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Calyptommatus nicterus RODRIGUES, 1991

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Higher TaxaGymnophthalmidae (Gymnophthalminae), Gymnophthalmini, Sauria, Gymnophthalmoidea, Squamata (lizards)
Common NamesE: Rodrigues' Microteeid 
SynonymCalyptommatus nicterus RODRIGUES 1991
Calyptommatus nicterus — CASTOE et al. 2004 
DistributionBrazil (Bahia)

Type locality: Brasil: Bahia: Capim Verde (10°35 S, 42°34’W)  
TypesHolotype: MZUSP 70.429 
CommentLimb morphology: shows extreme reduction of hind limbs, absence of fore limbs.

They also show absence of prefrontals, frontals, supraoculars and frontoparietals, and are thought to be related to the recently described genus Nothobachia.

Abundance: only known from its original description (Meiri et al. 2017).

Behavior: fossorial nocturnal 
  • 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
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
  • Rodrigues M T 1991. Herpetofauna das dunas interiores do rio Sao Francisco, Bahia, Brasil. 1. Introducao a area e descricao de um novo genero de microteiideos (Calyptommatus) com notas sobre sua ecologia, distribuicao e especiacao (Sauria, Teiidae). Pap. Avul. Zool., Sao Paulo 37(19) 1991: 285-320
  • Rodrigues, M.T. 2003. Herpetofauna da Caatinga. In: I.R. Leal, M. Tabarelli & J.M.C. Silva (eds.). Ecologia e conservação da Caatinga, pp. 181-236. Editora Universitária, Universidade Federal de Pernambuco, Recife, Brasil.
  • Siedchlag, Ana Carolina; Maria Lúcia Benozzati, José Carlos Passoni, Miguel Trefaut Rodrigues 2010. Genetic structure, phylogeny, and biogeography of Brazilian eyelid-less lizards of genera Calyptommatus and Nothobachia (Squamata, Gymnophthalmidae) as inferred from mitochondrial DNA sequences. Molecular Phylogenetics and Evolution 56 (2): 622-630 - get paper here
  • Uchôa LR, Delfim FR, Mesquita DO, Colli GR, Garda AA, Guedes TB 2022. Lizards (Reptilia: Squamata) from the Caatinga, northeastern Brazil: Detailed and updated overview. Vertebrate Zoology 72: 599-659 - get paper here
  • Yonenaga-Yassuda, Yatiyo et al. 2005. Chromosomal banding patterns in the eyelid-less microteiid lizard radiation: The X1X1X2X2:X1X2Y sex chromosome system in Calyptommatus and the karyotypes of Psilophthalmus and Tretioscincus (Squamata, Gymnophthalmidae). Genetics and Molecular Biology 28 (4): 700-709 - get paper here
  • Yovanovich, C. A. M., Pierotti, M. E. R., Rodrigues, M. T. & Grant, T. 2019. A dune with a view: the eyes of a neotropical fossorial lizard. Front. Zool. 16: 17 (2019) - get paper here
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