V. L. Urgilés, J. C. Sánchez-Nivicela, C. Nieves, and M. H. Yánez-Muñoz, “Terrestrial frogs in southern Andean ecosystems of Ecuador I: Two new species of Pristimantis (Anura: Craugastoridae) of the eastern versant”, ACI Av. Cienc. Ing. (Quito), vol. 6, no. 1, Jun. 2014, doi: 10.18272/aci.v6i1.159.