Ávila, Robson W., Ricardo A. Kawashita-Ribeiro, and Drausio H. Morais. 2011. “A New Species of Proceratophrys (Anura: Cycloramphidae) from Western Brazil”. Zootaxa 2890 (1). Auckland, New Zealand:20–28. https://doi.org/10.11646/zootaxa.2890.1.2.