The cretaceous period is the last one out of the three peroids in the mesizoic era. The cretaceous was 144-65 million years ago.There was seven contienets like today. The enviorment was more like today's enviorment. One of the dinosaurs in the cretaceous was the furious T-rex and triceratops.The types of plants are oak trees and mongolia trees.
This is a T-rex. It lived in the cretaceous period.It was a carnivore. carnivore means meat-eater. It was the ruler of all dinosaurs.