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Ring-Tailed Lemur, Madagascar (USNM 395515)
Lemurs are primates and are more closely related to humans, apes and monkeys than any other living nonhuman primate group. The Smithsonian Institution’s Division of Mammals (http://vertebrates.si.edu/mammals/) houses many lemurs in its scientific collections.
This specimen, USNM 395515 (http://collections.nmnh.si.edu/search/mammals/?irn=7047770), is a female ring-tailed lemur (Lemur catta) from Madagascar. This individual measured a total length of 993 mm, a tail length of 605 mm, a hind tarsus length of 115 mm, and an ear notch length of 46 mm.
This is a CT scan of the cranium of USNM 395515. 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.