Diapsid Subgroups Flashcards
1
Q
Q: What are lepidosaurs, and what defines them?
A
A: Lepidosaurs are diapsids with no additional fenestrae, including lizards, snakes, and tuataras.
2
Q
Q: What defines archosaurs?
A
A: Archosaurs are diapsids with an antorbital fenestra (in front of the eyes) and a mandibular fenestra (rear of the lower jaw).
3
Q
Q: Which modern animals are classified as archosaurs?
A
A: Birds and crocodilians are modern archosaurs.