Cacajao Lesson, 1840 . Spec. Mamm. Bim. et Quadrum., p. 181.

TYPE SPECIES: Simia melanocephalus Humboldt, 1812 .

SYNONYMS: Brachyurus Spix, 1823; Cercoptochus, Cothurus, Neocothurus, Ouakaria .

COMMENTS: Revised by Hershkovitz (1987c).