Golden Lion Tamarin, Brazil (USNM 518588)

New World monkeys are primates and are more closely related to humans, apes and Old World monkeys than any other living nonhuman primate group. The Smithsonian Institution’s Division of Mammals (http://vertebrates.si.edu/mammals/) houses many New World monkeys in its scientific collections. 

This specimen, USNM 518588 (http://collections.mnh.si.edu/search/mammals/?irn=7390061), is a female golden lion tamarin (Leontopithecus rosalia) from Brazil. This individual was collected in 1941 by H. W. Laemmert near Rio de Janeiro. This specimen weighed 525 g, had a total length of 590 mm, a tail length of 340 mm, a hind tarsus length of 80 mm, and an ear notch length of 24 mm.

This is a CT scan of the cranium of USNM 518588. 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.