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Mangabey, Uganda (USNM 452500)
Old World monkeys are primates and are more closely related to humans and apes than any other living nonhuman primate group. The Smithsonian Institution’s Division of Mammals (http://vertebrates.si.edu/mammals/) houses many Old World monkeys in its scientific collections.
This specimen, USNM 452500 (http://collections.nmnh.si.edu/search/mammals/?irn=7340275), is a male grey-cheeked mangabey (Lophocebus albigena johnstoni) from Uganda. This individual was collected in 1964 by C. P. Booth near Katende-Bujuko, Mengo. This specimen weighed 8,360 g, measured 1,473 mm in total length and 892 mm in tail length. The hind tarsus measured 175 mm and an ear notch length of 581 mm long.
This is a CT scan of the mandible of USNM 452500. These three-dimensional scans are made publicly available through the generous support of the Smithsonian 2.0 Fund, provided from the annual gifts of the Smithsonian National Board to the Secretary to use at his discretion (http://smithsonian20.si.edu/fund.html), and the Smithsonian Collections Care and Preservation Fund.
The main goal of this joint initiative between the Human Origins Program and the Division of Mammals is to make the NMNH's scientific collections of our closest living nonhuman primate relatives available in 3D for education and research.