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Gymnophthalmus leucomystax VANZOLINI & CARVALHO, 1991

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Higher TaxaGymnophthalmidae (Gymnophthalminae), Gymnophthalmini, Sauria, Gymnophthalmoidea, Squamata (lizards)
Common NamesE: White Spectacied Tegu 
SynonymGymnophthalmus leucomystax VANZOLINI & CARVALHO 1991
Gymnophthalmus leucomystax — KIZIRIAN & COLE 1999
Gymnophthalmus leucomystax — CASTOE et al. 2004
Gymnophthalmus leucomystax — MACIEL et al. 2021 
DistributionBrazil (Roraima), Guyana, Colombia ()

Type locality: Fazenda Salvamento, Roraima, Brazil.  
TypesHolotype: MZUSP 69301, female; paratypes: MZUSP 
DiagnosisDiagnosis: All scales smooth. Scales around midbody 13; dorsals to the level of the posterior margins of the thighs 30-37; ventrals 21-28; fourth toe lamellae 14-19. Upper lip entirely white or with a white bar. A pair of white, black bordered dorso-lateral stripes, extending from the supraocular region to the base of the tail, very vivid union the shoulder; ventral parts white to light tan, with a greenish metallic tinge (from Vanzolini et al. 1991). 
CommentDistribution: for a map see Maciel et al. 2021: 292 (Fig. 1). 
EtymologySince the generic name is Greek and the first character to call attention to the individuality of the species was the white upper lip, leucomystax, “white moustache”, in apposition, seems unavoidable. 
  • Castoe, T.A.; Doan, T.M. & Parkinson, C.L. 2004. Data partitions and complex models in Bayesian analysis: the phylogeny of Gymnophthalmid lizards. Systematic Biology 53 (3): 448-469 - get paper here
  • Cole, Charles J.; Carol R. Townsend, Robert P. Reynolds, Ross D. MacCulloch, and Amy Lathrop 2013. Amphibians and reptiles of Guyana, South America: illustrated keys, annotated species accounts, and a biogeographic synopsis. Proceedings of the Biological Society of Washington 125 (4): 317-578; plates: 580-620 - get paper here
  • DIAGO-TORO, MARÍA F.; DANIELA GARCÍA-COBOS, GIOVANNI D. BRIGANTE-LUNA & JUAN D. VÁSQUEZ-RESTREPO. 2021. Fantastic lizards and where to find them: cis-Andean microteiids (Squamata: Alopoglossidae & Gymnophthalmidae) from the Colombian Orinoquia and Amazonia. Zootaxa 5067(3): 377–400. - get paper here
  • GARCÍA-PÉREZ, JUAN E. & WALTER E. SCHARGEL 2017. A new species of Gymnophthalmus (Squamata: Gymnophthalmidae) from sand dunes of the Llanos of Apure, Venezuela. Zootaxa 4318 (3): 576–586 - get paper here
  • Kizirian, D. A. & Cole, C.J. 1999. Origin of the Unisexual Lizard Gymnophthalmus underwoodi (Gymnophthalmidae) Inferred from Mitochondrial DNA Nucleotide Sequences. Molecular Phylogenetics and Evolution 11 (3): 394–400 - get paper here
  • Medina-Rangel, Guido Fabian; Miguel Á. Méndez-Galeano &<br />Martha Lucía Calderón-Espinosa 2019. Herpetofauna of San José del Guaviare, Guaviare, Colombia Biota Colombiana 20 (1): 75-90 - get paper here
  • RECODER, RENATO SOUSA; FRANCISCO DAL VECHIO, SERGIO MARQUES-SOUZA, MAURO JR. TEIXEIRA, MAIUME SILVA-DA-SILVA, ALFREDO P. SANTOS-JR., SÍRIA RIBEIRO, CESAR BARRIO-AMORÓS, MIGUEL TREFAUT RODRIGUES 2018. Geographic variation and taxonomy of red-tailed Gymnophthalmus (Squamata: Gymnophthalmidae) from Amazonian Savannas. Zootaxa 4497 (1): 061–081 - get paper here
  • RIBEIRO-JÚNIOR, MARCO A. & SILVANA AMARAL 2017. Catalogue of distribution of lizards (Reptilia: Squamata) from the Brazilian Amazonia. IV. Alopoglossidae, Gymnophthalmidae. Zootaxa 4269 (2): 151-196 - get paper here
  • Ribeiro-Júnior, Marco A. & Silvana Amaral 2016. Diversity, distribution, and conservation of lizards (Reptilia: Squamata) in the Brazilian Amazonia. Neotropical Biodiversity, 2:1, 195-421 - get paper here
  • Vanzolini P E. CARVALHO C M D. 1991. Two sibling and sympatric species of Gymnophthalmus in Roraima, Brazil (Sauria: Teiidae). Pap. Avul. Zool., Sao Paulo 37 (12): 173-226
  • Vitt, Laurie J.;de Carvalho, Celso Morato 1995. Niche partitioning in a tropical wet season: Lizards in the Lavrado Area of Northern Brazil. Copeia 1995 (2): 305-329 - get paper here
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