Trachypithecus Reichenbach, 1862 . Vollständ. Nat. Affen, p. 89.

TYPE SPECIES: Semnopithecus pyrrhus Horsfield, 1823 (= Cercopithecus auratus É. Geoffroy, 1812).

SYNONYMS: Kasi .

COMMENTS: Separated from Presbytis by Hooijer (1962) and Groves (1989).