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《科学》 第392卷 第6793期 · 2026年4月2日 · 中文解读

华南晚埃迪卡拉纪过渡动物群揭示动物谱系辐射

The dawn of the Phanerozoic: A transitional fauna from the late Ediacaran of Southwest China · G. Li et al.
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这篇讲什么
本文报道了来自中国西南云南江川生物群的一个新的晚埃迪卡拉纪化石组合,该组合保存了埃迪卡拉纪躯体化石以及可识别的非两侧对称动物和两侧对称动物的躯体及遗迹化石,为理解两侧对称动物的辐射提供了新见解。
原文开头
Gaorong Li1,2, Fan Wei1*, Wenwen Wen1,3, Xiaodong Wang4, Xiangtong Lei1,2, Ross P. Anderson5, Yang Zhao1,6, Frances S. Dunn5*, Luke A. Parry7*, Peiyun Cong1,5* Animal diversification across the Ediacaran-Cambrian transition was a crucial event in Earth history, fundamentally altering our planet and its biosphere. However, Ediacaran fossil assemblages show limited overlap with those from the Cambrian, obscuring the critical interval when the animal phyla were diversifying. We report a new terminal Ediacaran fossil assemblage preserved as carbonaceous films from the Jiangchuan Biota, Yunnan, Southwest China. This assemblage diverges from coeval sites, preserving Ediacaran body fossils alongside recognizable nonbilaterians and bilaterian body and trace fossils. These include diverse vermiform animals and the oldest deuterostomes (stem-group ambulacrarians). …
摘自《科学》(Science)第392卷 第6793期 · 2026年4月2日,G. Li et al.。仅引用开头一小段供了解文章,版权归原刊所有,全文请阅读原刊。
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