Pontes, A. R. M., Malta, A. and Asfora, P. H. (2006) “A new species of capuchin monkey, genus Cebus Erxleben (Cebidae, Primates): found at the very brink of extinction in the Pernambuco Endemism Centre”, Zootaxa. Auckland, New Zealand, 1200(1), pp. 1–12. doi: 10.11646/zootaxa.1200.1.1.