Pygathrix É. Geoffroy, 1812 . Ann. Mus. Hist. Nat. Paris, 19:90.

TYPE SPECIES: Simia nemaeus Linnaeus, 1771 .

SYNONYMS: Presbytiscus, Rhinopithecus .

COMMENTS: Includes Rhinopithecus; see Groves (1970) and Szalay and Delson (1979:404).