North America’s oldest known pterosaur, a flying reptile the size of a “small seagull,” discovered in Arizona, researchers say
For paleontologist Ben Kligman, the question was: Is this fragile jawbone a pterosaur or not? Other researchers also had questions about the fossil, unearthed along with thousands of others during a decades-long archaeological dig at a remote bone bed in the Petrified Forest National Park in Arizona. Some thought the bone could’ve been a mammal, Kligman…
