this post was submitted on 17 Sep 2023
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[–] [email protected] 6 points 1 year ago (2 children)

Nor is dimetrodon haha. They're all excellent though

[–] [email protected] 7 points 1 year 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 1 year ago