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Pterosaur fossils discovered in Arizona's Petrified Forest National Park
Fossils of the pterosaur were discovered in Petrified Forest National Park. The fossils date back 209 million years.
Greek Reporter59 分钟
Oldest Flying Reptile in North America Discovered in Arizona Fossil Bed
Scientists identify the oldest flying reptile in North America, discovered in Arizona and dating back 209 million years.