Tyrannosaurus rex, tooth with serrations Troodon though it doesn't appear that

though it doesn't appear that any of these three lived at the same time

Chasmosaur tibia & fibula

a synaptosaurian aquatic reptile of uncertain ancestry

Other Mosasaur fossils have been found in the Phosphate mines of Khouribga

Tyrannosaurus rex, tooth with serrations Troodon though it doesn't appear thatTyrannosaurs rex Tooth With Great Serrations The original tooth was found in the Hell Creek Formation of South Dakota and is 3. 5 inches long. Yes, T rex teeth were big and strong but they did break them while feeding and crushing the bones of other dinosaurs. These broken teeth are called shed teeth. Fortunately, when a tooth was broken or shed it was slowly replaced by another tooth growing out of the jaw. Its teeth were also serrated just like a