Harris, Eugene E., Cristiani Gifalli-Iughetti, Zelinda Hirano Braga, and Célia P. Koiffmann. 2005. “Cytochrome B Sequences Show Subdivision Between Populations of the Brown Howler Monkey (Alouatta Guariba) from Rio De Janeiro and Santa Catarina, Brazil”. Neotropical Primates 13 (2): 16-21. https://doi.org/10.1896/1413-4705.13.2.16.