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North America's oldest known pterosaur, a flying reptile the size of a "small seagull," discovered in Arizona, researchers say
Researchers were able to date the fossil of the flying reptile, a close cousin of dinosaurs, back to more than 209 million ...
This 'ash-winged dawn goddess' is North America's newest pterosaur
Paleontologists have uncovered in Arizona a Triassic treasure trove of fossils dating back 209 million years ago.