In the sunbaked badlands of Arizona’s Petrified Forest, scientists uncovered a tiny jawbone that turned out to be North America’s oldest known pterosaur—a flying reptile that soared the skies over 209 million years ago. This rare fossil, along with hundreds of others including one of the earliest armored turtles, reveals a thriving and diverse Triassic […]



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In Arizona’s Petrified Forest, scientists discovered North America’s oldest pterosaur fossil, a tiny jawbone dating back 209 million years. This find reveals the existence of flying reptiles during the Triassic period. The pterosaur fossil joins hundreds of other fossils found in the region, including one of the earliest armored turtles, offering a glimpse into a vibrant and diverse Triassic ecosystem. This suggests that the area was once a rich environment supporting various ancient creatures.

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