Pygathrix E. Geoffroy 1812
Pygathrix E. Geoffroy 1812, Ann. Mus. Hist. Nat. Paris, 19: 90.
Type Species: Simia nemaeus Linnaeus 1771
Synonyms: Daunus Gray 1821 .
Species and subspecies: 3 species:
Species Pygathrix cinerea Nadler 1997
Species Pygathrix nemaeus (Linnaeus 1771)
Species Pygathrix nigripes Milne-Edwards 1871
Discussion: Rhinopithecus included in Pygathrix by Groves (1970) and Szalay and Delson (1979:404) and McKenna and Bell (1997); but see Jablonski and Peng (1993) and Groves (2001 c), who recognized that the two are sister-groups but retained them as separate genera.