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

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 ...

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

The new type of pterosaur, named Eotephradactylus mcintireae, was identified by a Smithsonian-led research team, according to ...

At a remote bone bed in Arizona, dense with fossils dating back around 209 million years, a Smithsonian-led team of ...

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

A gull-sized flying reptile has emerged from fossil-rich layers of Arizona’s Petrified Forest, revealing the earliest known ...

Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying reptile, that reveal a time of transition when venerable lineages that ...

An artist's depiction of a landscape from 209 million years ago at Petrified Forest National Park in Arizona, based on fossils of plants and animals ...