New four-million-year-old hominid species from Kanapoi and Allia Bay, Kenya

Meave G. Leakey, Craig S. Feibel, Ian McDougall, Alan Walker

Research output: Contribution to journalArticlepeer-review

392 Scopus citations

Abstract

Nine hominid dental, cranial and postcranial specimens from Kanapoi, Kenya, and 12 specimens from Allia Bay, Kenya, are described here as a new species of Australopithecus dating from between about 3.9 million and 4.2 million years ago. The mosaic of primitive and derived features shows this species to be a possible ancestor to Australopithecus afarensis and suggests that Ardipithecus ramidus is a sister species to this and all later hominids. A tibia establishes that hominids were bipedal at least half a million years before the previous earliest evidence showed.

Original languageEnglish (US)
Pages (from-to)565-571
Number of pages7
JournalNature
Volume376
Issue number6541
DOIs
StatePublished - 1995

All Science Journal Classification (ASJC) codes

  • General

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