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Xenosaurus newmanorum TAYLOR, 1949

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Higher TaxaXenosauridae, Diploglossa, Anguimorpha, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Newman's Knob-scaled Lizard
S: Xenosauro de Newman 
SynonymXenosaurus newmanorum TAYLOR 1949: 183
Xenosaurus newmanorum — SMITH & TAYLOR 1950: 208
Xenosaurus grandis newmanorum — LYNCH & SMITH 1965: 170
Xenosaurus newmanorum — KING & THOMPSON 1968: 110
Xenosaurus newmanorum — LINER 1994
Xenosaurus newmanorum — PÉREZ RAMOS et al. 2000
Xenosaurus newmanorum — LINER & CASAS-ANDREU 2008
Xenosaurus newmanorum — JOHNSON et al. 2017 
DistributionMexico (Veracruz, from SW Tamaulipas to San Luis Potosi, Hidalgo, Quéretaro)

Type locality: Xilitla region, San Luis Potosi, Mexico  
Reproductionovoviviparous 
TypesHolotype: LSUM 499 (not 85) (Louisiana St. Univ. Mus. Zool.) (collected by Marcella Newman). 
DiagnosisDiagnosis (n=12): Related to Xenosaurus grandis but with the following differences: supraocular scales smaller, never forming a continuous series of three or four, that are much wider than long; tail a little shorter and slenderer with 2-4 scales fewer in a whorl about tail near base; arm above nearly uniformly covered with large rounded scales, somewhat conical on dorsal surface, rather than with the tubercles spaced with the distance between nearly equal to diameter of the base of the tuberele; a pair of light spots beginning between auricular membranes and extending back for a distance less than, or equal to, their width; a broad distinct stripe begins near tympanum that runs up and back, approaching but not meeting its fellow behind posterior level of arm insertion; venter nearly uniform grayish white, instead of cream with numerous quadrangular black spots. (Taylor 1949)


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CommentDistribution: see map in WOOLRICH-PIÑA & SMITH 2012. 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Bhullar, B-A. S. 2011. The Power and Utility Of Morphological Characters In Systematics: A Fully Resolved Phylogeny of Xenosaurus and Its Fossil Relatives (Squamata: Anguimorpha). Bull. Mus. Comp. Zool. Harvard 160 (3): 65–181 - get paper here
  • Camarillo,J.L. 1998. Geographic distribution: Xenosaurus newmanorum. Herpetological Review 29 (1): 52 - 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
  • King, F. W., & THOMPSON, F. G. 1968. A review of the American lizards of the genus Xenosaurus Peters. Bulletin of the Florida State Museum 12: 93-123. - get paper here
  • Lara-Tufiño, D.; A. Ramírez-Bautista; R. Hernández-Austria; L.D. Wilson; C. Berriozabal-Islas. 2013. Xenosaurus newmanorum Taylor, 1949 (Squamata: Xenosauridae): Occurrence in the state of Hidalgo, Mexico. Check List 9 (5):1101-1103 - get paper here
  • Lemos-Espinal JA, Smith GR, Woolrich-Piña GA 2018. Amphibians and reptiles of the state of San Luis Potosí, Mexico, with comparisons with adjoining states. ZooKeys 753: 83-106 - get paper here
  • Lemos-Espinal, J.A., G.R. Smith & R.E. Ballinger 1998. Thermal Ecology of the Crevice-dwelling Lizard, Xenosaurus newmanorum Journal of Herpetology 32 (1): 141-144. - get paper here
  • Lemos-Espinal, J.A., R.E. Ballinger, and G.R. Smith 2000. Xenosaurus newmanorum Taylor Newman's Knob-scaled Lizard. Catalogue of American Amphibians and Reptiles (714): 1-2 - get paper here
  • Lemos-Espinal, Julio A. and James R. Dixon 2013. Amphibians and Reptiles of San Luis Potosí. Eagle Mountain Publishing, xii + 300 pp. - get paper here
  • Lynch, John D.; Smith, Hobart M. 1965. A new species of Xenosaurus (Reptilia: Xenosauridae) from the Isthmus of Tehuantepec, Mexico. Transactions of the Kansas Academy of Science 68 (1): 163-172 - get paper here
  • Martin, Plul S. 1958. A biogeography of reptiles and amphibians in the Gomez Farias Region, Tamaulipas, Mexico. Miscellaneous publications, Museum of Zoology, University of Michigan (101): 1-102 + 7 plates - get paper here
  • Molina-Zuluaga, Claudia, Paul F. Doherty, J. Jaime Zúñiga-Vega, and J. Gastón Zamora-Abrego 2013. Survivorship, Growth, and Detection of a Knob-scaled Lizard in Queretaro, Mexico. Journal of Herpetology Mar 2013, Vol. 47, No. 1: 156-161. - get paper here
  • Nieto-Montes de Oca A, Sánchez-Vega H, Durán-Fuentes I 2018. A new species of knob-scaled lizard (Xenosauridae, Xenosaurus) from the Sierra Madre Oriental of Puebla, Mexico. ZooKeys 737: 141-160 - get paper here
  • Nieto-Montes DE OCA, A., J. A. CAMPBELL & O. FLORES-VILLELA 2001. A new species of Xenosaurus (Squamata: Xenosauridae) from the Sierra Madre del Sur of Oaxaca, Mexico. Herpetologica 57 (1): 32-47 - 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; 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
  • 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
  • Taylor,E.H. 1949. A preliminary account of the herpetology of the state of San Luis Potosi, Mexico. Univ. Kansas Sci. Bull. 33 (2): 169-215 - get paper here
  • Tepos-Ramírez M, Garduño-Fonseca FS, Peralta-Robles CA, García-Rubio OR, Cervantes Jiménez R 2023. Annotated checklist of amphibians and reptiles from Querétaro, Mexico, including new records, and comments on controversial species. Check List 19(2): 269-292 - 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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