Jonathan M.G. Perry; Richard F. Kay; Sergio F. Vizcaíno; M. Susana Bargo (2014). Oldest known cranium of a juvenile New World monkey (Early Miocene, Patagonia, Argentina): Implications for the taxonomy and the molar eruption pattern of early platyrrhines. Journal of Human Evolution. 74: 67—81. doi:10.1016/j.jhevol.2014.03.009. PMID25081638.
Jonathan M.G. Perry; Richard F. Kay; Sergio F. Vizcaíno; M. Susana Bargo (2014). Oldest known cranium of a juvenile New World monkey (Early Miocene, Patagonia, Argentina): Implications for the taxonomy and the molar eruption pattern of early platyrrhines. Journal of Human Evolution. 74: 67—81. doi:10.1016/j.jhevol.2014.03.009. PMID25081638.