来自阿根廷布宜诺斯艾利斯省巴拉德罗的罗斯“人类化石”:形态学和遗传学分析。

IF 3 2区 地球科学 Q1 PALEONTOLOGY
Swiss Journal of Palaeontology Pub Date : 2023-01-01 Epub Date: 2023-10-04 DOI:10.1186/s13358-023-00293-3
Lumila Paula Menéndez, Chiara Barbieri, Idalia Guadalupe López Cruz, Thomas Schmelzle, Abagail Breidenstein, Rodrigo Barquera, Guido Borzi, Verena J Schuenemann, Marcelo R Sánchez-Villagra
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引用次数: 4

摘要

来自阿根廷布宜诺斯艾利斯省巴拉德罗的“人类化石”是古生物学家圣地亚哥·罗斯首次发现并由人类学家鲁道夫·马丁进一步研究的骨骼部分的集合。到19世纪末20世纪初,它被认为是南美洲南锥体最古老的人类骨骼之一。在这里,我们展示了跨学科方法研究古代个体遗骸并将其置于背景中的结果。我们通过首先汇编与历史信息相关的现有证据和任何以前关于这个人的科学出版物来讨论这一发现的背景。然后,我们进行了骨生物学评估,根据形态学特征评估了骨骼的性别、年龄和整体保存情况。为了获得颅骨的三维虚拟重建,我们对选定的颅骨碎片和下颌骨进行了高分辨率CT扫描。随后提取了骨组织和牙齿样本进行放射性碳和基因分析,由于保存不善和可能受到污染,结果有限。我们估计,巴拉德罗的个体是一名中年成年男性。我们得出的结论是,用当前的方法论工具对基础藏品的修订带来了新的见解,并澄清了长期以来对考古尚未专业化时回收的样本重要性的假设。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

On Roth's "human fossil" from Baradero, Buenos Aires Province, Argentina: morphological and genetic analysis.

On Roth's "human fossil" from Baradero, Buenos Aires Province, Argentina: morphological and genetic analysis.

On Roth's "human fossil" from Baradero, Buenos Aires Province, Argentina: morphological and genetic analysis.

On Roth's "human fossil" from Baradero, Buenos Aires Province, Argentina: morphological and genetic analysis.

The "human fossil" from Baradero, Buenos Aires Province, Argentina, is a collection of skeleton parts first recovered by the paleontologist Santiago Roth and further studied by the anthropologist Rudolf Martin. By the end of the nineteenth century and beginning of the twentieth century it was considered one of the oldest human skeletons from South America's southern cone. Here, we present the results of an interdisciplinary approach to study and contextualize the ancient individual remains. We discuss the context of the finding by first compiling the available evidence associated with the historical information and any previous scientific publications on this individual. Then, we conducted an osteobiographical assessment, by which we evaluated the sex, age, and overall preservation of the skeleton based on morphological features. To obtain a 3D virtual reconstruction of the skull, we performed high resolution CT-scans on selected skull fragments and the mandible. This was followed by the extraction of bone tissue and tooth samples for radiocarbon and genetic analyses, which brought only limited results due to poor preservation and possible contamination. We estimate that the individual from Baradero is a middle-aged adult male. We conclude that the revision of foundational collections with current methodological tools brings new insights and clarifies long held assumptions on the significance of samples that were recovered when archaeology was not yet professionalized.

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来源期刊
Swiss Journal of Palaeontology
Swiss Journal of Palaeontology Earth and Planetary Sciences-Paleontology
CiteScore
4.30
自引率
16.70%
发文量
17
审稿时长
4 weeks
期刊介绍: The Swiss Journal of Palaeontology publishes original research and review articles of interest to the international community in the fields of palaeontology, taxonomy and systematics, while recognising at the same time the importance of documenting high-quality palaeontological data in a regional context. Palaeobiology in combination with alpha taxonomy is a core topic of the journal. Submitted papers should have an appeal as wide as possible, directed towards an international readership. Contributions should not have been simultaneously submitted elsewhere, and the overlap of content between related articles should be minimal. Duplications of text and the use of previously published illustrations without adequate citation are unacceptable. If a manuscript has two or more authors, both or all have to sign to confirm they all were involved in the work and have agreed to its submission. The preferred manuscript language is UK English, but consistently used US English is also acceptable. We encourage the publication of proceedings of international meetings as well as special thematic issues. Short contributions and book reviews are also accepted. An international editorial team as well as guest editors guarantee that the thematic issues as well as all articles in regular issues are peer-reviewed and meet the highest standards.
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