The new discovery could mean that mammals existed millions of years earlier than once believed.

By: KDKA-TV News Staff

PITTSBURGH (KDKA) – Researchers from the Carnegie Museum of Natural History and Indiana University of Pennsylvania have found a surprising clue about the evolution of the ears of mammals.

READ MORE: Clemson Continues Domination Of Pitt In 75-48 Loss For Panthers

Originally, scientists thought that the “middle ears” of modern mammals were the result of unique adaptations, but now, experts believe they evolved over time.

READ MORE: Nittany Lions Baffled By Murray Brothers, Lose 68-51 To Iowa

The local teams studied fossils of a gliding mammal, similar to a modern flying squirrel, to make the discovery.

MORE NEWS: Ohio Redistricting Commission Once Again Fails To Pass Legislative Maps

Their conclusion may mean that mammals originated millions of years earlier than previously thought.