Garda, A.A., Santana, D.J. & de Avelar São-Pedro, V. (2010) Taxonomic characterization of Paradoxical frogs (Anura, Hylidae, Pseudae): geographic distribution, external morphology, and morphometry. Zootaxa, 2666 (1), 1–28.
https://doi.org/10.11646/zootaxa.2666.1.1