Ribeiro-Júnior, Marco A. & Amaral, Silvana, 2016, Catalogue of distribution of lizards (Reptilia: Squamata) from the Brazilian Amazonia. III. Anguidae, Scincidae, Teiidae, Zootaxa 4205 (5), pp. 401-430: 412

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Cnemidophorus  sp. 1

Taxonomic remarks. Cnemidophorus  sp. 1 differs from other forms of the Cnemidophorus lemniscatus  group in some aspects of scutellation and color pattern. Part of these specimens have been reported as C. gramivagus  in the literature (e.g., Colli et al. 2003a) or as C.? gramivagus  and [ Cnemidophorus  ] cytotype E ( Ávila-Pires 1995). It is under description by F. Arias.

Distribution and habitat. Cnemidophorus  sp. 1 occurs in Brazil and Colombia, with a disjunct distribution in western Amazonia (with its southern limits in the upper Negro River basin) and in central Amazonia (distributed along the Madeira and middle Amazon River basins—Fig. 5). In Brazil it is known from the states of Amazonas and Rondônia. Cnemidophorus  sp. 1 is sexually dimorphic, terrestrial, and diurnal, inhabits open sunny areas along sandy beaches, natural open vegetation enclaves, and perianthropic situations (along roads and in cities, around human habitations), where it is found on open ground, among grasses and shrubs, and climbing trees and fence posts ( Ávila-Pires 1995; museums data). Ávila-Pires et al. (1987) reported specimens from Manaus, state of Amazonas, Brazil, as an introduced species probably carried to the city by trucks.