It lasted a long time, nearly 80 million years, making it the longest geological period of the Phanerozoic Eon, which began some 539 million years ago. The Cretaceous is split into two smaller time ...

During this period, oceans formed as land shifted and broke out of one big supercontinent into smaller ones. 3 min read Continents were on the move in the Cretaceous, busy remodeling the shape and ...

The Early Cretaceous period was a significant time for the evolution of Gnetales, a group of seed plants that includes modern genera such as Ephedra, Gnetum, and Welwitschia. Recent research has ...