The most remarkable fossils you've never seen before

I Know Dino: The Big Dinosaur Podcast

I KNOW DINO, LLC

Iknowdino, Science, Dinosaurs, Dinosaur Podcast, Earth Sciences, Dinosaur, Natural Sciences, Education

4.7 • 653 Ratings

🗓️ 18 September 2025

⏱️ 75 minutes

🔗️ Recording | iTunes | RSS

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Summary

Dr. Dean Lomax and Bob Nicholls join to tell us about their upcoming book The Secret Lives of Dinosaurs (which includes some really cool fossils like an extremely rare two-headed fossil)

For links to every news story, all of the details we shared about Calamospondylus, links from Dean Lomax and Bob Nicholls, and our fun fact check out https://iknowdino.com/Calamospondylus-Episode-548/

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

Dinosaur of the day Calamospondylus, an Early Cretaceous oviraptorosaur that was probably under 2.5m (~8ft) long.

Interview with Dean Lomax and Bob Nicholls. Dean Lomax is an award-winning paleontologist, author, and presenter, as well as Honorary Research Fellow at The University of Manchester & 1851 fellow at the University of Bristol. He’s the leading authority on ichthyosaurs, and he also excavates and researches dinosaurs. Bob Nicholls is a world-renowned natural history artist who specializes in prehistoric animals, plants, and environments. His work has been published in more than 40 books and exhibited in museums, universities, and attractions around the world. There new book is The Secret Lives of Dinosaurs: Unearthing the Real Behaviors of Prehistoric Animals

In dinosaur news this week:

There’s a new iguanodontian dinosaur that had a large sail on its back, Istiorachis macarthurae

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Transcript

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0:00.0	This episode is brought to you by K-12-powered schools, tuition-free online accredited public schools for kindergarten through 12th grade.
0:09.8	Go to k-12.com slash IKD to find a tuition-free K-12-powered school near you and enroll now.
0:24.2	Hello and welcome to I Know Dino.
0:26.2	Keep up with the latest dinosaur discoveries on science with us.
0:29.1	I'm Garrett.
0:29.8	And I'm Sabrina.
0:30.8	And today in our 548th interview, we've got news of a new Aguonidantian dinosaur with a large sail on its back, as well as an interview. We've got news of a new Aguonidontian dinosaur with a large sail on its back,
0:40.6	as well as an interview with Dr. Dean Lomax and Bob Nichols about their upcoming book,
0:45.2	The Secret Lives of Dinosaurs, which has amazing illustrations and looks at some really cool
0:50.2	fossils, including one two-headed animal. Yeah. We also have Dinosaur of the Day, Callumospondalus, a misunderstood dinosaur from the Isle of
0:59.1	White, and our fun fact, which is that an early reptile had skin appendages on its back,
1:04.7	similar to feathers in a bird's wing.
1:07.5	It's another really cool fossil.
1:09.5	Yeah, we've got a bit of a theme here. A lot of Isle of
1:11.7	White, lots of cool fossils. And then, of course, we've got a great conversation with Dean and
1:17.0	Bob. It makes sense since Dean is from southern UK, which is where the Isle of White is.
1:24.7	But before we get into all of that, of course, we'd like to thank some of our patrons for helping to keep our podcast going.
1:30.5	We have three new patrons to thank this week.
1:32.9	They are Carnot, Animal Lover Forever, and Nick, thank you all for joining.
1:38.2	And all of those patrons joined at the Silasaurus level, which means they'll be getting our patch.
1:45.4	Yes. Thank you to everybody who joined at the Silasaurus tier while it was around this summer,
1:52.3	because we were celebrating 10 years of I Know Dino. So keep an eye on your mailbox for your patch.
	...

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