Jurassic squirrels: Fossils shed light on early mammal evolution

September 10, 2014 5:07 PM

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Jurassic squirrels: Fossils shed light on early mammal evolution

Researchers have discovered fossils of three previously unknown species of squirrel-like animals that lived in China millions of years ago.

The new study outlining the discovery supports the idea that the earliest mammals may have originated about 200 million years ago. That's millions of years earlier than previous research suggested. The findings may help scientists better understand how and when those first mammals diversified.

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