Eons: When Ichthyosaurs Led a Revolution in the Seas

9 minutes 38 seconds

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The marine reptiles Ichthyosaurs arose after the Great Dying, which wiped out at least 90 percent of life in the oceans. This event changed the seas forever and triggered a new evolutionary arms race between predator and prey. Part of the “Eons” series.

Media Details

Runtime: 9 minutes 38 seconds

Topic: History, Science
Subtopic: Ancient History, Earth Sciences, Prehistoric Life
Grade/Interest Level: 10 - 12
Release Year: 2019
Producer/Distributor: PBS Digital Studios
Series: Eons

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