Da Silva, H. R., and D. Ouvernay. “A New Species of Stream-Dwelling Frog of the Genus Cycloramphus (Anura, Cycloramphidae) from the State of Rio De Janeiro, Brazil”. Zootaxa, vol. 3407, no. 1, Aug. 2012, pp. 49–60, doi:10.11646/zootaxa.3407.1.4.