Triassic Period (250–200 million years ago) Flashcards
1
Q
Q: What characterized the early Triassic Period?
A
A: Few dinosaurs existed, but by the late Triassic, small bipedal dinosaurs like theropods, sauropods, and early ornithischians had spread globally.
2
Q
Q: Why are early dinosaur fossils often poorly preserved?
A
A: They are usually found in mudstone, which distorts skeletons.
3
Q
Q: What are examples of early Triassic dinosaurs?
A
A:
Herrerasaurus: An early theropod with diapsid skull openings.
Plateosaurus: A prosauropod, an early long-necked dinosaur.
Eoraptor: Its relationship remains unresolved.