Fri, 10/24/2025 - 12:47 Gizmodo Two duck-billed dinosaur carcasses were preserved in a thin layer of clay for 66 million years. Now, they’ve helped researchers recreate their living appearance. Tags Biology, Cretaceous, dinosaurs, fossils, paleontology Source Rare Dinosaur ‘Mummies’ Show Their Features as We’ve Never Seen Them Before