Snakes of Mexico   Thread Snakes (Leptotyphlopidae)   Related checklists:  Mexico (main menu) - Snakes of Mexico (menu) - Aguascalientes - Baja California Norte - Baja California Sur - Campeche - Chiapas - Chihuahua - Coahuila - Colima - Distrito Federal - Durango - Guanajuato - Guerrero - Hidalgo - Jalisco - Mexico (state) - Michoacan - Morelos - Nayarit - Nuevo Leon - Oaxaca - Puebla - Queretaro - Quintana Roo - San Luis Potosi - Sinaloa - Sonora - Tabasco - Tamaulipas - Tlaxcala - Veracruz - Yucatan - Zacatecas Bibliography of the reptiles of Mexico

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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:

	Snakes (Serpentes)
	= endemicEX = extinct or assumed extinct Species References  Family Leptotyphlopidae (Thread Snakes) Genus Epictia (Neotropical Thread Snakes)   * Epictia bakewelli Colima Thread Snake Adalsteinsson, Branch, Trape, Vitt & Hedges 2009 [as goudotii] Alvarado-Diaz, Suazo-Ortuno, Wilson & Medina-Aguilar 2013 [as goudotii] Duellman 1956 [as Leptotyphlops gadowi] Duellman 1958 Duellman 1965 [as Leptotyphlops gadowi] Hahn 1980 [as phenops] Hernandez Juarez, Cruz Saenz, Rodriguez Lopez, Roldan Olvera & Ramos Leon 2020 Holman 1964 Lemos-Espinal, Smith, Pierce & Painter 2020 Liner 1994 Liner 2007 Mata-Silva, Garcia-Padilla, Rocha, DeSantis, Johnson, Ramirez-Bautista & Wilson 2021 Mata-Silva, Johnson, Wilson & Garcia-Padilla 2015 McCranie & Hedges 2016 McDiarmid, Campbell & Toure 1999 [as goudotii] Palacios-Aguilar & Flores-Villela 2018 Perez-Ramos, Riva & Uribe-Pena 2000 Reyes-Velasco, Grunwald, Jones & Ahumada-Carrillo 2020 Romo-Garcia & Gallardo-Arroyo 2007 Smith & Taylor 1945 Van Wallach (pers. comm. 1 December 2016) Wallach 2016   Epictia magnamaculata Caribbean Black Thread Snake Gonzalez-Sanchez, Johnson, Garcia-Padilla, Mata-Silva, DeSantis & Wilson 2017 Hahn 1980 [as Leptotyphlops goudotii phenops] McCranie & Hedges 2016 McCranie 2011 McDiarmid, Campbell & Toure 1999 [as goudotii] Smith & Taylor 1945 [as L. p. phenops] Wallach 2016   Epictia phenops Shiny Thread Snake Alvarez del Toro 1982 Barragan-Vazquez, Rios-Rodas, Fucsko, Porras, Mata-Silva, Rocha, DeSantis, Garcia-Padilla, Johnson & Wilson 2022 Hahn 1980 Johnson 1990 Johnson, Mata-Silva, Garcia-Padilla & Wilson 2015 Martins, Koch, Pinto, Folly, Fouquet & Passos 2019 Mata-Silva, Garcia-Padilla, DeSantis, Rocha, Wilson, Simon-Salvador, Mayoral-Halla, Montiel-Altamirano & Ramirez-Bautista 2017 Mata-Silva, Garcia-Padilla, Rocha, DeSantis, Johnson, Ramirez-Bautista & Wilson 2021 McCoy & Horn 1962 McCranie & Hedges 2016 Percino-Daniel, Cruz-Ocana, Pozo-Ventura & Velazquez-Velazquez 2013 [as goudotii] Perez-Higareda & Smith 1991 Smith & Taylor 1945 Torres-Hernandez, Ramirez-Bautista, Cruz-Elizalde, Hernandez-Salinas, Berriozabal-Islas, DeSantis, Johnson, Rocha, Garcia-Padilla, Mata-Silva, Fucsko & Wilson 2021 Wallach 2016   * Epictia resetari Veracruz Thread Snake Adalsteinsson, Branch, Trape, Vitt & Hedges 2009 [as goudotii] McCranie & Hedges 2016 [as phenops] McDiarmid, Campbell & Toure 1999 [as goudotii] Torres-Hernandez, Ramirez-Bautista, Cruz-Elizalde, Hernandez-Salinas, Berriozabal-Islas, DeSantis, Johnson, Rocha, Garcia-Padilla, Mata-Silva, Fucsko & Wilson 2021 Wallach 2016   * Epictia schneideri Guerrero Thread Snake Mata-Silva, Garcia-Padilla, Rocha, DeSantis, Johnson, Ramirez-Bautista & Wilson 2021 Palacios-Aguilar & Flores-Villela 2018 Wallach 2016   * Epictia vindumi Yucatan Thread Snake Gonzalez-Sanchez, Johnson, Garcia-Padilla, Mata-Silva, DeSantis & Wilson 2017 Hahn 1980 [as phenops] Lee 1996 [as Leptotyphlops goudotii phenops] Martins, Koch, Pinto, Folly, Fouquet & Passos 2019 [as E. phenops] McCranie & Hedges 2016 [as phenops] Ortiz Medina, Cabrera-Cen, Nahuat-Cervera & Chable-Santos 2020 Smith & Taylor 1945 [as p. phenops] Wallach 2016   * Epictia wynni Queretaran Thread Snake Cruz-Elizalde, Ramirez-Bautista, Hernandez-Salinas, Berriozabal-Islas & Wilson 2019 [as E. goudotii] Cruz-Elizalde, Ramirez-Bautista, Pineda-Lopez, Mata-Silva, DeSantis, Garcia-Padilla, Johnson, Rocha, Fucsko & Wilson 2022 Dixon & Lemos-Espinal 2010 [as E. goudotii] Dixon, Ketchersid & Lieb 1972 [as phenops] McCranie & Hedges 2016 [as phenops] Ramirez-Bautista, Hernandez-Salinas, Cruz-Elizalde, Berriozabal-Islas, Moreno-Lara, DeSantis, Johnson, Garcia-Padilla, Mata-Silva & Wilson 2020 Smith & Taylor 1945 [as p. phenops] Wallach 2016 Genus Rena (Maroon Thread Snakes)   * Rena boettgeri Cerralvo Island Thread Snake Banks & Farmer 1963 Grismer 2002 Hahn 1980 Heimes 2016 Liner 1994 Liner 2007 Wilson, Mata-Silva & Johnson 2013   * Rena bressoni Michoacan Thread Snake Ahumada-Carillo, Perez Rivera, Reyes-Velasco, Grunwald & Jones 2014 Alvarado-Diaz, Suazo-Ortuno, Wilson & Medina-Aguilar 2013 Auth, Smith, Brown & Lintz 2000 Cruz-Saenz, Munoz-Nolasco, Mata-Silva, Johnson, Garcia-Padilla & Wilson 2017 Duellman 1965 Flores-Villela 1993 Hahn 1980 Heimes 2016 Liner 1994 Liner 2007 McDiarmid, Campbell & Toure 1999 Medina-Aguilar, Alvarado-Diaz & Suazo-Ortuno 2011 Smith & Taylor 1945 Wilson & Johnson 2010 Wilson, Mata-Silva & Johnson 2013   * Rena dugesii Mexican Thread Snake Adalsteinsson, Branch, Trape, Vitt & Hedges 2009 [as R. humilis] Alvarado-Diaz, Suazo-Ortuno, Wilson & Medina-Aguilar 2013 [as R. humilis] Auth, Smith, Brown & Lintz 2000 Chavez-Avila, Casas-Andreu, Garcia-Aguayo, Cifuentes-Lemus & Cupul-Magana 2015 [as R. humilis] Cruz-Saenz, Guerrero-Vazquez, Lazcano & Tellez-Lopez 2009 [as Leptotyphlops humilis] Cruz-Saenz, Munoz-Nolasco, Mata-Silva, Johnson, Garcia-Padilla & Wilson 2017 [as R. humilis] Dixon, Sabbath & Worthington 1962 Duellman 1958 Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009 [as Leptotyphlops humilis] Hahn 1980 Hardy & McDiarmid 1969 Heimes 2016 Langebartel & Smith 1954 Lemos-Espinal & Smith 2007 Lemos-Espinal & Smith 2020 Lemos-Espinal, Smith, Pierce & Painter 2020 Lemos-Espinal, Smith, Woolrich-Pina & Cruz 2017 [as R. humilis] Liner 1994 Liner 2007 Loc-Barragan & Lazcano 2018 [as R. humilis] Martins, Koch, Pinto, Folly, Fouquet & Passos 2019 [as R. humilis] Nolasco-Luna, Barraza-Soltero, Lopez-Montes, Moreno-Lopez & Escobedo-Galvan 2022 [as R. humilis] Reyes-Velasco, Grunwald, Jones & Ahumada-Carrillo 2020 Smith & Taylor 1945 Smith, Lemos-Espinal & Heimes 2005 Tanner 1985 Woolrich-Pina, Ponce-Campos, Loc-Barragan, Ramirez-Silva, Mata-Silva, Johnson, Garcia-Padilla & Wilson 2016 [as R. humilis] Zweifel 1959   Rena dulcis Texas Thread Snake Auth, Smith, Brown & Lintz 2000 Contreras Arquieta & Lazcano Villarreal 1995 Cruz-Elizalde, Ramirez-Bautista, Hernandez-Salinas, Berriozabal-Islas & Wilson 2019 Cruz-Elizalde, Ramirez-Bautista, Johnson & Moreno 2014 Cruz-Elizalde, Ramirez-Bautista, Pineda-Lopez, Mata-Silva, DeSantis, Garcia-Padilla, Johnson, Rocha, Fucsko & Wilson 2022 Dixon & Lemos-Espinal 2010 Dixon, Ketchersid & Lieb 1972 Fernandez-Badillo & Goyenechea 2010 Fernandez-Badillo, Manriquez-Moran, Castillo-Ceron & Goyenechea 2016 Flores-Villela 1993 Garcia-Vazquez, Canseco-Marquez, Gutierrez-Mayen & Trujano-Ortega 2009 Hahn 1980 Heimes 2016 Hernandez-Salinas, Cruz-Elizalde, Berriosabal-Islas & Goyenechea 2011 Lazcano, Banda, Castaneda, Garcia-de la Pena & Rojas 2006 Lazcano, Contreras-Lozano, Gallardo-Valdez, Garcia del Pena & Castaneda 2009 Lazcano, Galvan & Kardon 2000 Lazcano, Nevarez-de los Reyes, Garcia-Padilla, Johnson, Mata-Silva, DeSantis & Wilson 2019 Lazcano, Sanchez-Almazan, Garcia-de la Pena, Castaneda & Contreras-Balderas 2007 Lemos-Espinal & Dixon 2013 Lemos-Espinal & Smith 2007 Lemos-Espinal & Smith 2015 Lemos-Espinal & Smith 2016 Lemos-Espinal & Smith 2020 Lemos-Espinal, Smith & Cruz 2016 Lemos-Espinal, Smith & Cruz 2018 Lemos-Espinal, Smith & Woolrich-Pina 2018 Lemos-Espinal, Smith, Woolrich-Pina & Cruz 2017 Liner 1994 Liner 2007 Martin 1958 Martins, Koch, Pinto, Folly, Fouquet & Passos 2019 Nevarez-de los Reyes, Lazcano, Garcia-Padilla, Mata-Silva, Johnson & Wilson 2016 Perez-Higareda & Smith 1991 Ramirez-Bautista, Hernandez-Salinas, Cruz-Elizalde, Berriozabal-Islas, Moreno-Lara, DeSantis, Johnson, Garcia-Padilla, Mata-Silva & Wilson 2020 Ramirez-Bautista, Hernandez-Salinas, Mendoza-Quijano, Cruz-Elizalde, Stephenson, Vite-Silva & Leyte-Manrique 2010 Reyes-Vera, Torres-Angeles & Iturbo-Morgado 2017 Schmidt 1953 Smith & Brandon 1968 Smith & Taylor 1945 Taylor 1949 Taylor 1953 Teran-Juarez, Garcia-Padilla, Mata-Silva, Johnson & Wilson 2016 Torres-Hernandez, Ramirez-Bautista, Cruz-Elizalde, Hernandez-Salinas, Berriozabal-Islas, DeSantis, Johnson, Rocha, Garcia-Padilla, Mata-Silva, Fucsko & Wilson 2021 Valdez-Renteria, Fernandez-Badillo, Olvera-Olvera, Sanchez-Martinez & Goyenechea 2018 Vite-Silva, Ramirez-Bautista & Hernandez-Salinas 2010 Wilson & Johnson 2010 Wilson, Mata-Silva & Johnson 2013 Woolrich-Pina, Garcia-Padilla, DeSantis, Johnson, Mata-Silva & Wilson 2017   Rena humilis Western Thread Snake Enderson, Quijada-Mascarenas, Turner, Rosen & Bezy 2009 Grismer 2002 Hahn 1980 Heimes 2016 Lemos-Espinal, Smith & Rorabaugh 2019 Liner 1994 Liner 2007 Loc-Barragan, Lazcano & Woolrich-Pina 2018 Martins, Koch, Pinto, Folly, Fouquet & Passos 2019 Rorabaugh 2008 Smith & Taylor 1945   * Rena iversoni Tamaulipan Thread Snake Auth, Smith, Brown & Lintz 2000 Smith, Breukelen, Auth & Chiszar 1998 Teran-Juarez, Garcia-Padilla, Mata-Silva, Johnson & Wilson 2016   * Rena klauberi Jalisco Thread Snake Flores-Villela, Smith, Canseco-Marquez & Campbell 2022   * Rena maxima Giant Thread Snake Alvarado-Diaz, Suazo-Ortuno, Wilson & Medina-Aguilar 2013 Auth, Smith, Brown & Lintz 2000 Camarillo-R. & Smith (in Strimple & Strimple) 1992 Canseco Marquez & Gutierrez Mayen 2006 Castro-Franco & Bustos-Zagal 1994 Davis & Smith 1953 Dixon, Sabbath & Worthington 1962 Flores-Villela 1993 Garcia-Vazquez, Canseco-Marquez, Gutierrez-Mayen & Trujano-Ortega 2009 Hahn 1980 Hall 1951 Heimes 2016 Lemos-Espinal & Smith 2020 Liner 1994 Liner 2007 Martinez-Coronel & Lopez-Hernandez 2008 Martins, Koch, Pinto, Folly, Fouquet & Passos 2019 Mata-Silva, Garcia-Padilla, Rocha, DeSantis, Johnson, Ramirez-Bautista & Wilson 2021 Mata-Silva, Johnson, Wilson & Garcia-Padilla 2015 McDiarmid, Campbell & Toure 1999 Medina-Aguilar, Alvarado-Diaz & Suazo-Ortuno 2011 Palacios-Aguilar & Flores-Villela 2018 Perez-Ramos, Riva & Uribe-Pena 2000 Smith & Taylor 1945 Webb & Fugler 1957 Wilson & Johnson 2010 Wilson, Mata-Silva & Johnson 2013 Woolrich-Pina, Garcia-Padilla, DeSantis, Johnson, Mata-Silva & Wilson 2017   Rena segrega Trans-Pecos Thread Snake Castaneda-Gaytan, Garcia-de la Pena, Lazcano & Salas-Westphal 2005 [as Leptotyphlops humilis] Contreras Arquieta & Lazcano Villarreal 1995 Gadsden, Estrada-Rodrigues & Leyva-Pacheco 2006 Hahn 1980 Heimes 2016 Lazcano, Nevarez-de los Reyes, Garcia-Padilla, Johnson, Mata-Silva, DeSantis & Wilson 2019 Lemos-Espinal & Dixon 2013 Lemos-Espinal & Smith 2007 Lemos-Espinal & Smith 2016 Lemos-Espinal, Smith & Cruz 2018 Lemos-Espinal, Smith & Woolrich-Pina 2018 Lemos-Espinal, Smith, Gadsden-Esparza, Valdez-Lares & Woolrich-Pina 2018 Lemos-Espinal, Smith, Woolrich-Pina & Cruz 2017 Liner 1994 Liner 2007 Martins, Koch, Pinto, Folly, Fouquet & Passos 2019 Nevarez-de los Reyes, Lazcano, Garcia-Padilla, Mata-Silva, Johnson & Wilson 2016 Smith & Taylor 1945 Tanner 1985 [as Leptotyphlops humilis chihuahuaensis] Taylor 1949 Valdez-Lares & Gadsden-Esparza 2014 Valdez-Lares, Muniz-Martinez, Gadsden, Aguirre-Leon, Castaneda-Gaytan & Gonzalez-Trapaga 2013 [as Leptotyphlops humilis] Webb 1982 Zweifel 1954