墨西哥晚更新世人类Naia的牙齿形态与sinodon /Sundadont问题

IF 1.6 Q1 ANTHROPOLOGY PaleoAmerica Pub Date : 2021-04-03 DOI:10.1080/20555563.2021.1895531
A. Cucina, Elma Maria Vega Lizama, J. Chatters
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引用次数: 1

摘要

摘要:最早的美国人的牙齿形态鲜为人知,部分原因是现有数据大多未发表,另一部分原因是在为数不多的完整牙列中,牙齿磨损通常非常严重。Naia是一位来自墨西哥尤卡坦半岛的13000–12000岁年轻女性,她的遗骸拥有完整的牙齿记录,状况良好,这为记录早期古印度人的牙齿形态提供了独特的机会,也为解决关于这些第一批人是表现出Sundadont还是Sinodot牙齿形态的长期争论提供了机会。作为一个个体,她的齿列会很适合Sinodot组。然而,当她被纳入可以自信地放置在约9000年前的北美骨骼遗骸中时,一种不同的模式出现了。古印第安人巧妙地介于这两种牙齿模式之间,这表明北美的创始人口表现出自己的牙齿模式,独立于东亚亲属。
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Dental Morphology of Naia, a Late Pleistocene Human from Mexico and the Sinodont/Sundadont Issue
ABSTRACT The dental morphology of the earliest Americans is poorly known, partly because existing data are largely unpublished and partly because dental wear is typically extreme in the few complete dentitions available. The remains of Naia, a 13,000–12,000 year-old young woman from Mexico's Yucatan Peninsula, possess a complete dental record in perfect condition, offering the unique opportunity to record the dental morphology of an early Paleoindian and a chance to address the long-standing debate about whether these first people exhibited Sundadont or Sinodont dental morphology. As an individual, her dentition would fit comfortably in the Sinodont grouping. However, when she is included in the population of North American skeletal remains that can be confidently placed before ∼9000 years ago, a different pattern emerges. The Paleoindians fall neatly between the two dental patterns, suggesting that the founding North American population exhibits a dental pattern of its own, independent of its east Asian relatives.
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来源期刊
PaleoAmerica
PaleoAmerica Earth and Planetary Sciences-Paleontology
CiteScore
3.70
自引率
0.00%
发文量
15
期刊介绍: PaleoAmerica disseminates new research results and ideas about early human dispersal and migrations, with a particular focus on the Americas. It fosters an interdisciplinary dialog between archaeologists, geneticists and other scientists investigating the dispersal of modern humans during the late Pleistocene. The journal has three goals: First and foremost, the journal is a vehicle for the presentation of new research results. Second, it includes editorials on special topics written by leaders in the field. Third, the journal solicits essays covering current debates in the field, the state of research in relevant disciplines, and summaries of new research findings in a particular region, for example Beringia, the Eastern Seaboard or the Southern Cone of South America. Although the journal’s focus is the peopling of the Americas, editorials and research essays also highlight the investigation of early human colonization of empty lands in other areas of the world. As techniques are developing so rapidly, work in other regions can be very relevant to the Americas, so the journal will publish research relating to other regions which has relevance to research on the Americas.
期刊最新文献
Current Research from Center for the Study of the First Americans Scholars Chindadn Bifaces and the Archaeology of Terminal-Pleistocene Alaska Experimental Investigations of Eastern Beringian Hunting Technologies Topper Site Revisited: Exploring Spatial Organization of Clovis Life at the Quarry Late Pleistocene Faunal Assemblages from Karst Cave Settings on Northern Vancouver Island, Canada
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