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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Top 25 Dinosaur Discoveries of 2025

Top 25 Dinosaur Discoveries of 2025 •
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I Know Dino: The Big Dinosaur Podcast