Inostrancevia was a type of synapsid called a gorgonopsian—a group of saber-toothed beasts. It was about the size of a tiger but vaguely reptilian in appearance, with leathery skin like a rhinoceros.

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[–] CidVicious@sh.itjust.works 62 points 2 weeks ago (4 children)

That picture looks awfully mammalian

[–] Nougat@fedia.io 58 points 2 weeks ago

... with leathery skin like a rhinoceros.

"Let's put fur on it in the picture, for a treat."

[–] Avessandra@lemmy.ml 13 points 2 weeks ago

Antique doggo

[–] manucode@infosec.pub 9 points 2 weeks ago* (last edited 2 weeks ago) (2 children)

Synapsida is a diverse group of tetrapod vertebrates that includes all mammals and their extinct relatives.

https://en.wikipedia.org/wiki/Synapsida

[–] CidVicious@sh.itjust.works 5 points 2 weeks ago* (last edited 2 weeks ago)

Sounds like it includes mammals in the cladistic sense though. So pre-mammals?

[–] SoleInvictus@lemmy.blahaj.zone 5 points 1 week ago (1 children)

They include these goofy looking guys, Cotylorhynchus, AKA the anti-Charlie Kirk.

[–] ArtemisimetrA@lemm.ee 2 points 1 week ago

Tortoise 0.5

[–] Ledericas@lemm.ee 9 points 2 weeks ago* (last edited 2 weeks ago)

its a stem mammal, gorgonopsid. basically a mammal but not quite mammal, but still has reptilian features.