A collection of fossilized dinosaur bones from Wyoming features tooth marks that provide evidence that some bites were likely made by Tyrannosaurus rex, according to a study published July 15, 2026, in PLOS One by Bethania C. T. Siviero from Loma Linda University, U.
Source: [Phys.org](https://phys.org/news/2026-07-rex-responsible-tooth-fossil-bones.html)