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

Learn more about Eotephradactylus mcintireae, the oldest Late Triassic Pterosaur in North America that was about the size of sea gull.

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 ...

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

A groundbreaking discovery in Arizona’s Petrified Forest reveals North America’s oldest pterosaur.

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

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

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

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

The newly found fossils are 209 million years old and include at least 16 vertebrate species, seven of them previously unknown.