Plus teeth from a new tyrannosauroid in northeastern Thailand, a new study on tyrannosaur bite forces, an estimate for the largest ever T. rex, a new fossil digitizing tool, and our penultimate Di-Know-It-All Challenge.

For links to every news story, all of the details we shared about Kayentavenator, and our fun fact check out https://iknowdino.com/Kayentavenator-Episode-508/

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Dinosaur of the day Kayentavenator, an Early Jurassic dinosaur that lived alongside Dilophosaurus, Scutellosaurus, and Megapnosaurus/Coelophysis.

In dinosaur news this week:

• There’s a new tyrannosaur, Asiatyrannus xui, with a surprisingly deep skull for a tyrannosaur of its size
• There’s evidence of a new tyrannosauroid in northeastern Thailand
• A new study shows how biting stress and strain vary in different sized tyrannosaurs
• Dinosaurs, like Tyrannosaurus rex, probably got a lot bigger than we’ve seen in the fossil record
• A new device makes it easier for museums to digitize their fossils and share with people around the world

This episode is brought to you by Brilliant, the app with thousands of bite-sized, interactive lessons on cutting-edge topics. Anyone interested in paleontology will particularly like their courses in chemistry, which underlie the fossilization process, as well as data analysis, used to model dinosaur populations. Start your 30-day free trial today! Plus, I Know Dino subscribers can get an extra 20% off a premium annual subscription here.

You can win a large Spinosaurus tooth, fossilized leaf, and more by winning our Di-Know-It-All Challenge! Each week from episode 502 to 509 we'll read a puzzle on the show which you can enter to win by answering questions. This week you can enter at bit.ly/dinochallenge508 and if you're a patron you can answer the patron question at patreon.com/posts/110493197. All the rules for the challenge are at bit.ly/dinochallenge24

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