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.

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

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.

WASHINGTON: 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 ...

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 ...

The large flying reptiles known as pterosaur preyed on primitive fish that would have hard scale armour covering them.