Tetrapods once inhabited the ancient desert environment at the Grand Canyon National Park. NPS/File Photo
Arizona

New Fossil Footprints Found at Grand Canyon National Park

Tetrapods once inhabited the ancient desert environment at the Grand Canyon National Park. NPS/File Photo GRAND CANYON – An international team of paleontologists has united to study important fossil footprints recently discovered in a remote location within Grand Canyon National Park.  A large sandstone boulder contains several exceptionally well-preserved trackways of primitive tetrapods (four-footed animals) Read more