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News From the Field
Oldest Fossils of Large Seaweeds, Possible Animals Tell Story About Oxygen in an Ancient Ocean
February 17, 2011
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Almost 600 million years ago, before the Cambrian explosion, a community of seaweeds and worm-like animals lived in a quiet deep-water niche under the sea near what is now Anhui Province of South China. Then they simply died, leaving some 3,000 nearly pristine fossils preserved between beds of black shale deposited in oxygen-free waters. Scientists from China and the U.S. report the discovery of the fossils and the mystery.
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Source
Virginia Tech
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