In 2013, a broken tooth of a Tyrannosaurus rex found in ... Previous discoveries of dinosaur bones in the bellies of T-rex fossils, and even T-rex-shaped bites out of the tails of other dinosaurs ...

The museum sent a team on a dig, and they brought the fossil, encased in plaster, back to Denver. “We found this T. rex tooth, and that kind of helped us figure out that this was actually a T.