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

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

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 ...

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

A single deposit has produced a wealth of fossils revealing the late Triassic ecosystem, where giant amphibians cohabited with newcomers, including turtles and pterosaurs. The 12 million years leading ...

This left a gap in the fossil record, but Petrified Forest National Park didn’t get its name for nothing: The volcanic ash that burst from California’s Mojave Desert ended up in northeast Arizona’s ...

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

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

Eotephradactylus mcintireae’ is the oldest-known flying reptile from the continent and roamed the skies 209 million years ago.

Mirasaura grauvogeli had a featherlike crest and a tail like a monkey. “It's been a long time since I've been so blown away ...

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 were ...