Dictionary of Human Evolution and Biology

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Lophocebus (Cercocebus) Palmer, 1908

Cercopithecine genus to which the black mangabeys belong; two species, five subspecies. Found in the band of tropical rain forest that goes across equatorial Africa. Highly arboreal; diurnal; arboreal quadrupeds. Body mass ranges from 6 to 10 kg; slight sexual dimorphism. Dental formula: 2.1.2.3; frugivorous; possesses cheek pouches for storing food. A throat sac is present (larger in males than in females) that serves as a resonator for calls. One-male units appear to be the main social organization. Previously the species in this genus were included with Cercocebus. species.

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