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Updated: May 11, 2026

Ablation of a Single Cell From Eight-cell Embryos of the Amphipod Crustacean Parhyale hawaiensis
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古生物学:剥离和修复埃迪亚卡拉的胚胎

Shuhai Xiao1, Chuanming Zhou, Xunlai Yuan

  • 1Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24060, USA.

Nature
|April 6, 2007
PubMed
概括

埃迪亚卡的微化石Megasphaera和Parapandorina不太可能是细菌. 新的观测挑战了这些化石作为硫化物氧化细菌的解释,表明它们不是动物休息卵.

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Published on: November 14, 2025

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The Fossil Record02:56

The Fossil Record

The fossil record documents only a small fraction of all organisms that have ever inhabited Earth. Fossilization is a rare process, and most organisms never become fossils. Moreover, the fossil record only exhibits fossils that have been discovered. Nevertheless, sedimentary rock fossils of long-lived, abundant, hard-bodied organisms dominate the fossil record. These fossils offer valuable information, such as an organism's physical form, behavior, and age. Studying the fossil record helps...