title: A new species of Andean toad (Bufonidae, Osornophryne) discovered using molecular and morphological data, with a taxonomic key for the genus.
abstract: Combining a molecular phylogeny and morphological data, we discovered a new species of Osornophryne from the Amazonian slope of the Ecuadorian Andes. Morphologically, the new taxon is distinguished from all others species in Osornophryne by having the Toes IV and V longer than Toes I-III, a short and rounded snout with a small rostral papilla, and conical pustules on flanks. The new species previously was confused with Osornophryne guacamayo. A taxonomic key is provided for all known species of Osornophryne.
authors.affiliation: Museo de Zoología, Escuela de Ciencias Biológicas, Pontificia Universidad Católica del Ecuador, Av. 12 de Octubre y Roca, Aptdo. 17012184, Quito, Ecuador.
authors.forename: Diego J
authors.initials: DJ
authors.lastname: Páez-Moscoso
authors.forename: Juan M
authors.initials: JM
authors.lastname: Guayasamin
authors.forename: Mario
authors.initials: M
authors.lastname: Yánez-Muñoz