Episode 207 - Therizinosaurs

The Common Descent Podcast

Common Descent

Science, Education, Earth Sciences, Natural Sciences, Science:natural Sciences

4.8 • 764 Ratings

🗓️ 22 December 2024

⏱️ 129 minutes

🔗️ Recording | iTunes | RSS

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Summary

Most theropod dinosaurs are sleek predators built for speedy movement and efficient hunting. Therizinosaurs are unusual. They’re slow and stocky and, in many ways, more like the famous plant-eating dinosaurs. This episode, we’ll explore the diversity of therizinosaurs, the winding path that paleontologists took to understand them, the many ways they became specialized for a diet of plants, and what was going on with those claws. In the news: Parasaurolophus crests, Scottish bears, anglerfish evolution, and Clovis diets. Time markers:Intro & Announcements: 00:00:00News: 00:07:30Main discussion, Part 1: 00:46:45Main discussion, Part 2: 01:14:20Patron question: 02:00:30 Check out our website for this episode’s blog post and more: http://commondescentpodcast.com/ Join us on Patreon to support the podcast and enjoy bonus content: https://www.patreon.com/commondescentpodcast Got a topic you want to hear about? Submit your episode request here: https://commondescentpodcast.com/request-a-topic/ Lots more ways to connect with us: https://linktr.ee/common_descent The Intro and Outro music is “On the Origin of Species” by Protodome. More music like this at http://ocremix.org Musical Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/by/3.0

Transcript

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0:00.0	You're listening to the Common Descent Podcast.
0:19.0	Hello, Will. Hello, David. Hello everybody and welcome to Common Descent. This is a podcast
0:24.4	about paleontology, evolution, life through time, and stuff like that. And this is episode
0:29.1	207, the last episode of 2024. We've reached the end of the year. And we have a, I think,
0:36.1	sufficiently celebratory and exciting topic for this
0:39.5	final episode. We're back to dinosaurs, this time with therazinosaurs. Yeah. I don't have any
0:46.1	explanation for this, but they feel Christmasy to me. I agree, and I also don't have an explanation.
0:53.3	Listeners, please feel free to submit your reasoning why you think Therazinosaurus feel festive.
0:59.3	Maybe they bounce.
1:00.4	Well, you could decorate.
1:01.8	Yes, that's the thing, yeah.
1:02.5	I think a Therazinosaurs shaped like a Christmas tree.
1:04.5	Yes, exactly.
1:05.0	Yeah.
1:05.3	That's why they are there.
1:06.3	Great.
1:06.9	Hey, Therazinosaurs are a group of dinosaurs.
1:09.0	They are among the weirdest famous dinosaurs.
1:12.7	Yes. They are theropods. So they're within that big family of bipedal meat eating, fast-moving
1:19.6	dinosaurs, except that Therazinosaurs are not meat-eating and they are not fast-moving. They are
1:25.2	odd. Yes. And they're famous for having giant claws.
1:28.3	We will talk about what features make their Zinnosaurus interesting, the path
	...

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