The most complete pachycephalosaur ever found!
I Know Dino: The Big Dinosaur Podcast
I KNOW DINO, LLC
4.7 • 653 Ratings
🗓️ 26 November 2025
⏱️ 65 minutes
🧾️ Download transcript
Summary
Zavacephale is both the oldest and most complete pachycephalosaur ever found. Plus three more new dinosaurs and Michele Hollow joins us to discuss Mary Anning.
For links to every news story, all of the details we shared about Stenopelix, links from Michele Hollow, and our fun fact check out https://iknowdino.com/Stenopelix-Episode-553/
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Dinosaur of the day Stenopelix, a small (likely) ceratopsian that we only know from impressions in sandstone slabs.
Interview with Michele Hollow, an award-winning journalist, and author of the book “Jurassic Girl: The Adventures of Mary Anning, Paleontologist and the First Female Fossil Hunter”, a historical fiction book for both young and less young readers.
In dinosaur news this week:
- The most complete and oldest known pachycephalosaur was discovered and named Zavacephale rinpoche
- There’s a new "thunder dome" pachycephalosaur, Brontotholus harmoni
- There’s a new flat-headed hadrosaur, Ahshislesaurus wimani, that was as large as a T. rex
- There’s a new hadrosaur dinosaur from Morocco named Taleta taleta (yes the genus and species name are the same)
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Transcript
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| 0:00.0 | Hello and welcome to I Know Dino. |
| 0:08.8 | Keep up with the latest dinosaur discoveries and science with us. |
| 0:11.9 | I'm Garrett. |
| 0:12.4 | And I'm Sabrina. |
| 0:13.4 | And today in our 553rd episode, we have four new dinosaurs. |
| 0:19.4 | That is so many dinosaurs. |
| 0:22.8 | Including two dome-headed Pachycephalosaurs. So this is a mini packypalooza because one of them is such a cool find that |
| 0:29.2 | it's got a really pretty skull and it fills in a lot of gaps about packies. Plus we've got two new |
| 0:35.1 | duck-billed hadrosaurs that prove just how successful this group was in case you were wondering. Mm-hmm. But we lead with the Pachycephalosaurus because we know hadosaurs, they don't grab the headlines the same way. Well, we have met quite a few hadresor fans, so. That's true. And in our patron shoutouts, I think there's at least two of them. |
| 1:00.3 | We also have an interview with Michelle Hollow, author of Jurassic Girl, and we talk all about a young Mary Anning. |
| 1:02.2 | And Dinosaur of the Day, Stenopelix, a small, likely serotopsian that we only know from |
| 1:08.1 | impressions in sandstone slabs. |
| 1:11.4 | And we have our fun fact, which is that tens of millions of years ago, |
| 1:14.7 | dinosaurs started getting shorter, lower legs, |
| 1:17.3 | which helped make it possible for birds like peacocks to strut, |
| 1:22.0 | penguins to waddle, and turkeys to trot. |
| 1:24.9 | Happy Thanksgiving to those in the U.S. |
| 1:26.4 | Because this episode's airing just before |
| 1:28.7 | Thanksgiving. So eat a turkey. Yeah, it makes them look like they have a backwards knee, right? |
| 1:34.1 | That short, lower leg. Well, we'll get into that and the fun fact. Okay. But before we get into all of that, |
| 1:40.2 | as always, we'd like to thank some of our patrons, and we have four new patrons to thank this week. |
| 1:44.1 | Yay. They are Mudgard fan, Dom, Abby, Abby, that as always we like to thank some of our patrons and we have four new patrons to thank this week. |
... |
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