KNM-ER 992

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.^[1][2][3]

KNM ER 992

KNM ER 992 replica
Catalog no.	KNM ER 992
Species	Homo ergaster
Age	1.5 mya
Place discovered	Koobi Fora, Kenya
Date discovered	1971
Discovered by	Richard Leakey
Originally thought to be Homo habilis; reclassified as Homo ergaster in 1975

See also

• List of fossil sites (with link directory)
• List of hominina (hominin) fossils (with images)