Bibliography

Santos, R. R. dos, P. Colombo, S. B. Leonardi, C. Zank, M. Schossler, K. Vieira, T. Grant, M. Borges-Martins, and L. Verrastro. 2009. Amphibia, Anura, Cycloramphidae, Proceratophrys bigibbosa (Peters, 1872) and Proceratophrys brauni Kwet and Faivovich, 2001: Distribution extension and new state record. Check List. A Journal of Species Lists and Distribution 5: 922–925.