Peninj Mandible

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Peninj mandible
Peninj mandible
Common name Peninj mandible
Species Paranthropus boisei
Age 1.5 mya
Place discovered Peninj, Tanzania
Date discovered 1964
Discovered by Richard Leakey


The Peninj Mandible is the fossilized lower jaw and teeth of the species Paranthropus boisei. It was discovered in Peninj, Tanzania by Richard Leakey in 1964.

It is estimated to be 1.5 million years old.

Its characteristics are a heavy build with large molars and small incisors.

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