1
Q
Triassic
A
Mostly small dinosaurs, started w/ end-of-paleozoic massive extinction
2
Q
Jurassic
A
Huge dinosaurs, particularly herbivores
(Begining of formation of Appalachian mountains in North America)
3
Q
Cretaceous
A
Lots of large preditors and defensive herbivores, ended with mass extinction meteorite
(Beginning of formation of Rocky mountains)
