郧县头盖骨的系统发育位置阐明了龙人和丹尼索瓦人的起源

IF 45.8 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Science Pub Date : 2025-09-25 DOI:10.1126/science.ado9202

Xiaobo Feng, Qiyu Yin, Feng Gao, Dan Lu, Qin Fang, Yilu Feng, Xuchu Huang, Chen Tan, Hanwen Zhou, Qiang Li, Chi Zhang, Chris Stringer, Xijun Ni

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引用次数: 0

摘要

在中更新世时期，不同形式的人属共存。这些人类化石是否代表不同的物种或分支一直存在争议。距今约100万年的中国云县2号化石对认识人的枝进化和智人的起源具有重要意义。在本研究中，我们使用最新引进的技术修复和重建了变形的云县2号颅骨。结果表明，该头盖骨具有嵌合的原始和衍生特征。形态计量学和系统发育分析表明，它是亚洲长智人支系的早期成员，该支系包括丹尼索瓦人，是智人支系姊妹支系的主要部分。智人和长智人的进化分支都有很深的根，延伸到中更新世以后，并可能经历了早期的快速多样化。云县2号可能保留了接近两个分支起源的过渡性特征。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

The phylogenetic position of the Yunxian cranium elucidates the origin of Homo longi and the Denisovans

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The phylogenetic position of the Yunxian cranium elucidates the origin of Homo longi and the Denisovans

Diverse forms of Homo coexisted during the Middle Pleistocene. Whether these fossil humans represent different species or clades is debated. The ~1-million-year-old Yunxian 2 fossil from China is important for understanding the cladogenesis of Homo and the origin of Homo sapiens. In this study, we restored and reconstructed the distorted Yunxian 2 cranium using recently introduced technology. The results show that this cranium displays mosaic primitive and derived features. Morphometric and phylogenetic analyses suggest that it is an early member of the Asian H. longi clade, which includes the Denisovans and is the main part of the sister group to the H. sapiens clade. Both the H. sapiens and H. longi clades have deep roots extending beyond the Middle Pleistocene and probably experienced rapid early diversification. Yunxian 2 may preserve transitional features close to the origins of the two clades.

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来源期刊

Science 综合性期刊-综合性期刊

CiteScore

61.10

自引率

0.90%

发文量

审稿时长

2.1 months

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