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성춘택,성연빈,정동희 한국상고사학회 2022 한국상고사학보 Vol.116 No.116
Phylogenetic analyses have been successfully applied to establishing lineages and trajectories of changes of archaeological materials. The present study attempts to apply principles and techniques of phylogenetics to archaeology and produce phylogenetic trees of a large collection of chipped stone arrowheads from Gosan-ri, Jeju. Recent excavations provided new lights on human occupations at Gosan-ri: radiocarbon dates and artifacts suggest that the site was formed by repeated visits of hunter-gatherers spanning almost 5000 years of the Neolithic. More than 1300 arrowheads, or points, were collected and they were made by the same chipped stone technology based on essentially same hunting and gathering way of subsistence economy with no evidence of external migration or notable diffusion. This is why we believe that a phylogenetic tree can adequately depict the persistence and change of artifact lineages. Based on paradigmatic classification using attributes and attribute states such as maximum length, morphology of haft elements, and angle of base and stem, we use PAUP* to produce workable phylogenetic trees of stone arrowhead classes. The result shows that stemmed arrowheads and those with no stem are the two most prominent classes that were likely diverged early and many varieties evolved subsequently in the branches. We also discuss the issue of homology and analogy (homoplasy) and how to distinguish the two from archaeological situations. We expect that the present endeavor will encourage future studies of reconstructing and discussing lineages based on archaeological cases by applying phylogenetic analysis.
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