Fun Fact: The Odd Thing About the Border Between Jurassic and Cretaceous

Fun facts about the Jurassic Period

There are quite a number of periods in the Earth’s history of life. The Jurassic and Cretaceous Period have no clear border between them. While both the Triassic and Cretaceous ended with a mass extinction event, animals at the end of the Jurassic Period seemed to be lucky enough to avoid it.

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