Nasalis É. Geoffroy, 1812 . Ann. Mus. Hist. Nat. Paris, 19:89.

TYPE SPECIES: Cercopithecus larvatus Wurmb, 1787 .

SYNONYMS: Simias .

COMMENTS: Includes Simias; see Groves (1970:639). Szalay and Delson (1979) and Delson (1975:217) considered Simias a subgenus; but also see Krumbiegel (1978).