Ancient worm fossil rolls back origins of animal life - Nature.com
- Ancient worm fossil rolls back origins of animal life Nature.com
- Behold Mortichnia, the Death Trail of an Ancient Worm The New York Times
- Ancient animal species: Fossils dating back 550 million years among first animal trails Phys.org
- Death march of a segmented and trilobate bilaterian elucidates early animal evolution Nature.com
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