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Common Descent

@commondescentpod

A podcast about paleontology, evolution, and the history of life on Earth. Hosted by Will🐊 and David🐍 https://commondescentpodcast.com/

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17.01.2025
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Latest posts by Common Descent @commondescentpod

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Episode 238 – Osteoderms (Skin Bones) Listen to Episode 238 on Podbean, YouTube, Spotify, or wherever you listen to your favorite podcasts! Some bones are only skin deep, serving as armor, support, or any number of other important func…

Some bones are only skin deep, serving as armor, support, or any number of other important functions. This episode, we discuss the diverse shapes and services of Osteoderms.

01.03.2026 15:00 πŸ‘ 6 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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More Pok-Γ‰!

This episode, we take a tour of the Paradox PokΓ©mon. Where on the tree of life could we find a pair of dragons built for battle and all-terrain travel? Our creatures to create this time: Koraidon and Miraidon.

28.02.2026 17:26 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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This one's a doozy!

This episode, we grapple with the Order PokΓ©mon. What biological explanations can we find for an ecological guardian of many, many faces? Our creature to create this time: Zygarde.

21.02.2026 17:22 πŸ‘ 3 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Tune in for a great discussion on Dinosaur History!

Thanks so much for joining us Riley!

16.02.2026 16:57 πŸ‘ 10 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Episode 237 – The Dinosaur Renaissance Listen to Episode 237 on Podbean, YouTube, Spotify, or wherever you listen to your favorite podcasts! In the mid-to-late 20th Century, the scientific and popular understanding of dinosaurs underwen…

@restingdinoface.bsky.social joins us for a journey through the evolution of dinosaur science of the 20th Century!

15.02.2026 15:00 πŸ‘ 34 πŸ” 7 πŸ’¬ 3 πŸ“Œ 1
Pok-Γ‰ - Giratina.

Pok-Γ‰ - Giratina.

Pok-Γ‰ continues!

This episode, we confront the Renegade PokΓ©mon. From what ancestors might we get a many-limbed monster from a parallel world? Our creature to create this time: Giratina.

14.02.2026 17:30 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Text: "A New Series Appeared" and "Listen Now!" above and below a blue-and-white box with the Pok-E logo and the title: Pok-E - Lugia.

Text: "A New Series Appeared" and "Listen Now!" above and below a blue-and-white box with the Pok-E logo and the title: Pok-E - Lugia.

Welcome ... to Pok-Γ‰!

This episode, we set our sights on the Diving PokΓ©mon. How might evolution produce a sea-dwelling bird with a knack for stirring up storms? Our creature to create this time: Lugia.

Listen now!

07.02.2026 18:30 πŸ‘ 7 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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Let’s Botanize Botanizing is the new birding! This fascinating book of 101 botany prompts is about the joy of getting to know plants in much the same way we get to know bir...

Publishing later this month: "Let’s Botanize! 101 Ways to Connect with Plants" (Hachette) by By Ben Goulet-Scott and Jacob S. Suissa.

A doff of my deerstalker to the nice people at @commondescentpod.bsky.social for the tip. #Booksky #botany

www.hachettebookgroup.com/titles/ben-g...

05.02.2026 18:07 πŸ‘ 1 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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Episode 236 – Chalicotheres Listen to Episode 236 on Podbean, YouTube, Spotify, or wherever you listen to your favorite podcasts! Among all of the ancient mammals, few are as unusual as the β€œgorilla-horses” who sw…

Among all of the ancient mammals, few are as unusual as the β€œgorilla-horses” who swapped their hooves for claws. This episode, we discuss the long confusing history of Chalicotheres.

01.02.2026 15:00 πŸ‘ 11 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
The words "Next week..." above a red-and-white ball featuring the title "Pok-E" and a stylized evolutionary tree.

The words "Next week..." above a red-and-white ball featuring the title "Pok-E" and a stylized evolutionary tree.

In honor of the 30th anniversary of the PokΓ©mon franchise, we're expanding the Spook-E-verse with some speculatively-evolved Legendary PokΓ©mon.

Five episodes, starting February 7th.

30.01.2026 21:31 πŸ‘ 7 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Our Anniversary Livestream is this week! Wednesday, January 28th at 7pm US Eastern Time!

Celebrate Nine Years of Common Descent with Q&A, chit-chat, and Special Announcements!

26.01.2026 21:31 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Gorgeous!

24.01.2026 20:20 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Nine-Year Anniversary Livestream! Common Descent is Nine Years Old! Tune in for Q&A and Announcements!

Common Descent turns NINE YEARS OLD next week!

Join us in celebrating with an Anniversary Livestream, Wednesday January 28th at 7pm US Eastern Time! There will be chit-chat, Q&A, and special announcements!

19.01.2026 22:22 πŸ‘ 10 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Episode 235 – Aquatic Plants Listen to Episode 235 on Podbean, YouTube, Spotify, or wherever you listen to your favorite podcasts! All plants need water, but some species take it to the extreme. This episode, we discuss the ad…

All plants need water, but some take it to the extreme. This episode, Dr. Aly Baumgartner joins us to explore the many life strategies of plants that live in the water!

18.01.2026 15:00 πŸ‘ 8 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Great shirt!

10.01.2026 22:33 πŸ‘ 5 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Episode 234 – Snails and Slugs Listen to Episode 234 on Podbean, YouTube, Spotify, or wherever you listen to your favorite podcasts! From deep-sea trenches to your home garden, gastropods are among the most diverse and successfu…

From deep-sea trenches to your home garden, gastropods are among the most diverse and successful animals in Earth history. This episode, we explore the incredible evolutionary story of Snails and Slugs.

04.01.2026 15:00 πŸ‘ 13 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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Happy New Year!

Please enjoy our annual question-answering marathon, now longer than ever! Thank you so much to everyone who listens, shares, and supports the podcast.

31.12.2025 17:30 πŸ‘ 5 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I did a thing!

I am extremely grateful to David and Will for having me on an episode of their podcast to do a primer on Diptera.

One of the highlights of the year for sure.

#entomology

21.12.2025 21:25 πŸ‘ 9 πŸ” 1 πŸ’¬ 2 πŸ“Œ 0

With special guest @punkentomology.bsky.social!

21.12.2025 21:21 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 1
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Episode 233 – Flies and Mosquitos Listen to Episode 233 on Podbean, YouTube, Spotify, or wherever you listen to your favorite podcasts! Of all the highly successful and capable flying insects in the world, few are as successful or …

Of all the highly successful and capable flying insects in the world, few are as successful or capable as those in the order Diptera.

21.12.2025 15:00 πŸ‘ 6 πŸ” 1 πŸ’¬ 0 πŸ“Œ 1

Amazing! Bracelet is very cool, and gifts are welcome!

25.11.2025 20:02 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Hey I'm one of those fish and I think we're quite normal.

24.11.2025 07:13 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

It could happen to you!

25.11.2025 19:59 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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How poop-eating beetles evolved to eat rotting flesh Analysis of thousands of fossils pushes back change in beetles’ diets by more than 37 million years

News from Episode 231:

How some dung beetles evolved to eat meat

24.11.2025 15:33 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

News from Episode 231:

Spine injuries maybe caused by dinosaurs climbing atop each other

24.11.2025 15:32 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Evidence of ancient tree-climbing 'drop crocs' found in Australia Scientists say the crocodiles hunted like leopards by climbing trees and killing prey below.

News from Episode 231:

The oldest known fossil croc eggs, from Australia

24.11.2025 15:31 πŸ‘ 8 πŸ” 4 πŸ’¬ 1 πŸ“Œ 0
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Fossils of ancient marine predators have been discovered on an Arctic mountain | Natural History Museum Life may have bounced back more quickly than expected after the worst mass extinction in history.

News from Episode 231:

Rapid ocean recovery after the Permian Extinction

24.11.2025 15:30 πŸ‘ 7 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Episode 231 – Back to the Water (Secondarily Aquatic Vertebrates) Listen to Episode 231 on Podbean, YouTube, Spotify, or wherever you listen to your favorite podcasts! Ever since an unusual group of fish gave rise to the first land-dwelling vertebrates, their des…

Nearly 400 million years ago, an unusual group of fish gave rise to the first land-dwelling vertebrates. Since then, their descendants have repeatedly moved back into the water.

23.11.2025 15:00 πŸ‘ 8 πŸ” 0 πŸ’¬ 1 πŸ“Œ 1
A photo of a fossilized hand of some animal. Text says "Next week, on Episode 231..."
Image by Mark Wilson

A photo of a fossilized hand of some animal. Text says "Next week, on Episode 231..." Image by Mark Wilson

Next week, on Episode 231...

18.11.2025 22:09 πŸ‘ 3 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

We're thrilled to be an informative influence!

Also everyone go read Stealing From Wizards!

18.11.2025 18:45 πŸ‘ 6 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0