A 540-million-year-old fossil is rewriting evolution
出典: ScienceDaily – https://www.sciencedaily.com/releases/2025/11/251112011821.htm
A 540-million-year-old fossil is rewriting evolution
A 540-million-year-old fossil is rewriting evolution
Salterella’s strange, double-layered shell baffled scientists for decades until modern analysis tied it to jellyfish and coral relatives.
Date:
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November 12, 2025
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Source:
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Virginia Tech
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Summary:
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Over 500 million years ago, the Cambrian Period sparked an explosion of skeletal creativity. Salterella, a peculiar fossil, defied conventions by combining two different mineral-building methods. After decades of confusion, scientists have link
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