A peculiar, 220-million-year-old species of burrowing reptiles that evaded scientists has been found, fossilized. A team of National Park Service interns are credited with its discovery. Hidden in a once-vibrant part of Arizona's Petrified Forest National Park, the burgeoning paleontologists unearthed fossils of the Skybalonyx skapter, an "anteater-like reptile" that probably predates dinosaurs, according to findings published this month in the Journal of Vertebrate Paleontology. It's a new species of a reptile previously thought to only live in trees. The unusual Skybalonyx skapter belongs to the group Drepanosaur, often considered the ugly duckling of reptiles (perhaps partly because they bore...