Term

Mesozoic Facts

Definition

Began 245 million years ago and ended 66 million years ago. Four stage breakup of Pangaea was the major mesozoic geologic event. Following the late permian major extinction organisms slowly recovered. "Age of the reptiles"

Term

Three Mesozoic periods

Definition

Triassic, Jurassic, and Cretaceous.

Term

Breakup of Pangaea Stage 1

Definition

Late Triassic rifting between Laurasia and Gondwana. By the end of the Triassic the expanding atlantic ocean separated north america from africa. During the late triassic and the early jurassic rifting separated north america and south america.