OH 5

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Zinj or Nutcracker man
Zinj or Nutcracker man
Catalog number OH 5
Common name Zinj or Nutcracker man
Species Paranthropus boisei
Age 1.8 mya
Place discovered Olduvai Gorge, Tanzania
Date discovered 1959
Discovered by Mary Leakey


OH 5 (also known as Zinjanthropus or nutcracker man) is a fossilized skull of the species Paranthropus boisei. It was discovered in Olduvai Gorge, Tanzania by Mary Leakey in 1959.

It is estimated to be about 1.8 million years old.

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Images of OH 5. Retrieved on 2006-07-14.

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