Science Daily·3 min read·medium
Did T. rex leave these 66-million-year-old bite marks?
✦AI Summary
Paleontologists have identified 66-million-year-old fossilized bones in Wyoming featuring bite marks consistent with Tyrannosaurus rex. The study suggests these marks were likely made during predation or scavenging events.
Fossilized dinosaur bones uncovered in Wyoming contain tooth marks that were likely made by Tyrannosaurus rex , according to research published July 15, 2026, in the open-access journal PLOS One . The study was led by Bethania C. T. Siviero of Loma Linda University and her colleagues.
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