A 540-million-year-old fossil is rewriting evolution

ScienceDaily
Nov 12, 2025, 9:57 am86 pts
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 linked it to the cnidarian family. The find deepens our understanding of…

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