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Was This Sea Creature Our Ancestor? Scientists Turn a Famous Fossil on Its Head.

✇NYT: Science
By: Carl Zimmer
17 June 2024 at 11:25
Researchers have long assumed that a tube in the famous Pikaia fossil ran along the animal’s back. But a new study turned the fossil upside down.

© Mussini et al., Current Biology 2024

The fossil of Pikaia, a creature that lived 508 million years ago and may have been a close relative of vertebrates.
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