Cretaceous Coelurosaurs Flashcards
1
Q
Q: What specialized wrist bone defines maniraptorans, including birds?
A
A: The semilunate carpal, allowing the hand to fold sharply backward.
2
Q
Q: What diet is most commonly hypothesized for therizinosaurs?
A
A: A mostly herbivorous diet, although other theories include fish spearing or insect-eating.
3
Q
Q: Which coelurosaur group rose to the top predator niche in Laurasia during the Late Cretaceous?
A
A: Tyrannosaurs, with massive skulls, bone-crushing teeth, and reduced arms for balance.
