Fossilized penis worm suggests Grand Canyon was an evolutionary hotbed – The Washington Post

1. Fossilized penis worm suggests Grand Canyon was an evolutionary hotbed  The Washington Post
2. Grand Canyon was a ‘Goldilocks zone’ for the evolution of early animals  University of Cambridge
3. Stunning Grand Canyon Fossils Reveal Evolution’s Weird Experiments  ScienceAlert
4. Half a billion years ago, the Grand Canyon teemed with life  Courthouse News Service
5. The Grand Canyon Was a ‘Goldilocks Zone’ For Evolution  Ancient Origins

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