Petrified Forest National Park, Arizona, July 7, 2025 – A Smithsonian-led research team has discovered the oldest known pterosaur in North America, a sea gull-sized winged reptile that lived 209 million years ago during the late Triassic period. The fossilized jawbone of the new species, named Eotephradactylus mcintireae, was unearthed alongside hundreds of other fossils, […]