J. C. Dalponte, F. E. Silva, and J. de S. e Silva Júnior, “ New species of titi monkey, genus Callicebus Thomas, 1903 (Primates, Pitheciidae), from Southern Amazonia, Brazil ”, Pap. Avulsos Zool., vol. 54, no. 32, pp. 457–472, Jan. 2014, doi: 10.1590/0031-1049.2014.54.32.