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- Title
New hominin genus from eastern Africa shows diverse middle Pliocene lineages.
- Authors
Leakey, M G; Spoor, F; Brown, F H; Gathogo, P N; Kiarie, C; Leakey, L N; McDougall, I
- Abstract
Most interpretations of early hominin phylogeny recognize a single early to middle Pliocene ancestral lineage, best represented by Australopithecus afarensis, which gave rise to a radiation of taxa in the late Pliocene. Here we report on new fossils discovered west of Lake Turkana, Kenya, which differ markedly from those of contemporary A. afarensis, indicating that hominin taxonomic diversity extended back, well into the middle Pliocene. A 3.5 Myr-old cranium, showing a unique combination of derived facial and primitive neurocranial features, is assigned to a new genus of hominin. These findings point to an early diet-driven adaptive radiation, provide new insight on the association of hominin craniodental features, and have implications for our understanding of Plio-Pleistocene hominin phylogeny.
- Publication
Nature, 2001, Vol 410, Issue 6827, p433
- ISSN
0028-0836
- Publication type
Journal Article
- DOI
10.1038/35068500