Napoli, M. F., Cruz, C. A. G., de Abreu, R. O. and Del-Grande, M. L. (2011) “A new species of Proceratophrys Miranda-Ribeiro (Amphibia: Anura: Cycloramphidae) from the Chapada Diamantina, State of Bahia, northeastern Brazil”, Zootaxa. Auckland, New Zealand, 3133(1), pp. 37–49. doi: 10.11646/zootaxa.3133.1.2.