Spinosaurids had powerful enough jaws and teeth to go after large prey, just not sharp enough to take out bites. Plus, more on the aquatic spinosaurs debate, and more spinosaur updates.

For links to every news story, all of the details we shared about Tachiraptor, and our fun fact check out https://iknowdino.com/Tachiraptor-Episode-514/

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

Dinosaur of the day Tachiraptor, a small carnivorous theropod that was found in the mountains of Venezuela.

In dinosaur news this week:

• Spinosaurids had the skull and teeth to go after large prey
• Instead of crocodile mimics, maybe spinosaurs should be considered phytosaur mimics
• Spinosaurus had at least one other spinosaurine living along side it in the Kem Kem beds in Morocco
• A tooth in Thailand that was long thought to be from an ichthyosaur was actually from a spinosaur

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Juvenile Daspletosaurus skull bones; Modern birds have high Encephalization Quotients from their non-avian dinosaur ancestors; Dinosaur size estimate problems; Plus new non-fiction dinosaur books

For links to every news story, all of the details we shared about Suzhousaurus, and our fun fact check out https://iknowdino.com/Suzhousaurus-Episode-513/

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

Dinosaur of the day Suzhousaurus, a large therizinosaur theropod that had one of the longest upper arm bones of any theropod.

In dinosaur news this week:

• Three immature Daspletosaurus skull bones help show how the dinosaur changed (and didn’t change) as it grew up
• Modern birds have high EQs which they evolved from non-avian dinosaurs
• Scientists caution on how to estimate sizes and body shapes of extinct animals (be careful what animals you compare it to)

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.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

The sauropodomorph Lufengosaurus appears to have fed its young. Plus two new dinosaurs, a ceratopsian and a titanosaur; Plateosaurus tail injuries; and the connection between the bubonic plague and dinosaurs.

For links to every news story, all of the details we shared about Saichania, and our fun fact check out https://iknowdino.com/Saichania-Episode-512/

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

Dinosaur of the day Saichania, an ankylosaur known for its pretty face.

In dinosaur news this week:

• There’s a new ceratopsian dinosaur, Sasayamagnomus saegusai
• There’s a new titanosaur sauropod, Qunkasaura pintiquiniestra
• Damage to a number of tails may mean the sauropodomorph Plateosaurus often had to live with its injuries
• Long necked dinosaurs did care! The basal sauropodomorph Lufengosaurus probably took care of and fed its young

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.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Edward Dolnick joins to discuss how scientists and the general public viewed dinosaurs in the early 1800s. Plus hadrosaurs living in age-separated groups, two new hadrosauroids: Coahuilasaurus from Mexico and Qianjiangsaurus from China, and the latest installment in the Jurassic Park franchise will be called Jurassic World Rebirth and come out on July 2, 2025

For links to every news story, all of the details we shared about Theiophytalia, links from Edward Dolnick, and our fun fact check out https://iknowdino.com/Theiophytalia-Episode-511/

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

Dinosaur of the day Theiophytalia, an iguanodontian that was originally thought to be from the Jurassic (due to a Bone Wars shipping mix-up), but actually lived in the Early Cretaceous in what is now Colorado.

Interview with Edward Dolnick, the author of the book, Dinosaurs at the Dinner Party, which is about how a group of Victorians discovered prehistoric animals and it changed our understanding of the world

In dinosaur news this week:

• There’s a new kritosaurin hadrosaur dinosaur, Coahuilasaurus lipani
• There’s a new hadrosauroid ornithopod dinosaur, Qianjiangsaurus changshengi
• The hadrosaur Hypacrosaurus lived in groups separated by age (juveniles lived separately from adults)
• The new Jurassic World film, coming out next July 2, has a title: Jurassic World Rebirth

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.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Alpkarakush kyrgyzicus was just named from Kyrgyzstan, plus a new abelisaurid from France, and a Triassic dinosaur in Brazil. We also discuss if dinosaur mounts are art and a few new dinosaur books.

For links to every news story, all of the details we shared about Confuciusornis, and our fun fact check out https://iknowdino.com/Confuciusornis-Episode-510/

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

Dinosaur of the day Confuciusornis, a crow-sized dinosaur that is known from potentially over 1,000 specimens.

In dinosaur news this week:

• There’s a new allosauroid theropod dinosaur, Alpkarakush kyrgyzicus, that was found in Kyrgyzstan
• There’s a new abelisaurid theropod dinosaur, Caletodraco cottardi, described from Normandy, France
• Should dinosaur skeletal mounts be considered works of art?
• A couple new dinosaur books

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.

This episode is brought to you by BetterHelp. Give online therapy a try at betterhelp.com/IKD

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Susan Butts joins us to explain all the changes and upgrades at the newly renovated Yale Peabody Museum! Plus, new sauropods from Argentina include Campananeyen and a couple of unnamed titanosauriforms. And Australotitan may be a junior synonym.

For links to every news story, all of the details we shared about Ruyangosaurus, links from Susan Butts, and our fun fact check out https://iknowdino.com/Ruyangosaurus-Episode-509/

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

Dinosaur of the day Ruyangosaurus, a very large titanosauriform sauropod from the Early Cretaceous.

Interview with Susan Butts, the Director of Collections & Research at the Yale Peabody Museum and her background is as an invertebrate paleontologist

In dinosaur news this week:

• There’s a new rebbachisaurid, Campananeyen fragilissimus
• There are new titanosauriform sauropods in the Portezuelo Formation of Patagonia
• Australotitan (a.k.a.) “Cooper” may be a junior synonym of the sauropod Diamantinasaurus

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! 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. Get your answers in by 8/31/2024 at 11:59pm PDT! All the rules for the challenge are at bit.ly/dinochallenge24

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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/

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

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

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Harenadraco, the sand dragon; Hypnovenator the sleep hunter; and Urbacodon norelli, Norell's URBA-tooth are all recently named troodontids. Plus some new good kid's books and our sixth Di-Know-It-All Challenge.

For links to every news story, all of the details we shared about Tianyuraptor, and our fun fact check out https://iknowdino.com/Tianyuraptor-Episode-507/

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

Dinosaur of the day Tianyuraptor, a small raptor from China, with unusually short arms.

In dinosaur news this week:

• The "sand dragon" from Mongolia, Harenadraco prima [sic], is the first troodontid from the Baruungoyot Formation
• There’s a new troodontid dinosaur, Hypnovenator matsubaraetoheorum, found in a sleeping position in Japan
• There’s a new troodontid species, Urbacodon norelli, known for its large unique teeth

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/dinochallenge507 and if you're a patron you can answer the patron question at patreon.com/posts/110070921. All the rules for the challenge are at bit.ly/dinochallenge24

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.