Fossilized footprints and tracks dating back 50 million years ago discovered at the John Day Fossil Beds National Monument ...

such as an ancient tapir or rhinoceros. “These tracks offer a rare window into ancient ecosystems,” Nicholas Famoso, the ...

The scientists, led by fossil track specialist Conner Bennett, used advanced 3D imaging techniques to identify and analyze four sets of vertebrate trace fossils, including impressions left behind ...

The tracks are the first of their kind to be discovered ... the news release said. Tapir or rhinoceros ancestor (approximately 29 million years old): Three-toed, rounded hoofprints that may ...