The Cretaceous Period
The Cretaceous Period: A Time of Transformation and Extinction The Cretaceous Period (approximately 145 to 66 million years ago) was the last and longest period of the Mesozoic Era, spanning …
Tag: cretaceous
The Cretaceous Period: A Time of Transformation and Extinction The Cretaceous Period (approximately 145 to 66 million years ago) was the last and longest period of the Mesozoic Era, spanning …