Cercopithecidae

Red-shanked douc Pygathrix nemaeus, photographed by Jurgen & Christine Sohns.

Belongs within: Catarrhini.
Contains: Presbytis, Procolobus, Trachypithecus, Cercopithecus, Papio, Macaca.

The Cercopithecidae include the Old World monkeys, found in Africa and Asia. They can be divided between the often generalised Cercopithecinae, including baboons, macaques and guenons, and the often more strictly herbivorous Colobinae, including the colobus monkeys and langurs.

Characters (from Clutton-Brock 1984): Dental formula I2/2, C1/1, P2/2, M3/3; molars bilophodont, with the four cusps joined in pairs by transverse ridges. Ischial callosities (hard pads on lower side of buttocks) present.

REFERENCE

Clutton-Brock, T. H. 1984. Monkeys. In All the World’s Animals: Primates (D. Macdonald, ed.) pp. 44-45. Torstar Books: New York.