4.3 Maiasaura Hadrosaur Dinosaur Tibia End Bone Fossil Two Medicine FM MT COA

Maiasaura is a large herbivorous saurolophine hadrosaurid ("duck-billed") dinosaur genus that lived during Upper Cretaceous Period about 65 to 70 million years ago. It had a toothless bill that was short and wide, and inside its mouth, there were hundreds of teeth that it used to chew and grind plants.