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Earliest modern human-like hand bone from a new 41.84-million-year-old site at Olduvai in Tanzania
Domínguez-Rodrigo, Manuel (Universidad Complutense de Madrid. Departamento de Prehistoria)
Rayne Pickering, Travis (University of Wisconsin-Madison. Department of Anthropology)
Almécija, Sergio (Institut Català de Paleontologia Miquel Crusafont)
Heaton, Jason L. (Ditsong National Museum of Natural History)
Baquedano, Enrique (Instituto de Evolución en África)
Mabulla, Audax (University of Dar es Salaam. Archaeology Unit)
Uribelarrea, David (Universidad Complutense de Madrid. Departamento de Geodinámica)

Date: 2015
Abstract: Modern humans are characterized by specialized hand morphology that is associated with advanced manipulative skills. Thus, there is important debate in paleoanthropology about the possible cause-effect relationship of this modern human-like (MHL) hand anatomy, its associated grips and the invention and use of stone tools by early hominins. Here we describe and analyse Olduvai Hominin (OH) 86, a manual proximal phalanx from the recently discovered >1. 84-million-year-old (Ma) Philip Tobias Korongo (PTK) site at Olduvai Gorge (Tanzania). OH 86 represents the earliest MHL hand bone in the fossil record, of a size and shape that differs not only from all australopiths, but also from the phalangeal bones of the penecontemporaneous and geographically proximate OH 7 partial hand skeleton (part of the Homo habilis holotype). The discovery of OH 86 suggests that a hominin with a more MHL postcranium co-existed with Paranthropus boisei and Homo habilis at Olduvai during Bed I times.
Note: Número d'acord de subvenció MINECO/CGL2014-54373-P
Note: Número d'acord de subvenció MINECO/HAR2013-45246-C3-1-P
Rights: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Language: Anglès
Document: article ; recerca ; publishedVersion
Subject: Anthropology ; Palaeontology
Published in: Nature communications, Vol. 6 (2015) , art. 7987, ISSN 2041-1723

DOI: 10.1038/ncomms8987
PMID: 26285128


8 p, 950.6 KB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (scientific output) > Experimental sciences > Institut Català de Paleontologia Miquel Crusafont (ICP)
Articles > Research articles
Articles > Published articles

 Record created 2018-02-21, last modified 2020-08-09



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