Document Detail


New evidence for a 67,000-year-old human presence at Callao Cave, Luzon, Philippines.
MedLine Citation:
PMID:  20569967     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Documentation of early human migrations through Island Southeast Asia and Wallacea en route to Australia has always been problematic due to a lack of well-dated human skeletal remains. The best known modern humans are from Niah Cave in Borneo (40-42ka), and from Tabon Cave on the island of Palawan, southwest Philippines (47+/-11ka). The discovery of Homo floresiensis on the island of Flores in eastern Indonesia has also highlighted the possibilities of identifying new hominin species on islands in the region. Here, we report the discovery of a human third metatarsal from Callao Cave in northern Luzon. Direct dating of the specimen using U-series ablation has provided a minimum age estimate of 66.7+/-1ka, making it the oldest known human fossil in the Philippines. Its morphological features, as well as size and shape characteristics, indicate that the Callao metatarsal definitely belongs to the genus Homo. Morphometric analysis of the Callao metatarsal indicates that it has a gracile structure, close to that observed in other small-bodied Homo sapiens. Interestingly, the Callao metatarsal also falls within the morphological and size ranges of Homo habilis and H. floresiensis. Identifying whether the metatarsal represents the earliest record of H. sapiens so far recorded anywhere east of Wallace's Line requires further archaeological research, but its presence on the isolated island of Luzon over 65,000 years ago further demonstrates the abilities of humans to make open ocean crossings in the Late Pleistocene.
Authors:
Armand Salvador Mijares; Florent Détroit; Philip Piper; Rainer Grün; Peter Bellwood; Maxime Aubert; Guillaume Champion; Nida Cuevas; Alexandra De Leon; Eusebio Dizon
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-05-31
Journal Detail:
Title:  Journal of human evolution     Volume:  59     ISSN:  1095-8606     ISO Abbreviation:  J. Hum. Evol.     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-07-06     Completed Date:  2010-11-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0337330     Medline TA:  J Hum Evol     Country:  England    
Other Details:
Languages:  eng     Pagination:  123-32     Citation Subset:  IM    
Affiliation:
Archaeological Studies Program, Palma Hall, University of the Philippines, Diliman, Quezon City, Philippines. armand.mijares@up.edu.ph
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MeSH Terms
Descriptor/Qualifier:
Electron Spin Resonance Spectroscopy
Fossils*
Humans / anatomy & histology*
Metatarsal Bones / anatomy & histology*
Philippines
Uranium / analysis*
Chemical
Reg. No./Substance:
7440-61-1/Uranium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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