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Black Lemur, Madagascar (USNM 125465)

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 ( houses many lemurs in its scientific collections. 

This specimen, USNM 125465 ( is a female black lemur (Eulemur macaco) from Madagascar. This individual was collected in 1905 and measured a total length of 880 mm, a tail length of 465 mm, and a hind  tarsus length of 95 mm.

This is a CT scan of the mandible of USNM 125465. 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 (, 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.