Baiyinosaurus was one of the earliest stegosaurs ever found (from the Middle Jurassic); Debate on the evolution of the tyrannosaur Daspletosaurus; Miragaia updates; And our latest Di-Know-It-All Challenge!

For links to every news story, all of the details we shared about Miragaia, and our fun fact check out https://iknowdino.com/Miragaia-Episode-504/

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Dinosaur of the day Miragaia, a stegosaur that may be a synonym of Dacentrurus (which was named first).

In dinosaur news this week:

• There’s a new stegosaur, Baiyinosaurus baojiensis
• A new study reaffirms that Daspletosaurus species evolved into one another (anagenesis)
• Elopteryx might be a strange climbing dinosaur with a long tail, and synonymous with Balaur

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/dinochallenge504 and if you're a patron you can answer the patron question at patreon.com/posts/107966271. All the rules for the challenge are at bit.ly/dinochallenge24

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