Therapsids (Therapsida) are the synapsid animals with more erect limbs than the earlier synapsid "pelycosaurs" like Dimetrodon or Edaphosaurus, that had sprawling gait similar to lizards. Therapsids also have more complex teeth than the earlier synapsids. First therapsids and earlier synapsids...

If you’re curious about what was before dinosaurs, pelycosaurs, archosaurs, and therapsids were the main life forms during this time period.

Pictures and profiles of over three dozen therapsids, the mammal-like reptiles that preceded the dinosaurs, ranging from Anteosaurus to Ulemosaurus.

gorgonopsia- are a suborder of therapsids that are included within the class synapsida. Their name refers to the Gorgons of Greek mythology

cardassians: “ by RiseofDarkFire ” Is there any actual consensus on Cardassian anatomy? Like, is this reasonable? I guess if they are therapsids, it is reasonably possible that they could lactate &...