Ledesma, K.J., Werner, F.A., Spotorno, A.E. and Albuja, L.H. 2009. A new species of Mountain Viscacha (Chinchillidae: Lagidium Meyen) from the Ecuadorean Andes. Zootaxa. 2126, 1 (Jun. 2009), 41–57. DOI:https://doi.org/10.11646/zootaxa.2126.1.2.