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Pig-Tailed Langur, Indonesia (USNM 121659)
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 type specimen, USNM 121659 (http://collections.mnh.si.edu/search/mammals/?irn=7245540), is a male pig-tailed langur (Simias concolor) from Indonesia. This individual was collected in 1902 by William Abbott near Sumatera Barat on the island of Sumatra. In 1903, G. S. Miller designated this individual the type specimen for the genus Simas. This individual weighed 22 lbs, had a total length of 740 mm, a tail length of 190 mm, and a head to body length of 550 mm.
This is a CT scan of the mandible of USNM 121659. 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.