Koepfli, Klaus-Peter; Gompper, Matthew E.; Eizirik, Eduardo; Ho, Cheuk-Chung; Linden, Leif; Maldonado, Jesus E.; Wayne, Robert K. (2007). „Phylogeny of the Procyonidae (Mammalia: Carnivora): Molecules, morphology and the Great American Interchange“. Molecular Phylogenetics and Evolution. 43 (3): 1076–1095. doi:10.1016/j.ympev.2006.10.003.