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

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

Paleontologists know the bone bed as PFV 393. The late fossil preparator Bill Amaral found the site in 2011 on a field trip ...

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

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

A Smithsonian-led team of researchers have discovered North America's oldest known pterosaur, the winged reptiles that lived ...

The gull-sized pterosaur was found at the Petrified Forest National Park in Arizona along with hundreds of other fossils dating back 209 million years—to the late Triassic period,—filling a gap in the ...

Smithsonian researchers have linked discoveries within Arizona’s Petrified Forest National Park with a previously unknown ...

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

Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying ...

A rare Triassic fossil site reveals North America's oldest known pterosaur, Eotephradactylus mcintireae, in what was once a ...