The Old World monkeys of Africa and Asia comprise approximately 132 species in the family Cercopithecidae. They exhibit striking diversity in habitat, distribution, diet, and social behavior.

Fossils of the oldest monkeys have been unearthed in Kenya, revealing the old-world monkeys coexisted with more archaic primates some 12.5 million years ago.

Ancient teeth of old-world monkeys, which are most closely related to humans, have now been unearthed, fossils 3 million years older than previous remains found to date, researchers say.

Old World monkeys. OK, so now that we know what a monkey is, exactly how many types of monkeys are there? “Monkeys are broadly divided into Old World species—160 species, and New World species ...

Among monkeys, scientists recognize two distinct evolutionary lineages: Old World monkeys (Cercopithecidae) and New World monkeys (Platyrrhini).

Researchers report the discovery of an ancient species of Old World monkey, providing insights into a form of dental evolution. Knowledge about the origin and evolution of Old World monkeys, a ...

Old World monkeys have narrow, downward-facing nostrils, while New World monkeys have broader, side-facing nostrils. What are some of the most fascinating species of monkeys, and what makes them ...

Old World Monkeys. In T. Poole, & P. English (eds), The UFAW Handbook on the Care and Management of Laboratory Animals Seventh Edition (pp. 611-635) Oxford: Blackwell Science. Berman, C. M. (1980).

Unlike Old World monkeys, howlers and other New World species have wide, side-opening nostrils and no pads on their rumps. Howlers also boast a prehensile tail.

Ancient teeth of old-world monkeys, which are most closely related to humans, have now been unearthed, fossils 3 million years older than previous remains found to date, researchers say.

Ancient teeth of old-world monkeys, which are most closely related to humans, have now been unearthed, fossils 3 million years older than previous remains found to date, researchers say.