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submitted 2 years ago by [email protected] to c/[email protected]
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[-] [email protected] 8 points 2 years ago

Pterodactyls aren't dinosaurs, FYI: they're pterosaurs. It doesn't matter in the least, but I have a 5-year-old so I'm learning a lot about prehistoric reptiles.

[-] [email protected] 6 points 2 years ago

Nor is dimetrodon haha. They're all excellent though

[-] [email protected] 7 points 2 years ago

There's two big groups of four-limbed vertebrates: amphibians (like frogs), and amniotes (like us and birds). Amniotes developed into two groups: synapsids (mammals) and saurapsids (lizards, birds, turtles, etc.).

Dimetrodon was a synapsid that ruled the world tens of millions of years before the first dinosaurs evolved.

That makes it really cool, actually, precisely because it isn't a dinosaur. Dimetrodon is to us as brotosaurus is to chickens: a really interesting great great etc uncle.

[-] [email protected] 2 points 2 years ago
this post was submitted on 17 Sep 2023
901 points (98.9% liked)

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