03/12/2015 09:59 PM EDT
The earliest known record of the genus Homo--the human genus--represented by a lower jaw with teeth, recently found in the Afar region of Ethiopia, dates to between 2.8 and 2.75 million years ago, according to an international team of geoscientists and anthropologists. They also dated other fossils to between 2.84 and 2.58 million years ago, which helped reconstruct the environment in which the individual lived.
Source
Penn State
This is an NSF News From the Field item.
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