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Xantusia sanchezi BEZY & FLORES-VILLELA, 1999

IUCN Red List - Xantusia sanchezi - Least Concern, LC
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Higher TaxaXantusiidae (Xantusiinae), Scincoidea, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Sanchez's Night Lizard
S: Nocturna de Sanchez 
SynonymXantusia sanchezi BEZY & FLORES-VILLELA 1999
Xantusia sanchezi — VICARIO et al. 2003
Xantusia sanchezi — SINCLAIR et al. 2004
Xantusia sanchezi — JOHNSON et al. 2017
Xantusia sanchezi — CORTÉS-VÁZQUEZ et al. 2022 
DistributionMexico (Zacatecas, Jalisco)

Type locality: 5 km (via Hwy 54) N Moyahua de Estrada, Municipio de Moyahua, Zacatecas, Mexico (21° 190' N, 103° 10' W; approx. 1200 m elevation)  
Reproductionovovivparous 
TypesHolotype: MZFC 4756 
Diagnosis 
Comment 
EtymologyNamed after Oscar Sánchez, Mexican herpetologist and conservationist. This taxon is a member of one of the most basal clades in the genus, and may represent a plausible relict predating the geographical separation of the genera Xantusia and Lepidophyma (Bezy and Flores-Villela, 1999). 
References
  • AHUMADA-CARRILLO, I. T., C. I. GRUNWALD, M. A. LOPEZ CUELLAR, AND J. M. JONES 2020. Some Records of Amphibians and Reptiles from the Wixarica Region in the State of Jalisco, Mexico. Herpetological Review 51: 277-281.
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Bezy, Robert L. and Oscar Flores Villela. 1999. A new species of Xantusia (Squamata: Xantusiidae) from Zacatecas, Mexico. Herpetologica 55 (2): 174-184. - get paper here
  • Cortés-Vázquez, S., Núñez-Carrillo, L. C., Cruz-Sáenz, D., Carrasco-Ortiz, M. A., Rodríguez-López, A., Lazcano, D., ... & Wilson, L. D. 2022. Notes on the Herpetofauna of Western Mexico 29: Herpetofauna of Natural Protected Area “El Diente,” Zapopan, Jalisco, Mexico. Bulletin of the Chicago Herpetological Society, 57(10), 177-185 - get paper here
  • Cruz-Sáenz, Daniel and David Lazcano. 2010. Notes on the Herpetofauna of Western Mexico 3: Herpetofauna Sympatric with Xantusia sanchezi in an Oak Forest of Jalisco, Mexico. Bull. Chicago Herp. Soc. 45 (11):173-176 - get paper here
  • Cruz-Sáenz, Daniel and David Lazcano. 2012. Biological and ecological aspects of Xantusia sanchezi, an endangered lizard in an oak forest in the state of Jalisco, Mexico. Revista Mexicana de Biodiversidad 83: 129-132 - get paper here
  • Cruz-Sáenz, Daniel, Ortega Santiago, José Luis and David Lazcano. 2013. Notes on the Herpetofauna of Western Mexico 8: Diet Items of the Zacatecas Night Lizard, Xantusia sanchezi, in an Oak Forest of Jalisco, Mexico. Bull. Chicago Herp. Soc. 48 (5): 67-69 - get paper here
  • Johnson, J. D., L. D. Wilson, V. Mata-Silva, E. García-Padilla, and D. L. DeSantis. 2017. The endemic herpetofauna of Mexico: organisms of global significance in severe peril. Mesoamerican Herpetology 4(3): 544–620 - get paper here
  • Ponce-Campos, P.; Huerta Ortega, S.M.; Noguiera González, C. & Smith, H.M. 2001. Natural history notes on the Southern Plateau Night Lizard, Xantusia sanchezi. Bull. Maryland Herp. Soc. 37 (1): 18-21 - get paper here
  • Reyes-Velasco, J., Grünwald, C. I., Jones, J. M., Price, M. S. & Fisher, J. T. 2012. New distributional records for the herpetofauna of Mexico. Herpetological Review 43: 451-453 - get paper here
  • Rojo-Gutierrez, J. R., Salcido-Rodríguez, I., Amaral-Medrano, D. A., Cruz-Sáenz, D., Rodríguez-López, A., Lazcano, D., ... & Wilson, L. D. 2022. Notes on the Herpetofauna of Western Mexico 27: Amphibians and Reptiles of Palo Gordo, Sierra de Tesistán, Zapopan, Jalisco, Mexico. Bulletin of the Chicago Herpetological Society, 57(6), 109-113 - get paper here
  • Salcido-Rodríguez, Israel; Francisco Isaac Hernández-Valadez , Adriana Elizabeth Castillo-Franco , Daniel Cruz-Sáenz , Edgar Emmanuel Hernández-Juárez , David Lazcano , Lydia Allison Fucsko and Larry David Wilson 2023. Notes on the Herpetofauna of Western Mexico 31: Herpetofauna from Sierra de Tesistán, Zapopan,. Bulletin of the Chicago Herpetological Society 58(10):165-171 - get paper here
  • Sinclair, Elizabeth A.; Robert L. Bezy; Kathryn Bolles; Jose L. Camarillo R.; Keith A. Crandall and Jack W. Sites, Jr. 2004. Testing Species Boundaries in an Ancient Species Complex with Deep Phylogeographic History: Genus Xantusia (Squamata: Xantusiidae). American Naturalist 164 (3): 396-414 - get paper here
  • Vicario, Saverio; Adalgisa Caccone and Jacques Gauthier 2003. Xantusiid "night" lizards: a puzzling phylogenetic problem revisited using likelihood-based Bayesian methods on mtDNA sequences. Molecular Phylogenetics and Evolution 26 (2): 243-261 - get paper here
  • Wilson, Larry David; Vicente Mata-Silva, Jerry D. Johnson 2013. A conservation reassessment of the reptiles of Mexico based on the EVS measure. Amphibian & Reptile Conservation 7 (1): 1–47 - get paper here
 
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