ìThecodontsî
Early archosaurs used to be lumped together into a group called Thecodontiaómeaning the ìsocket-toothed onesî
This is not considered a valid taxon any more, becauseóby now this should come as no surpriseóit is paraphyletic
ìThecodontsî include the ancestors of both crocodilians and dinosaurs, plus some other extinct lineages. . . hey, guess whatís on the next slide?