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Cambrian microfossils reveal earliest known ringed worms from 535 million years ago
- April 20, 2026 at 9:00 PM
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Scientists have uncovered the earliest fossil evidence of annelids (ringed worms) in Cambrian microfossils dating back approximately 535 million years ago. This discovery offers fresh insights into the origin and early evolution of the annelids, a group of animals that includes bristle worms, earthworms, leeches, and peanut worms.
Originally published at Phys.org