Simões, P. I., J. C. L. Costa, F. J. M. Rojas-Runjaic, G. Gagliardi-Urrutia, M. J. Sturaro, P. L. V. Peloso, and S. Castroviejo-Fisher. “A New Species of Phyzelaphryne Heyer, 1977 (Anura: Eleutherodactylidae) from the Japurá River Basin, With a Discussion of the Diversity and Distribution of the Genus”. Zootaxa, vol. 4532, no. 2, Dec. 2018, pp. 203–230, doi:10.11646/zootaxa.4532.2.2.