Archosaur Evolution Flashcards
1
Q
Q: What is the key ankle difference between pseudosuchians and avemetatarsalians?
A
A: Pseudosuchians have ball-and-socket ankles, while avemetatarsalians have hinge-like ankles for upright locomotion.
2
Q
Q: What groups are included in avemetatarsalians?
A
A: Dinosaurs, birds, and pterosaurs.
