Duellman, W. E., A. Catenazzi, and D. C. Blackburn. “A New Species of Marsupial Frog (Anura: Hemiphractidae: Gastrotheca) from the Andes of Southern Peru”. Zootaxa, vol. 3095, no. 1, Nov. 2011, pp. 1–14, doi:10.11646/zootaxa.3095.1.1.