Scientists unearth fossils of ‘previously unknown species’ from dinosaur era - The newly-found fossils are 209 million years old and include pterosaurs, primitive frogs and lizard-like reptiles ...

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 ...

The 209-million-year-old fossil offers clues to the evolution of the reptiles, which have more than 150 named species ...