Bibliography

Verdade, V. K., J. Cassimiro, and M. T. Rodrigues. 2009. Amphibia, Anura, Cycloramphidae, Zachaenus carvalhoi Izecksohn, 1983 and Z. parvulus (Girard, 1853): Filling gap and geographic distribution map for the genus. Check List. A Journal of Species Lists and Distribution 5: 755–758.