Postcranial evidence from early Homo from Dmanisi, Georgia.

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Bibliographic Details
Title: Postcranial evidence from early Homo from Dmanisi, Georgia.
Authors: Lordkipanidze, David, Jashashvili, Tea, Vekua, Abesalom, de León, Marcia S. Ponce, Zollikofer, Christoph P. E., Rightmire, G. Philip, Pontzer, Herman, Ferring, Reid, Oms, Oriol, Tappen, Martha, Bukhsianidze, Maia, Agusti, Jordi, Kahlke, Ralf, Kiladze, Gocha, Martinez-Navarro, Bienvenido, Mouskhelishvili, Alexander, Nioradze, Medea, Rook, Lorenzo
Source: Nature. 9/20/2007, Vol. 449 Issue 7160, p305-310. 6p. 1 Diagram, 1 Chart, 2 Graphs.
Subjects: Human beings, Anthropometry, Fossils, Paleontology, Historical geology, Archaeology, Physical anthropology, Craniology, Morphology, Dmanisi Site (Georgia)
Geographic Terms: Georgia
Abstract: The Plio-Pleistocene site of Dmanisi, Georgia, has yielded a rich fossil and archaeological record documenting an early presence of the genus Homo outside Africa. Although the craniomandibular morphology of early Homo is well known as a result of finds from Dmanisi and African localities, data about its postcranial morphology are still relatively scarce. Here we describe newly excavated postcranial material from Dmanisi comprising a partial skeleton of an adolescent individual, associated with skull D2700/D2735, and the remains from three adult individuals. This material shows that the postcranial anatomy of the Dmanisi hominins has a surprising mosaic of primitive and derived features. The primitive features include a small body size, a low encephalization quotient and absence of humeral torsion; the derived features include modern-human-like body proportions and lower limb morphology indicative of the capability for long-distance travel. Thus, the earliest known hominins to have lived outside of Africa in the temperate zones of Eurasia did not yet display the full set of derived skeletal features. [ABSTRACT FROM AUTHOR]
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Database: Psychology and Behavioral Sciences Collection
Description
Abstract:The Plio-Pleistocene site of Dmanisi, Georgia, has yielded a rich fossil and archaeological record documenting an early presence of the genus Homo outside Africa. Although the craniomandibular morphology of early Homo is well known as a result of finds from Dmanisi and African localities, data about its postcranial morphology are still relatively scarce. Here we describe newly excavated postcranial material from Dmanisi comprising a partial skeleton of an adolescent individual, associated with skull D2700/D2735, and the remains from three adult individuals. This material shows that the postcranial anatomy of the Dmanisi hominins has a surprising mosaic of primitive and derived features. The primitive features include a small body size, a low encephalization quotient and absence of humeral torsion; the derived features include modern-human-like body proportions and lower limb morphology indicative of the capability for long-distance travel. Thus, the earliest known hominins to have lived outside of Africa in the temperate zones of Eurasia did not yet display the full set of derived skeletal features. [ABSTRACT FROM AUTHOR]
ISSN:00280836
DOI:10.1038/nature06134