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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Koleken lived with Carnotaurus, but as far as we know it didn't have horns. Plus a new Masiakasaurus relative Kiyacursor and a new titanosaur named Tiamat which may have had osteoderms.

For links to every news story, all of the details we shared about Mahakala, and our fun fact check out https://iknowdino.com/Mahakala-Episode-496/

Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more.

Dinosaur of the day Mahakala, a small halszkaraptorine dromaeosaurid theropod dinosaur that lived in the Late Cretaceous in what is now Mongolia's Gobi Desert.

In dinosaur news this week:

• A new close relative of Carnotaurus, named Koleken, was just described
• There’s a new noasaurid theropod, Kiyacursor longipes
• There’s a new titanosaur, Tiamat valdecii

This episode is brought to you by Rosetta Stone - The all-in-one language app. With Rosetta Stone, you’ll have everything you need to learn a language and use it in the real world. They offer immersive lessons, writing prompts, and engaging activities to prepare you for real life conversations. You can pick and choose the lessons that work best for you and create a personalized experience that is both fun and engaging. Get ready for life's adventures with over 50% off for I Know Dino listeners at RosettaStone.com/dino

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Tony and James join to discuss the status of their dinosaur documentary. Tietasaura was named from the oldest dinosaur fossils collected in South America. A new Archaeopteryx. Plus a breakdown of the major sauropod groups.

For links to every news story, all of the details we shared about Bradycneme, links from Tony and James Pinto, and our fun fact check out https://iknowdino.com/Bradycneme-Episode-495/

Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more.

Dinosaur of the day Bradycneme, a probable alvarezsaurid that was first thought to be a huge owl, but is now thought to be a fairly small non-avian theropod.

Interview with Tony and James Pinto, Tony and James are the father and son team behind the feature length documentary Why Dinosaurs? Which we have been following for years. Tony is the filmmaker and the director and James recently graduated from UC Berkeley with a degree in Integrative Biology & Geology. Follow them on Instagram @WhyDinosaurs

In dinosaur news this week:

• There’s a new elasmarian ornithopod, Tietasaura derbyiana
• The Field Museum in Chicago has a new to science Archaeopteryx on display
• The National Museum of Brazil got a donation of over 1,100 fossils that were all found in Brazil

Listener feedback:

• An interesting Triassic sauropodomorph named Pampadromaeus
• A breakdown of the major sauropod groups and what makes them unique

You can dig up real dinosaur bones this summer with Colorado Northwestern Community College! Join them for a two week immersive field paleontology experience digging up dinosaur bones from the Jurassic period in Northwest Colorado. There are two scheduled digs: July 6–July 20 and July 22–August 5. There are also two concurrent immersive lab techniques programs available. Get all the details and register online at cncc.edu/dinodig

This episode is brought to you by Rosetta Stone - The all-in-one language app. With Rosetta Stone, you’ll have everything you need to learn a language and use it in the real world. They offer immersive lessons, writing prompts, and engaging activities to prepare you for real life conversations. You can pick and choose the lessons that work best for you and create a personalized experience that is both fun and engaging. Get ready for life's adventures with over 50% off for I Know Dino listeners at RosettaStone.com/dino

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