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Associated ilium and femur from Koobi Fora, Kenya, and postcranial diversity in early Homo

Ward, C.V., Feibel, C.S., Hammond, A.S., Leakey, L.N., Moffett, E.A., Plavcan, J.M., Skinner, Matthew M., Spoor, F., Leakey, M.G. (2015) Associated ilium and femur from Koobi Fora, Kenya, and postcranial diversity in early Homo. Journal of Human Evolution, 81 . pp. 48-67. ISSN 0047-2484. (doi:10.1016/j.jhevol.2015.01.005)

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Abstract

During the evolution of hominins, it is generally accepted that there was a shift in postcranial morphology between Australopithecus and the genus Homo. Given the scarcity of associated remains of early Homo, however, relatively little is known about early Homo postcranial morphology. There are hints of postcranial diversity among species, but our knowledge of the nature and extent of potential differences is limited. Here we present a new associated partial ilium and femur from Koobi Fora, Kenya, dating to 1.9 Ma (millions of years ago) that is clearly attributable to the genus Homo but documents a pattern of morphology not seen in eastern African early Homo erectus. The ilium and proximal femur share distinctive anatomy found only in Homo. However, the geometry of the femoral midshaft and contour of the pelvic inlet do not resemble that of any specimens attributed to H.erectus from eastern Africa. This new fossil confirms the presence of at least two postcranial morphotypes within early Homo, and documents diversity in postcranial morphology among early Homo species that may reflect underlying body form and/or adaptive differences.

Item Type: Article
DOI/Identification number: 10.1016/j.jhevol.2015.01.005
Uncontrolled keywords: Early pleistocene, Eastern Africa, Hominin, Pelvis, Postcrania, cranium, fossil assemblage, hominid, morphotype, Pleistocene, skeletal remains, skeleton, Kenya, Koobi Fora, Turkana, Australopithecus, Homo erectus
Subjects: Q Science
Divisions: Faculties > Social Sciences > School of Anthropology and Conservation
Faculties > Social Sciences > School of Anthropology and Conservation > Biological Anthropology
Depositing User: Matthew Skinner
Date Deposited: 15 May 2015 10:34 UTC
Last Modified: 29 May 2019 14:34 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/48526 (The current URI for this page, for reference purposes)
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