We explore the differences between the key groups of theropods. Plus an amazing new Psittacosaurus find; The new Allosaurus type specimen is official; And new techniques confirm another predator that lived alongside Spinosaurus.

For links to every news story, all of the details we shared about Cruxicheiros, and our fun fact check out https://iknowdino.com/Cruxicheiros-Episode-497/

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Dinosaur of the day Cruxicheiros, a tetanuran theropod that lived in the Middle Jurassic in what is now Warwickshire, England.

In dinosaur news this week:

A new exceptional Psittacosaurus has both reptile like scaly skin and bird like feather-covered skin
Allosaurus has a new type specimen (the Smithsonian’s skeleton)
Combining multiple techniques to study isolated teeth, paleontologists found four different types of theropods in the Kem Kem Beds in Morocco, including a rare noasaurid

Listener Question: The major groups of theropods and their unique characteristics

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How to Tell a Tyrannosauroid from a Ceratosaur and a Maniraptoran 46:37 Share

I Know Dino: The Big Dinosaur Podcast

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How to Tell a Tyrannosauroid from a Ceratosaur and a Maniraptoran