Elmer, K.R. and Cannatella, D.C. 2008. Three new species of leaflitter frogs from the upper Amazon forests: cryptic diversity within Pristimantis "ockendeni" (Anura: Strabomantidae) in Ecuador. Zootaxa. 1784, 1 (Jun. 2008), 11–38. DOI:https://doi.org/10.11646/zootaxa.1784.1.2.