Last updated on April 17, 2014 at 8:41 EDT
Paleontologists Discover New Mammal
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Paleontologists Discover New Mammal

July 27, 2010
An artist's representation of Yanoconodon allini, a 125-million-year-old mammal that lived during the Mesozoic Era, in what is now the Hebei Province in China.

The fossil discovery, which was made by a National Science Foundation-funded international team of researchers, provides first-hand evidence of early evolution of the mammalian middle ear--one of the most important features for all modern mammals.