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White-Nosed Monkey, Ghana (USNM 477317)
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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 477317 (http://collections.mnh.si.edu/search/mammals/?irn=7356380), is a female white-nosed monkey (Cercopithecus petaurista) from Ghana. This individual was collected in 1969 by W. P. Murdoch, Jr., near Adamso located in Ashanti Province. This individual weighed 2,800 g, had a total length of 1,112 mm, a tail length of 685 mm, a hind tarsus length of 122 mm, and an ear notch length of 30 mm.
This is a CT scan of the mandible of USNM 477317. 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.