Tyrannosaurus rex, (Monty) tooth with flattened root Dilophosaurus Paleozoic Dig Panel

Paleozoic Dig Panel

Guangxi Province

and elements from a baby Triceratops

These animals were not truly bilateral

Tyrannosaurus rex, (Monty) tooth with flattened root Dilophosaurus Paleozoic Dig PanelSeventy million years ago, a hulking T. rex nicknamed Monty chomped into a fresh carcass. As the giant meat eater's teeth ripped flesh from bone, this large tooth may have broken loose and fell to the ground and over time became fossilized. The pressure of the overburden burying the tooth crushed the root of the tooth making it appear extra wide. T. rex commonly lost teeth like this one in a process we call "shedding." These teeth are usually found by