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Xantusia bolsonae WEBB, 1970

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Higher TaxaXantusiidae (Xantusiinae), Scincoidea, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Bolson Night Lizard
S: Nocturna del Bolsón 
SynonymXantusia henshawi bolsonae WEBB 1970: 1
Xantusia henshawi bolsonae — LEE 1976
Xantusia bolsonae — LINER 1994
Xantusia bolsonae — SINCLAIR et al. 2004
Xantusia bolsonae — LINER & CASAS-ANDREU 2008
Xantusia bolsonae — JOHNSON et al. 2017 
DistributionMexico (Durango)

Type locality: 10 km NE Pedriceña, Durango, Mexico.  
Reproductionovoviviparous 
TypesHolotype: LACM 55956 
DiagnosisDiagnosis: A subspecies of X. henshawi differing from X. h. henshawi in having fewer longitudinal rows of dorsal scales (averaging 50 rather than 63), seven (instead of six) supralabials, fewer femoral pores (averaging 7 rather than 11), in mostly lacking microscopic dark peppering laterally on the belly, in having a narrower head in relation to body length (head width/body length averaging 0.16 rather than 0.18), and probably in attaining a smaller (body length 57 rather than 68 mm) maximal size. For further detail, see comparisons and relationships. (Webb 1970)


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CommentHabitat/Ecomorph: rock-crevice

Sympatry: with X. vigilis extorris (in E Durango) 
References
  • Bezy, R L 2019. Night Lizards. Field Memoirs and a Summary of the Xantusiidae. ECO Herpetological Publishing and Distribution, Rodeo, New Mexico, ii + 220 pp. [review in HR 51 (3): 636] - 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
  • Bezy,R.L. & SItes, J.W. 1987. A preliminary study of allozyme evolution in the lizard family Xantusiidae. Herpetologica 43: 281-289 - get paper here
  • Flores-Villela. O. and O. Sánchez 1990. nan Herpetological Review 21 (4): 97 - get paper here
  • Goldberg, Stephen R. and Robert L. Bezy. 2014. Xantusia bolsonae (Bolsón night lizard) reproduction. Herpetological Review 45 (3): 509-510 - 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
  • Lemos-Espinal JA, Smith GR, Gadsden-Esparza H, Valdez-Lares R, Woolrich-Piña GA 2018. Amphibians and reptiles of the state of Durango, Mexico, with comparisons with adjoining states. ZooKeys 748: 65-87 - get paper here
  • Noonan, Brice P.; Jennifer B. Pramuk, Robert L. Bezy, Elizabeth A. Sinclair, Kevin de Queiroz, Jack W. Sites Jr. 2013. Phylogenetic relationships within the lizard clade Xantusiidae: Using trees and divergence times to address evolutionary questions at multiple levels. Molecular Phylogenetics and Evolution, Volume 69, Issue 1, October 2013, Pages 109–122 - 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
  • Valdez-Lares, R.; R. Muñiz-Martínez; E.Gadsden; G. Aguirre-León; G. Castañeda-Gaytán; R. Gonzalez-Trápaga 2013. Checklist of amphibians and reptiles of the state of Durango, México. Check List 9 (4):714-724 - get paper here
  • Webb, Robert G. 1970. Another new night lizard (Xantusia) from Durango, Mexico. Contributions in Science, Los Angeles County Museum (194): 1-10 - get paper here
 
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