Tyrannosaurus rex, (Monty) tooth with flattened root Dilophosaurus The Hassianycteris species mastered high

The Hassianycteris species mastered high and fast flying over the tree-crowns

These animals were not truly bilateral

a commonly acknowledged maximum total length of Megalodon is 18 meters (59 feet)

Paleozoic Dig Panel

Saurolophus resembled Parasaurolophus which has a larger crest but is a distinct separate genus and species

Tyrannosaurus rex, (Monty) tooth with flattened root Dilophosaurus The Hassianycteris species mastered highSeventy 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