Catalog no. KNM ER 992 Age 1.5 mya Date discovered 1975 | Species Homo ergaster Place discovered Koobi Fora, Kenya Discovered by Richard Leakey | |
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KNM ER 992 is a 1.5 million years old fossilized lower jaw discovered by Richard Leakey in 1971 at Lake Turkana, Kenya. The mandible was considered by C. Groves and V. Mazak to be the holotype specimen for Homo ergaster.
References
KNM ER 992 Wikipedia(Text) CC BY-SA