Da Silva, M.B. and Ávila-Pires, T.C. 2013. The genus Cnemidophorus (Squamata: Teiidae) in State of Piauí, northeastern Brazil, with description of a new species. Zootaxa. 3681, 4 (Jun. 2013), 455–477. DOI:https://doi.org/10.11646/zootaxa.3681.4.8.