Paleontologists from Japan and Mongolia have uncovered fossil footprints of massive plant-eating hadrosaurid dinosaurs from the Cretaceous period. The footprints of a massive hadrosaurid dinosaur in the western Gobi Desert, Mongolia. Image credit: Okayama University of Science. The newly-discovered hadrosaurid footprints date back to approximately 70 million years ago (Cretaceous period). One of them is around 92 cm (3 feet) across, making it one...
