A tyrannosaur tooth embedded in a hadrosaur skull

A tyrannosaur tooth embedded in a hadrosaur skull

May 13, 2026 · 1h 21m · Episode 565

About this episode

The episode discusses various paleopathologies found in dinosaurs, including a tyrannosaur tooth embedded in a hadrosaur skull.

plus hadrosaurs breaking their tails while mating, a diplodocoid with a broken tail tip, and many more paleopathologies. For links to every news story, all of the details we shared about Koparion , and our fun fact check out https://iknowdino.com/Koparion-Episode-565/ Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more. Dinosaur of the day Koparion, a small troodontid we only know from a tooth. In dinosaur news this week: There’s a new herrerasaur, Ptychotherates bucculentus Hadrosaurs may have injured their tails while mating A Barosaurus with a long whip-like tail had a fracture at the tip of its tail A tyrannosaur lost the tip of its tooth in the skull of an Edmontosaurus A Plateosaurus with a bone infection in its right arm is the oldest known dinosaur bone infection Cancer has been around for millions of years, including in dinosaurs A few titanosaurs were found with cysts in their tails A mamenchisaurid sauropod had a tumor on its shoulder and arm   Tell us what you think about our show in our 2026 IKD Survey ! We want our show to be as enjoyable as possible, and your input will help us improve. Head to…

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