The relics of dinosaurs and prehistoric species abound in Arizona, telling the story of life on Earth from hundreds of millions of years ago. Based on records from the Paleobiology Database, a public ...
WASHINGTON (Reuters) -Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying reptile, that reveal a time of transition when venerable ...
Tucked away in a remote bonebed in Arizona's Petrified Forest National Park laid hundreds of fossils, including a fragile jawbone belonging to one of the oldest-known flying reptiles: the pterosaur.
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