When Ichthyosaurs Led a Revolution in the Seas - S3.E20 - Eons
The marine reptiles Ichthyosaurs arose after The Great Dying, which wiped out at least 90 percent of life in the oceans, changing the seas forever and triggering a new evolutionary arms race between predator and prey.
When Ichthyosaurs Led a Revolution in the Seas - S3.E20 - Eons
June 25, 2019
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