Guayasamin, Juan M., and Andrea Terán-Valdez. 2009. “A New Species of Noblella (Amphibia: Strabomantidae) from the Western Slopes of the Andes of Ecuador”. Zootaxa 2161 (1). Auckland, New Zealand:47–59. https://doi.org/10.11646/zootaxa.2161.1.4.