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. Auckland, New Zealand, 3681(4), pp. 455–477. doi: 10.11646/zootaxa.3681.4.8.