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News Release 09-194

Paleontologists Discover New Fossil Mammal

Chipmunk-sized animal lived 123 million years ago in the Liaoning Province in China

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Life reconstruction of the new fossil mammal, as a chipmunk-sized animal.

Life reconstruction of the new fossil mammal, as a chipmunk-sized animal.

Credit: MA Klingler, CMNH


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Map showing the location of the fossil site northeast of Beijing, China.

The fossil, about five inches long, was discovered northeast of Beijing, China.

Credit: MA Klinger/CMNH


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Illustrations showing the middle ears of a modern mammal and the newly discovered fossil mammal.

A comparison of the middle ears of a modern mammal and the newly discovered fossil mammal.

Credit: Z-X Luo/CMNH


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Illustrations showing the ear-jaw structure of the fossil and modern mammals at fetal growth stages.

The fossil ear-jaw structure is similar to that of modern mammals at fetal growth stages.

Credit: Z-H Luo/CMNH


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Cover of the October 9, 2009 issue of Science magazine.

The researchers' findings appear in the October 9 issue of Science magazine.

Credit: Copyright 2009 AAAS


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