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Xantusia sherbrookei BEZY, BEZY & BOLLES, 2008

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Higher TaxaXantusiidae (Xantusiinae), Scincoidea, Sauria, Squamata (lizards) 
Subspecies 
Common Names 
SynonymXantusia sherbrookei BEZY, BEZY & BOLLES 2008
Xantusia sherbrookei — JOHNSON et al. 2017 
DistributionMexico (Baja California Sur)

Type locality: 9.6 km (by road) north of La Poza Grande, Baja California Sur, Mexico, ~ 25.851702°N, 112.052972° W, approximately 50 m elevation.  
Reproductionviviparous 
TypesHolotype: UAZ 17397, collected on 23 July 1965 by R. L. Bezy and W. C. Sherbrooke. 
DiagnosisDiagnosis. Xantusia sherbrookei differs from X. riversiana, X. henshawi, X. gracilis, and X. bolsonae in having fewer longitudinal rows of ventral scales at midbody (12 vs. 14–16); from X. arizonae, X. bezyi, and X. sierrae in having fewer dorsal scales around midbody (32–36 vs. 40–49); from X. sanchezi in having fewer undivided lamellae beneath the fourth toe (1–4 vs. 7–9); from X. jaycolei in having conspicuous femoral pores in females (pores well developed vs. absent or marked by faint shallow depressions in females; Fig. 4); from X. wigginsi in having fewer transverse rows of ventrals between the vent and the gular fold (29–32 vs. 33–35); from X. extorris in having a higher fifth supralabial (Fig. 8 in BEZY et al. 2008); from X. vigilis in having a higher seventh supralabial (Fig. 8); and from X. gilberti in having small scales bordering the labium posterior to the fifth infralabial (vs. enlarged sixth and seventh infralabials bordering the labium; Fig. 5) and in having larger dorsal spots (encompassing two to three scales vs. one scale) scattered across the dorsum (vs. concentrated on the sides of the body) and a more vivid postorbital stripe (from BEZY et al. 2008). 
Comment 
EtymologyEtymology.—The specific name is a noun in the genitive singular case. The species is named for Wade C. Sherbrooke (Director Emeritus, Southwestern Research Station, American Museum of Natural History) in recognition of his friendship, participation in xantusiid field work, and contributions to the study of Phrynosoma. 
References
  • 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; Kit B Bezy, and Kathryn Bolles 2008. Two New Species of Night Lizards (Xantusia) from Mexico. Journal of Herpetology 42 (4): 680-688 - 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
 
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