Wagner, P. and Crochet, P.-A. 2009. The status of the nomina Trapelus savignyi Audouin, 1827 and Agama savignii Duméril & Bibron, 1837 and the valid nomen of the Savigny’s Agama (Sauria: Agamidae). Zootaxa. 2209, 1 (Aug. 2009), 57–64. DOI:https://doi.org/10.11646/zootaxa.2209.1.4.