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Related to Colobinae: langur
a subfamily of lower catarrhine monkeys of the family Cercopithecidae. The body measures 41–83 cm in length, and the tail 50–110 cm (in Simias, 13–15 cm). The head is rounded, and the lower jaw is short. Cheek pouches are absent. There are six genera: Colobus, Presbytis, Pygathrix, Nasalis, Rhinopithecus, and Simias; the last three genera are collectively called proboscis monkeys.
The Colobinae are distributed in Southeast Asia, except for Colobus, which is found in Africa. The monkeys are arboreal; Rhinopithecus and Presbytis live in mountains to elevations of 3,600 m. All genera feed on leaves, fruits, and young shoots.