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Lepidophyma tarascae BEZY, WEBB & ÁLVAREZ, 1982

IUCN Red List - Lepidophyma tarascae - Data Deficient, DD

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Higher TaxaXantusiidae (Lepidophyminae), Scincoidea, Sauria, Squamata (lizards) 
Subspecies 
Common NamesE: Tarascan Tropical Night Lizard
S: Lagartija Nocturna de Tarasca 
SynonymLepidophyma tarascae BEZY, WEBB & ÁLVAREZ 1982
Lepidophyma tarascae — LINER 1994
Lepidophyma tarascae — BEZY & CAMARILLO 2002
Lepidophyma tarascae — JOHNSON et al. 2017 
DistributionMexico (Michoacan, Guerrero, Colima)

Type locality: near Mexiquillo, Aquila District, Michoacan, México, Mexiquillo (18º08’ N, 103º56’W) is ca. 77 km (air) WNW Lázaro Cárdenas and the mouth of the Río Balsas.  
Reproductionviviparous 
TypesHolotype: ENCB 9221 (Escuela Nacional de Ciencias Biologicas, Instituto Politecnico Nacional, D.F.) 
DiagnosisDiagnosis: The species differs from all other Lepidophyma except L. smithii and L. lineri in lacking a pale parietal spot in adults; from L. smithii, L. lineri, and L. occulor in having 159 or fewer dorsals and 43 or fewer gulars; from all except L. dontomasi, L. smithii, L. lineri, L. tuxtlae, and L. occulor in having 18 or fewer total femoral pores; and from all except L. radula, L. smithii, L. lineri, L. flavimaculatum, L. occulor, and L. sylvaticum in having 25 or fewer lateral tubercle rows (from BEZY & CAMARILLO 2002).

REMARKS. Lepidophyma tarascae is most similar to L. smithii, and additional material bridge the differences between the two in and gulars. All known specimens of L. have an uninterrupted row of enlarged tubercles extending from the posteroventral margin of opening to above the gular fold (fig. 3 in al., 1982). However, in the Coalcoma´n MZFC 8603) the row is not as distinct type series (i.e., it is less clearly separated scattered large tubercles of the upper nuchal and approaches the condition seen in some smithii (from BEZY & CAMARILLO 2002). 
Comment 
EtymologyNamed after the Tarasca, the indigenous people of the region of the locality (Michoacán). 
References
  • Bezy R L; Webb R G; Alvarez T 1982. A new species of the genus Lepidophyma (Sauria: Xantusiidae) from Michoacan Mexico. Herpetologica 38 (3) 1982: 361-366 - 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
  • Campos-Rodríguez, José Ismael; López-Vidal, Juan Carlos 2007. Annotated checklist of type specimens in the herpetological collection of the Escuela Nacional de Ciencias Biológicas, I.P.N., Mexico. Southwestern Naturalist 52 (2): 323-326 - get paper here
  • Guzman-Villa,U. et al. 1998. Variation, distribution, and taxonomic status of the xantusiid lizard Lepidophyma tarascae. Herpetological Review 29 (2): 78 - 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
  • PALACIOS-AGUILAR, RICARDO & OSCAR FLORES-VILLELA 2018. An updated checklist of the herpetofauna from Guerrero, Mexico. Zootaxa 4422 (1): 1-24 - get paper here
 
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