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Xenosaurus penai PÉREZ-RAMOS, DE LA RIVA & CAMPBELL, 2000

IUCN Red List - Xenosaurus penai - Least Concern, LC
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Higher TaxaXenosauridae, Diploglossa, Anguimorpha, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Pena's Knob-scaled Lizard
S: Xenosauro de Peña 
SynonymXenosaurus penai PÉREZ RAMOS, DE LA RIVA & CAMPBELL 2000
Xenosaurus penai — LINER & CASAS-ANDREU 2008
Xenosaurus penai — JOHNSON et al. 2017
Xenosaurus penai — NIETO-MONTES DE OCA et al. 2022 
DistributionMexico (Guerrero)

Type locality: Cerro Yucuchinio, 1 km NW Cerro Pico del Aguila, 1735 m, southeastern Guerrero, México. Corrected to 16° 59 'N, 98° 19' W by PALACIOS-AGUILAR 2020.  
Reproductionovovivparous 
TypesHolotype: CNAR (= UNAM = IBH) 6414, Instituto de Biologia 
Diagnosis 
CommentDistribution: see maps in WOOLRICH-PIÑA & SMITH 2012 and Nieto-Montes de Oca et al. 2022: 48 (Fig. 6).

Abundance: only known from its original description (Meiri et al. 2017). 
EtymologyNamed after Zeferino Uribe Pena, in recognition of his significant contributions to the knowledge of the Mexican fauna. The species' name is a noun in the genitive case. 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - 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
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
  • Nieto-Montes de Oca, Adrián; Anthony J. Barley, Rubi N. Meza-Lázaro, Uri O. García-Vázquez, Joan G. Zamora-Abrego, Robert C. Thomson, Adam D. Leaché 2016. Phylogenomics and species delimitation in the knob-scaled lizards of the genus Xenosaurus (Squamata: Xenosauridae) using ddRADseq data reveal a substantial underestimation of diversity. Molecular Phylogenetics and Evolution 106: 241-253 - get paper here
  • Nieto-Montes de Oca, Adrián; Nicté Castresana-Villanueva, Luis Canseco-Márquez & Jonathan A. Campbell 2022. A New Species of Xenosaurus (Squamata: Xenosauridae) from the Sierra de Juárez of Oaxaca, Mexico Herpetologica 78(1): 40–50. - get paper here
  • Nieto-Montes de Oca, Adrián; Uri O. García-Vázquez, J. Jaime Zúñiga-Vega and Walter Schmidt-Ballardo 2013. A new species of Xenosaurus (Squamata: Xenosauridae) from the Sierra Gorda Biosphere Reserve of Querétaro, Mexico. Revista Mexicana de Biodiversidad 84: 485-498 - get paper here
  • Palacios-Aguilar, Ricardo 2020. UNA LISTA COMENTADA DE LAS ESPECIES DE ANFIBIOS Y REPTILES CON LOCALIDAD TIPO EN GUERRERO, MÉXICO. Rev. Latinoamer. Herp. 3 (2): 43-60
  • Palacios-Aguilar, Ricardo & OSCAR FLORES-VILLELA 2018. An updated checklist of the herpetofauna from Guerrero, Mexico. Zootaxa 4422 (1): 1-24 - get paper here
  • Pérez Ramos, Edmundo; Lucia Saldaña de la Riva; Jonathan A. Campbell 2000. A new allopatric species of Xenosaurus (Squamata: Xenosauridae) from Guerrero, Mexico. Herpetologica 56 (4): 500-506 - get paper here
  • Woolrich-Piña, Guillermo A. and Geoffrey R. Smith 2012. A New Species of Xenosaurus from the Sierra Madre Oriental, Mexico. Herpetologica 68 (4): 551-559. - get paper here
 
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