J. M. Guayasamin, D. F. Cisneros-Heredia, and S. Castroviejo-Fisher, “Taxonomic identity of Cochranella petersi Goin, 1961 and Centrolenella ametarsia Flores, 1987”, Zootaxa, vol. 1815, no. 1, pp. 25–34, Jul. 2008.