KNM-ER 992

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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.[1][2][3]

KNM ER 992
KNM ER 992 replica
Catalog no.KNM ER 992
SpeciesHomo ergaster
Age1.5 mya
Place discoveredKoobi Fora, Kenya
Date discovered1971
Discovered byRichard Leakey
Originally thought to be Homo habilis; reclassified as Homo ergaster in 1975

See also

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References

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  1. ^ Groves, C. P.; Mazak, V. (1975). "An Approach to the Taxonomy of the Hominidae: Gracile Villafranchian Hominids of Africa". Casopis Pro Mineralogii a Geologii. 20: 225–247.
  2. ^ Tattersall (2015). "10 Homo ergaster and Its Contemporaries". In Henke, W.; Tattersall, I. (eds.). Handbook of Paleoanthropology. Berlin, Heidelberg. pp. 1634–1653.{{cite book}}: CS1 maint: location missing publisher (link)
  3. ^ Heslip, Steven (2001). "Homo ergaster". Michigan State University. (broken link)
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