Zaher, H., Scrocchi, G. and Masiero, R. 2008. Rediscovery and redescription of the type of Philodryas laticeps Werner, 1900 and the taxonomic status of P. oligolepis Gomes, 1921 (Serpentes, Colubridae). Zootaxa. 1940, 1 (Nov. 2008), 25–40. DOI:https://doi.org/10.11646/zootaxa.1940.1.3.