Verzi, D. H., Olivares, A. I., & Morgan, C. C. (2017). Systematics and evolutionary significance of the small Abrocomidae from the early Miocene of southern South America. Historical Biology, 29(3), 411-422. https://doi.org/10.1080/08912963.2016.1168410
epn.edu.ec
bibdigital.epn.edu.ec
Ledesma, K., Werner, F., Spotorno, A., & Albuja Viteri, L. H. (2009). A new species of mountain viscacha (Chinchillidae: Lagidium Meyen) from the Ecuadorean Andes. Zootaxa2126: 41–57. http://bibdigital.epn.edu.ec/handle/15000/3751