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Lepidophyma radula (SMITH, 1942)

IUCN Red List - Lepidophyma radula - Data Deficient, DD

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Higher TaxaXantusiidae (Lepidophyminae), Scincoidea, Sauria, Squamata (lizards)
Common NamesE: Yautepec Tropical Night Lizard
S: Lagartija Nocturna de Yautepec 
SynonymGaigeia radula SMITH 1942: 376
Gaigeia radula — SMITH & TAYLOR 1950: 153
Lepidophyma radula — SAVAGE 1963
Lepidophyma radula — LINER 1994
Lepidophyma radula— BEZY & CAMARILLO 2002
Lepidophyma radula — MATA-SILVA et al. 2015 
DistributionMexico (Oaxaca)

Type locality: San Jose Manteca, 5 kilometers from San Carlos Yautepec, Oaxaca  
TypesHolotype: USNM 111472 
DiagnosisDIAGNOSIS (DIAGNOSTIC CHARACTERS). The species differs from all other Lepidophyma except L. dontomasi and L. lowei in having enlarged caudal whorls that are separated dorsally by 2 rows of interwhorls, only one of which is complete ventrally; from all except L. gaigeae and L. dontomasi in having less than 140 dorsals; from L. dontomasi in having distinctly enlarged tubercles on the side of the body; and from L. lowei and L. gaigeae in having fewer than 22 femoral pores. Lepidophyma dontomasi, L. lowei, and L. radula are restricted to eastern Oaxaca and are unique in the genus in having most caudal whorls separated
by only 2 interwhorls, one of which is complete ventrally.
Known only from the holotype (from BEZY & CAMARILLO 2002). 
CommentAbundance: only known from 3 specimens (Bezy et al. 1992).

Habitat/Ecomorph: rock-crevice

Distribution: see map in LARA-TUFIÑO & NIETO-MONTES DE OCA 2021: 331 (Fig. 6). 
EtymologyNamed after the Lating radula (= scraper) which refers to the body surface, which is rough, or filelike because of the presence of large tubercular scales. 
  • Bezy R L. and CAMARILLO R J L. 1992. Systematics of xantusiid lizards allied with Lepidophyma gaigeae Mosauer. Herpetologica 48 (1): 97-110 - get paper here
  • Bezy R L. and Camarillo R J L. 1997. A new species of Lepidophyma (Sauria: Xantusiidae) from Oaxaca, Mexico. Contributions in Science, Los Angeles (465): 1-8. - get paper here
  • Bezy, R. 2024. Photos of Type Specimens of Lepidophyma (Reptilia: Squamata: Xantusiidae) ResearchGate - get paper here
  • Bezy,R.L. & Camarillo, J.L. 2002. SYSTEMATICS OF XANTUSIID LIZARDS OF THE GENUS LEPIDOPHYMA. Contributions in Science (493): 1–41 - get paper here
  • CANSECO-MARQUEZ, LUIS; GUADALUPE GUTIIEREZ-MAYEN & ANDRES ALBERTO MENDOZA-HERNANDEZ 2008. A new species of night-lizard of the genus Lepidophyma (Squamata: Xantusiidae) from the Cuicatlan Valley, Oaxaca, Mexico. Zootaxa 1750: 59-67 - get paper here
  • Casas-Andreu, G., F.R. Méndez-De la Cruz and X. Aguilar-Miguel. 2004. Anfibios y Reptiles; pp. 375–390, in A.J.M. García-Mendoza, J. Ordoñez and M. Briones-Salas (ed.). Biodiversidad de Oaxaca. Instituto de Biología, UNAM-Fondo Oaxaqueño para la Conservación de la Naturaleza-World Wildlife Fund, México, D. F.
  • Flores Villela Oscar, Luis Canseco-Márquez, Eric N. Smith and Jonathan A. Campbell 2005. Rediscovery and Redescription of the Night Lizard Lepidophyma radula Smith, 1942. Journal of Herpetology 39 (3):493-495 - get paper here
  • Lara-Tufiño, José Daniel & Adrián Nieto-Montes de Oca 2021. A New Species of Night Lizard of the Genus Lepidophyma (Xantusiidae) from Southern Mexico. Herpetologica Dec 2021 Vol. 77, No. 4: 320-334 - get paper here
  • Mata-Silva, Vicente, Jerry D. Johnson, Larry David Wilson and Elí García-Padilla. 2015. The herpetofauna of Oaxaca, Mexico: composition, physiographic distribution, and conservation status. Mesoamerican Herpetology 2 (1): 6–62 - 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
  • Savage, J. M. 1963. 'Studies on the Lizard Family Xantusiidae IV. The Genera. Contributions in Science, Los Angeles County Museum (71): 1 - 38 - get paper here
  • Smith, H.M. & Taylor,E.H. 1950. An annotated checklist and key to the reptiles of Mexico exclusive of the snakes. Bull. US Natl. Mus. 199: 1-253 - get paper here
  • Smith, Hobart 1942. Mexican herpetological miscellany. Proc. US Natl. Mus. 92 (3153): 349-395 - get paper here
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