Eons

When Ichthyosaurs Led a Revolution in the Seas

Season 2 Episode 27 | 9m 38s

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.

Aired: 08/13/19

Rating: NR

Video has closed captioning.

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