End-Triassic Extinction Flashcards
1
Q
Q: What groups of pseudosuchian archosaurs did not survive into the Jurassic?
A
A: Aetosaurs, phytosaurs, rauisuchians, and poposauroids.
2
Q
Q: Which group remained as representatives of the crocodile-line lineage after the End-Triassic extinction?
A
A: Crocodylomorphs.
3
Q
Q: What percentage of species went extinct during the End-Triassic extinction?
A
A: About 50%.
4
Q
Q: What is the likely cause of the End-Triassic extinction?
A
A: Intense volcanism during the initial breakup of Pangea.
