The 209-million-year-old fossil offers clues to the evolution of the reptiles, which have more than 150 named species ...

Researchers were able to date the fossil of the flying reptile, a close cousin of dinosaurs, back to more than 209 million ...

A Smithsonian-led research team has discovered the oldest known pterosaur in North America, a sea gull-sized winged reptile ...

Fossils of the pterosaur were discovered in Petrified Forest National Park. The fossils date back 209 million years.

A fossil from a seagull-sized winged reptile that lived millions of years ago was found in Arizona, and the creature has now ...

In the remote reaches of Arizona s Petrified Forest National Park, scientists have unearthed North America's oldest known pterosaur a small, gull-sized flier that once soared above Triassic ecosystems ...

Paleontologists have uncovered in Arizona a Triassic treasure trove of fossils dating back 209 million years ago.

Scientists identify the oldest flying reptile in North America, discovered in Arizona and dating back 209 million years.

Smithsonian scientists have uncovered North America’s oldest known pterosaur from a 209-million-year-old bonebed in Arizona’s ...