 2022 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Urosaurus (North American Tree Lizards)   Urosaurus bicarinatus Tropical Tree Lizard Crossin, Soule, Webb & Baker 1973 Heimes 2022 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Urosaurus ornatus Common Tree Lizard Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Uta (Side-blotched Lizards)   Uta stansburiana Common Side-blotched Lizard Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 [as stejnegeri] Heimes 2022 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1950 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013  Family Phyllodactylidae (Leaf-toed Geckos) Genus Phyllodactylus (American Leaf-toed Geckos)   Phyllodactylus saxatilis Stone Yellow-bellied Leaf-toed Gecko Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 [as P. tuberculosus] Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 [as P. tuberculosus] Wermuth 1965  Family Scincidae (Skinks) Genus Plestiodon (Blue-tailed Skinks)   Plestiodon bilineatus Two-lined Short-nosed Skink Auth, Smith, Brown & Lintz 2000 Brandley, Ota, Hikida, Montes de Oca, Feria-Ortiz, Guo & Wang 2012 Bryson, Linkem, Pavon-Vazquez, Nieto-Montes de Oca, Klicka & McCormack 2017 Dixon 1969 Legler & Webb 1960 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Robinson 1979 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962   Plestiodon brevirostris Short-nosed Skink Canseco-Marquez, Mendoza-Quijano, Ponce-Campos 2007 Smith & Taylor 1950 Zweifel 1954   Plestiodon callicephalus North American Mountain Skink Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018   Plestiodon indubitus Mexican Short-nosed Skink Auth, Smith & Chiszar 1997 Robinson 1979   Plestiodon lynxe Oak Forest Skink Auth, Smith, Brown & Lintz 2000 Bryson, Linkem, Pavon-Vazquez, Nieto-Montes de Oca, Klicka & McCormack 2017 Legler & Webb 1960 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Parker 1960 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Plestiodon obsoletus Great Plains Skink Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Hall 1976 Jones & Lovich (eds.) 2009 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Scincella (South Asian and American Ground Skinks)   Scincella lateralis North American Ground Skink Garcia-Vazquez, Canseco-Marquez & Nieto-Montes de Oca 2010 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith, Auth & Chiszar 1997 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013  Family Teiidae (Greater Tejus) Genus Aspidoscelis (Northern Whiptails)   Aspidoscelis costatus Western Mexican Whiptail Crossin, Soule, Webb & Baker 1973 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962   Aspidoscelis inornatus Lesser Striped Whiptail Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Maslin & Secoy 1986 Tanner 1987 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Hensley 1959 Williams 1968   Aspidoscelis marmoratus Marbled Whiptail Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 [as tigris] Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Maslin & Secoy 1986 Smith & Taylor 1950 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Zweifel 1959   Aspidoscelis scalaris Plateau Spotted Whiptail Auth, Smith, Brown & Lintz 2000 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 [as gularis] Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Jones & Lovich (eds.) 2009 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 [as gularis] Maslin & Secoy 1986 Smith & Taylor 1950 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Walker 1981  Family Xantusiidae (Night Lizards) Genus Xantusia (Northern Night Lizards)   * Xantusia bolsonae Bolson Night Lizard Flores-Villela, Sanchez-Herrera & Bezy 1990 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Leavitt, Bezy, Crandall & Sites 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Xantusia extorris Durangan Night Lizard Bezy & Flores-Villela 1999 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 [as vigilis] Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013

	Snakes (Serpentes)
	= endemicEX = extinct or assumed extinct Species References  Family Boidae (Typical Boas) Genus Boa (Red-tailed Boas)   Boa sigma West Mexican Red-tailed Boa Crossin, Soule, Webb & Baker 1973 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1945 [as Constrictor constrictor imperator] Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 [as B. constrictor]  Family Colubridae (Typical Snakes or Colubrids) Genus Arizona (Glossy Snakes)   Arizona elegans Eastern Glossy Snake Auth, Smith, Brown & Lintz 2000 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Bogertophis (Desert Rat Snakes)   Bogertophis subocularis Trans-Pecos Rat Snake Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2016 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Schulz 1996 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Worthington 1980 Genus Coniophanes (Black-striped Snakes)   Coniophanes lateritius West Mexican Stripeless Snake Lara-Resendiz, Wyman & Rosen 2016 Genus Conopsis (Mexican Earth Snakes)   Conopsis nasus Large-nosed Earth Snake Auth, Smith, Brown & Lintz 2000 Goyenechea & Flores-Villela 2006 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1945 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962 Webb & Hensley 1959 Genus Diadophis (Ring-necked Snake)   Diadophis punctatus Ring-necked Snake Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Drymarchon (Indigo Snakes and Cribos)   Drymarchon melanurus Black-tailed Cribo Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Muniz-Martinez & Valdez-Lares 2011 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Geophis (Central American Earth Snakes)   Geophis dugesii Tangancicuaro Earth Snake Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Wilson & Townsend 2007 Genus Gyalopion (Western Hook-nosed Snakes)   Gyalopion canum Chihuahuan Hook-nosed Snake Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Hardy 1975 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Heterodon (North American Hognose Snakes)   Heterodon kennerlyi Mexican Hognose Snake Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 [as nasicus] Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1945 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Hypsiglena (North American Night Snakes)   Hypsiglena janii Chihuahuan Night Snake Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Mulcahy 2008 Smith & Taylor 1945 [as H. o. ochrorhyncha] Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Zweifel 1954   Hypsiglena torquata Sinaloan Night Snake Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1945 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962 Genus Lampropeltis (King Snakes and Milk Snakes)   Lampropeltis alterna Grey-banded Kingsnake Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Hansen & Salmon 2017 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Markel 1990 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Lampropeltis greeri Durango Kingsnake Gehlbach & Baker 1962 Hansen & Salmon 2017 Hansen, Rodriguez & Grunwald 2011 [as mexicana] Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 [as mexicana] Savage & Hansen 2009 [as mexicana] Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 [as mexicana] Webb 1961   Lampropeltis splendida Desert Kingsnake Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 [as getula] Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 [as getula] Zweifel 1954   Lampropeltis webbi Sinaloan Mountain King Snake Bryson, Dixon & Lazcano 2005 Hansen & Salmon 2017 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Leptodeira (Typical Cat-eyed Snakes)   Leptodeira splendida Splendid Cat-eyed Snake Barrio-Amoros 2019 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares & Muniz-Martinez 2011 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Leptophis (Neotropical Parrot Snakes)   Leptophis diplotropis Twin-keeled Parrot Snake Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares & Muniz-Martinez 2011 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Masticophis (North American Whip Snakes and Coachwhips)   Masticophis bilineatus Sonoran Whip Snake Camper & Dixon 1994 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Masticophis flagellum Common Coachwhip Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1945 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Wilson 1973   Masticophis lineatus Mexican Whip Snake Johnson 1977 [as striolatus] Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 [as M. mentovarius] O'Connell & Smith 2018 Valdez-Lares & Gadsden-Esparza 2014 [as striolatus] Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 [as M. mentovarius]   Masticophis taeniatus Western Striped Whip Snake Auth, Smith, Brown & Lintz 2000 Camper & Dixon 1994 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Parker 1982 Smith & Taylor 1945 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Mastigodryas (Neotropical Lizard Eaters)   Mastigodryas cliftoni West Mexican Lizard Eater Heimes 2016 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Montingelli 2009 Montingelli, Grazziotin, Battilana, Murphy, Zhang & Zaher 2019 Ponce-Campos & Huerta-Ortega 1998 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Nerodia (North American Water Snakes)   Nerodia erythrogaster Plain-bellied Water Snake Auth, Smith, Brown & Lintz 2000 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Conant 1969 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Gibbons & Dorcas 2004 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 McCranie 1990 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Oxybelis (Neotropical Vine Snakes)   Oxybelis microphthalmus Thornscrub Vine Snake Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 [as aeneus] Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 [as aeneus] Webb & Baker 1962 [as aeneus] Genus Pantherophis (North American Rat Snakes)   Pantherophis emoryi Great Plains Rat Snake Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 [as Elaphe guttata] Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Pituophis (Bullsnakes, Pine Snakes and Gopher Snakes)   Pituophis catenifer Gopher Snake Bryson, Garcia-Vazquez & Riddle 2011 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Conant 1965 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Schatti, Heimes, Tillack, Kucharzewski & Coeto 2020 Sweet & Parker 1990 [as P. melanoleucus] Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Zweifel 1954   Pituophis deppei Mexican Bullsnake Auth, Smith, Brown & Lintz 2000 Bryson, Garcia-Vazquez & Riddle 2011 Conant 1965 Duellman 1960 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1945 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Pseudoficimia (False Hook-nosed Snake)   Pseudoficimia frontalis False Hook-nosed Snake Crossin, Soule, Webb & Baker 1973 Hardy 1972 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962 [as hiltoni] Genus Rhadinaea (Graceful Brown Snakes)   Rhadinaea laureata Crowned Graceful Brown Snake Auth, Smith, Brown & Lintz 2000 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Myers 1974 Smith & Taylor 1945 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Rhinocheilus (Long-nosed Snakes)   Rhinocheilus lecontei Common Long-nosed Snake Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Medica 1975 Medica 1980 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Hensley 1959 Genus Salvadora (Patch-nosed Snakes)   Salvadora bairdii Central Mexican Patch-nosed Snake Hernandez-Jimenez, Flores-Villela, Aguilar-Bremauntz & Campbell 2021 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Salvadora deserticola Big Bend Patch-nosed Snake Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Salvadora lineata Lined Patch-nosed Snake Auth, Smith, Brown & Lintz 2000 Heimes 2016 Hernandez-Jimenez, Flores-Villela, Aguilar-Bremauntz & Campbell 2021 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 [as S. grahamiae] Smith & Taylor 1945 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 [as S. grahamiae] Genus Senticolis (American Green Rat Snake)   Senticolis triaspis American Green Rat Snake Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Schulz 1996 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Sonora (North American Ground, Sand, and Shovel-nosed Snakes)   Sonora semiannulata Western Ground Snake Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Frost 1983 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Genus Storeria (North American Brown Snakes)   Storeria storerioides Mexican Brown Snake Anderson 1960 Auth, Smith, Brown & Lintz 2000 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1945 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962 Genus Tantilla (American Centipede Snakes)   Tantilla atriceps Mexican Black-headed Centipede Snake Cole & Hardy 1981 Cole & Hardy 1983 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Wilson & Mata-Silva 2014 Wilson & Mata-Silva 2015   Tantilla bocourti Guanajuato Centipede Snake Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 McDiarmid & Folke 1991 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962 Wilson & Mata-Silva 2014   Tantilla nigriceps Plains Centipede Snake Heimes 2016 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Wilson & Mata-Silva 2014 Wilson & Mata-Silva 2015   Tantilla wilcoxi Chihuahuan Centipede Snake Auth, Smith, Brown & Lintz 2000 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Hensley 1959 Wilson & Mata-Silva 2014 Wilson & Mata-Silva 2015 Wilson 1983 Genus Thamnophis (North American Garter Snakes and Ribbon Snakes)   Thamnophis cyrtopsis Black-necked Garter Snake Auth, Smith, Brown & Lintz 2000 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Chrapliwy & Fugler 1955 Crossin, Soule, Webb & Baker 1973 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1945 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Thamnophis eques Mexican Garter Snake Auth, Smith, Brown & Lintz 2000 Conant 1963 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Rossman, Ford & Seigel 1996 Smith & Taylor 1945 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Thamnophis errans Mexican Terrestrial Garter Snake Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Rossman & Burbrink 2005 Rossman, Ford & Seigel 1996 Smith & Taylor 1945 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb 1976   Thamnophis foxi Durango Mountain Meadow Snake Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Rossman & Van Wallach 1987 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Wallach, Williams & Boundy 2014   Thamnophis marcianus Checkered Garter Snake Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Smith & Taylor 1945 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Thamnophis melanogaster Mexican Black-bellied Garter Snake Auth, Smith, Brown & Lintz 2000 Conant 1963 Crossin, Soule, Webb & Baker 1973 Heimes 2016 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Rossman, Ford & Seigel 1996 Smith & Taylor 1945 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Thamnophis nigronuchalis Durango Narrow-headed Garter Snake Auth, Smith, Brown & Lintz 2000 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Rossman, Ford & Seigel 1996 Tanner 1990 [as rufipunctatus (part)] Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Thamnophis pulchrilatus Yellow-throated Garter Snake Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Rossman, Ford & Seigel 1996 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Thamnophis unilabialis Chihuahua Narrow-headed Garter Snake Heimes 2016 Lemos-Espinal & Smith 2007 [as rufipunctatus] Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Rossman, Ford & Seigel 1996 [as rufipunctatus] Smith & Taylor 1945 [as rufipunctatus] Tanner 1990 [as rufipunctatus (part)] Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Thamnophis validus Mexican West Coast Garter Snake Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Genus Trimorphodon (Lyre Snakes)   Trimorphodon tau Mexican Lyre Snake Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Scott & McDiarmid 1984 Smith & Taylor 1945 [as T. upsilon] Valdez-Lares & Gadsden-Esparza 2014  Family Elapidae [part 1: terrestrial species] (Cobras, Mambas, etc.) Genus Micrurus (American Coral Snakes)   Micrurus tener Texas Coral Snake Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018  Family Leptotyphlopidae (Thread Snakes) Genus Rena (Maroon Thread Snakes)   Rena segrega Trans-Pecos Thread Snake Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 [as Leptotyphlops humilis] Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Hahn 1980 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 [as Leptotyphlops humilis]  Family Viperidae (Vipers) Genus Crotalus (Typical Rattlesnakes)   Crotalus atrox Western Diamondback Rattlesnake Campbell & Lamar 2004 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Crotalus lepidus Common Rock Rattlesnake Bryson, Linkem, Dorcas, Lathrop, Jones, Alvarado-Diaz, Grunwald & Murphy 2014 Campbell & Lamar 2004 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Dorcas 1992 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Muniz-Martinez & Valdez-Lares 2012 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Crotalus molossus Western Black-tailed Rattlesnake Auth, Smith, Brown & Lintz 2000 Campbell & Lamar 2004 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Fouquette & Rossman 1963 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Muniz-Martinez & Valdez-Lares 2012 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962   Crotalus pricei Twin-spotted Rattlesnake Auth, Smith, Brown & Lintz 2000 Campbell & Lamar 2004 Chrapliwy & Fugler 1955 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Muniz-Martinez & Valdez-Lares 2012 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Baker 1962   Crotalus scutulatus Mojave Rattlesnake Campbell & Lamar 2004 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Muniz-Martinez & Valdez-Lares 2012 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Watson, Spencer, Schield, Butler, Smith, Flores-Villela, Campbell, Mackessy, Castoe & Meik 2019   Crotalus stejnegeri Northern Long-tailed Rattlesnake Campbell & Lamar 2004 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Muniz-Martinez & Valdez-Lares 2012 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Crotalus willardi Ridge-nosed Rattlesnake Campbell & Lamar 2004 Heimes 2016 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Muniz-Martinez & Valdez-Lares 2012 Reyes-Velasco, Grunwald, Jones & Weatherman 2008 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013

	Turtles (Testudines)
	= endemicEX = extinct or assumed extinct Species References  Family Emydidae (Western Pond Turtles) Genus Trachemys (Slider Turtles)   Trachemys gaigeae Big Bend Slider Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018   Trachemys hartwegi Nazas Slider Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 [as scripta] Chrapliwy & Fugler 1955 [as gaigeae] Dijk 2011 Fritz & Havas 2006 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 [as gaigeae] Iverson 1992 Legler & Vogt 2013 Legler 1990 Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Smith & Taylor 1950 [as gaigeae] Stuart & Ward 2009 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Wermuth & Mertens 1977 [as gaigeae]  Family Kinosternidae (American Mud and Musk Turtles) Genus Kinosternon (American Mud Turtles)   Kinosternon durangoense Durango Mud Turtle Fritz & Havas 2006 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Iverson 1992 Legler & Vogt 2013 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Kinosternon hirtipes Mexican Rough-footed Mud Turtle Auth, Smith, Brown & Lintz 2000 Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013   Kinosternon integrum Mexican Mud Turtle Bonin, Devaux & Dupre 2006 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Webb & Hensley 1959  Family Testudinidae (Tortoises) Genus Gopherus (Gopher Tortoises)   Gopherus flavomarginatus Bolson Tortoise Fritz & Havas 2006 Iverson 1992 Legler & Vogt 2013 Lemos-Espinal & Smith 2007 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Rhodin, Iverson, Bour, Fritz, Georges, Shaffer & Dijk 2021 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 Wermuth & Mertens 1977