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Oldest evidence of dinosaurs found in Polish footprints
Date:10/5/2010

he dinosaur group emerged soon after the Permian extinction, dinosaur-like tracks are rare in the footprint assemblages, representing only 2𔃁 percent of the prints discovered as opposed to 40󈞞 percent for crocodile-like archosaurs. Dinosaurs became more abundant tens of millions of years later.

"For the first 20󈞞 million years of dinosaur history, dinosaurs and their closest relatives were living in the shadow of their much more diverse, successful, and abundant crocodile-like cousins," says Brusatte. "The oldest dinosaurs were small and rare."


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Contact: Kristin Elise Phillips
kphillips@amnh.org
212-496-3419
American Museum of Natural History
Source:Eurekalert  

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