Holanda, Elizete Celestino; Ferrero, Brenda Soledad (March 2013). "Reappraisal of the Genus Tapirus (Perissodactyla, Tapiridae): Systematics and Phylogenetic Affinities of the South American Tapirs". Journal of Mammalian Evolution. 20 (1): 33–44. doi:10.1007/s10914-012-9196-z.