Aotus vociferans (Spix, 1823) . Sim. Vespert. Brasil. 25.

TYPE LOCALITY: Brazil, upper Marafion, Tabatinga .

DISTRIBUTION: Colombia, east of Cordillera Oriental, west of Rio Negro, south to Brazil (north of Amazon-Solimöes Rivers).

STATUS: CITES - Appendix II.

SYNONYMS: gularis Dollman, 1909; microdon Dollman, 1909; oseryi, senex .