Lizards of Mexico   Knob-scaled Lizards (Xenosauridae)   Related checklists:  Mexico (main menu) - Lizards 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:

	Lizards (Sauria)
	= endemicEX = extinct or assumed extinct Species References  Family Xenosauridae (Knob-scaled Lizards) Genus Xenosaurus (Knob-scaled Lizards)   * Xenosaurus agrenon Mountain Knob-scaled Lizard Casas-Andreu, Mendez-de la Cruz & Aguilar-Miguel 2004 [as grandis] Garcia-Vazquez, Canseco-Marquez, Aguilar-Lopez, Solano-Zavaleta & Maceda-Cruz 2009 [as grandis] Garcia-Vazquez, Canseco-Marquez, Gutierrez-Mayen & Trujano-Ortega 2009 [as grandis] Jimenez-Arcos, Martinez-Perez, Lozano-Aguilar & Calzada-Arciniega 2019 King & Thompson 1968 Lara-Gongora 1986 [as g. grandis] Lemos-Espinal, Smith & Woolrich-Pina 2012 Liner 1994 Liner 2007 Mata-Silva, Garcia-Padilla, Rocha, DeSantis, Johnson, Ramirez-Bautista & Wilson 2021 Mata-Silva, Johnson, Wilson & Garcia-Padilla 2015 Nieto-Montes de Oca, Garcia-Vazquez, Zuniga-Vega & Schmidt-Ballardo 2013 Smith & Taylor 1950 [as g. grandis] Wermuth 1969 [as g. grandis] Wilson, Mata-Silva & Johnson 2013 Woolrich-Pina & Smith 2012 Woolrich-Pina, Garcia-Padilla, DeSantis, Johnson, Mata-Silva & Wilson 2017 [as grandis]   * Xenosaurus arboreus Arboreal Knob-scaled Lizard King & Thompson 1968 Lemos-Espinal, Smith & Woolrich-Pina 2012 Liner 1994 Liner 2007 Mata-Silva, Garcia-Padilla, Rocha, DeSantis, Johnson, Ramirez-Bautista & Wilson 2021 Nieto-Montes de Oca, Garcia-Vazquez, Zuniga-Vega & Schmidt-Ballardo 2013 Wermuth 1969   * Xenosaurus fractus Huehuetla Knob-scaled Lizard Nieto-Montes de Oca, Sanchez-Vega & Duran-Fuentes 2018 Woolrich-Pina, Alvarado-Hernandez, Mora-Guzman, Arellano-Carcamo, Olvera-Arrieta, Gonzalez-Gonzalez & Sosa-Villanueva 2016 [as tzacualtipantecus] Woolrich-Pina, Garcia-Padilla, DeSantis, Johnson, Mata-Silva & Wilson 2017 [as tzacualtipantecus]   * Xenosaurus grandis Common Knob-scaled Lizard Auth, Smith, Brown & Lintz 2000 Casas-Andreu, Mendez-de la Cruz & Camarillo 1996 Ceron de la Luz, Lemos-Espinal & Smith 2016 Flores-Villela 1993 King & Thompson 1968 Koehler 2000 Lemos-Espinal, Smith & Woolrich-Pina 2012 [as grandis X rackhami] Liner 1994 Liner 2007 Mata-Silva, Garcia-Padilla, Rocha, DeSantis, Johnson, Ramirez-Bautista & Wilson 2021 Mata-Silva, Johnson, Wilson & Garcia-Padilla 2015 Nieto-Montes de Oca, Garcia-Vazquez, Zuniga-Vega & Schmidt-Ballardo 2013 Smith & Taylor 1950 Torres-Hernandez, Ramirez-Bautista, Cruz-Elizalde, Hernandez-Salinas, Berriozabal-Islas, DeSantis, Johnson, Rocha, Garcia-Padilla, Mata-Silva, Fucsko & Wilson 2021 Vasquez-Cruz & Canseco-Marquez 2020 Wermuth 1969 Wilson & Johnson 2010 Wilson, Mata-Silva & Johnson 2013 Woolrich-Pina & Smith 2012   * Xenosaurus manipulus Sierra de Juarez Knob-scaled Lizard Nieto-Montes de Oca, Castresana-Villanueva, Canseco-Marquez & Campbell 2022   * Xenosaurus mendozai Queretaro Knob-scaled Lizard Cruz-Elizalde, Ramirez-Bautista, Hernandez-Salinas, Berriozabal-Islas & Wilson 2019 Cruz-Elizalde, Ramirez-Bautista, Pineda-Lopez, Mata-Silva, DeSantis, Garcia-Padilla, Johnson, Rocha, Fucsko & Wilson 2022 Dixon & Lemos-Espinal 2010 [as Xenosaurus sp.] Lemos-Espinal, Smith & Woolrich-Pina 2012 [as Xenosaurus sp.] Nieto-Montes de Oca, Garcia-Vazquez, Zuniga-Vega & Schmidt-Ballardo 2013 Ramirez-Bautista, Hernandez-Salinas, Cruz-Elizalde, Berriozabal-Islas, Moreno-Lara, DeSantis, Johnson, Garcia-Padilla, Mata-Silva & Wilson 2020 Zamora-Abrego, Chang, Zuniga-Vega, Nieto-Montes de Oca & Johnson 2010 [as Xenosaurus sp.]   * Xenosaurus newmanorum San Luis Potosi Knob-scaled Lizard Flores-Villela 1993 King & Thompson 1968 Lara-Tufino, Ramirez-Bautista, Hernandez-Austria, Wilson & Berriozabal-Islas 2013 Lemos-Espinal & Dixon 2013 Lemos-Espinal, Smith & Woolrich-Pina 2012 Lemos-Espinal, Smith & Woolrich-Pina 2018 Liner 1994 Liner 2007 Nieto-Montes de Oca, Garcia-Vazquez, Zuniga-Vega & Schmidt-Ballardo 2013 Ramirez-Bautista, Hernandez-Salinas, Cruz-Elizalde, Berriozabal-Islas, Moreno-Lara, DeSantis, Johnson, Garcia-Padilla, Mata-Silva & Wilson 2020 Smith & Taylor 1950 Taylor 1949 Wermuth 1969 Wilson & Johnson 2010 Wilson, Mata-Silva & Johnson 2013 Woolrich-Pina & Smith 2012   * Xenosaurus penai Guerreran Knob-scaled Lizard Lemos-Espinal, Smith & Woolrich-Pina 2012 Liner 2007 Nieto-Montes de Oca, Garcia-Vazquez, Zuniga-Vega & Schmidt-Ballardo 2013 Palacios-Aguilar & Flores-Villela 2018 Perez-Ramos, Riva & Uribe-Pena 2000 Perez-Ramos, Saldana de la Riva & Campbell 2000 Wilson & Johnson 2010 Wilson, Mata-Silva & Johnson 2013   * Xenosaurus phalaroanthereon Chin-spotted Knob-scaled Lizard Casas-Andreu, Mendez-de la Cruz & Aguilar-Miguel 2004 Garcia-Padilla & Mata-Silva 2014 Lemos-Espinal, Smith & Woolrich-Pina 2012 Liner 2007 Mata-Silva, Garcia-Padilla, Rocha, DeSantis, Johnson, Ramirez-Bautista & Wilson 2021 Mata-Silva, Johnson, Wilson & Garcia-Padilla 2015 Nieto-Montes de Oca, Campbell & Flores-Villela 2001 Nieto-Montes de Oca, Garcia-Vazquez, Zuniga-Vega & Schmidt-Ballardo 2013 Wilson & Johnson 2010 Wilson, Mata-Silva & Johnson 2013 Woolrich-Pina & Smith 2012   * Xenosaurus platyceps Flat-headed Knob-scaled Lizard Flores-Villela 1993 King & Thompson 1968 Lemos-Espinal, Smith & Woolrich-Pina 2012 Liner 1994 Liner 2007 Martin 1955 [as newmanorum] Martin 1958 [as newmanorum] Nieto-Montes de Oca, Garcia-Vazquez, Zuniga-Vega & Schmidt-Ballardo 2013 Teran-Juarez, Garcia-Padilla, Mata-Silva, Johnson & Wilson 2016 Wermuth 1969 Wilson & Johnson 2010 Wilson, Mata-Silva & Johnson 2013 Woolrich-Pina & Smith 2012   Xenosaurus rackhami Chiapan Knob-scaled Lizard Alvarez del Toro 1982 Barragan-Vazquez, Rios-Rodas, Fucsko, Porras, Mata-Silva, Rocha, DeSantis, Garcia-Padilla, Johnson & Wilson 2022 Johnson, Ely & Webb 1976 Johnson, Mata-Silva, Garcia-Padilla & Wilson 2015 King & Thompson 1968 Koehler 2000 Lemos-Espinal, Smith & Woolrich-Pina 2012 Liner 1994 Liner 2007 Mata-Silva, Garcia-Padilla, Rocha, DeSantis, Johnson, Ramirez-Bautista & Wilson 2021 Mata-Silva, Johnson, Wilson & Garcia-Padilla 2015 McCoy & Horn 1962 Nieto-Montes de Oca, Garcia-Vazquez, Zuniga-Vega & Schmidt-Ballardo 2013 Peters & Donoso-Barros 1970 Smith & Taylor 1950 Wermuth 1969 Wilson, Mata-Silva & Johnson 2013   * Xenosaurus rectocollaris Pallid Knob-scaled Lizard Canseco Marquez & Gutierrez Mayen 2006 Canseco-Marquez, Gutierrez-Mayen & Salazar-Arenas 2000 Garcia-Vazquez, Canseco-Marquez, Gutierrez-Mayen & Trujano-Ortega 2009 Lemos-Espinal, Smith & Woolrich-Pina 2012 Liner 1994 Liner 2007 Mata-Silva, Garcia-Padilla, Rocha, DeSantis, Johnson, Ramirez-Bautista & Wilson 2021 Mata-Silva, Johnson, Wilson & Garcia-Padilla 2015 Nieto-Montes de Oca, Garcia-Vazquez, Zuniga-Vega & Schmidt-Ballardo 2013 Smith & Iverson 1993 Torres-Hernandez, Ramirez-Bautista, Cruz-Elizalde, Hernandez-Salinas, Berriozabal-Islas, DeSantis, Johnson, Rocha, Garcia-Padilla, Mata-Silva, Fucsko & Wilson 2021 Wilson & Johnson 2010 Wilson, Mata-Silva & Johnson 2013 Woolrich-Pina & Smith 2012 Woolrich-Pina, Garcia-Padilla, DeSantis, Johnson, Mata-Silva & Wilson 2017   * Xenosaurus sanmartinensis San Martin Knob-scaled Lizard King & Thompson 1968 Lemos-Espinal, Smith & Woolrich-Pina 2012 Liner 1994 Liner 2007 Nieto-Montes de Oca, Garcia-Vazquez, Zuniga-Vega & Schmidt-Ballardo 2013 Wermuth 1969   * Xenosaurus tzacualtipantecus Zacualtipan Knob-scaled Lizard Camarillo-Rangel 1998 [as newmanorum] Flores-Hernandez, Fernandez-Badillo & Olvera Olvera 2016 Lemos-Espinal & Smith 2015 Lemos-Espinal, Smith & Woolrich-Pina 2012 [as Xenosaurus sp.] Nieto-Montes de Oca, Garcia-Vazquez, Zuniga-Vega & Schmidt-Ballardo 2013 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 [as Xenosaurus sp.] Torres-Hernandez, Ramirez-Bautista, Cruz-Elizalde, Hernandez-Salinas, Berriozabal-Islas, DeSantis, Johnson, Rocha, Garcia-Padilla, Mata-Silva, Fucsko & Wilson 2021 Wilson, Mata-Silva & Johnson 2013 Woolrich-Pina & Smith 2012