How to detect a tornado

Dinosaurs thrived during the Mesozoic Era, which lasted approximately 186 million years and includes the Triassic, Jurassic, and Cretaceous periods. Initially small in the Triassic, dinosaurs grew larger and more diverse in the Jurassic and Cretaceous, thriving amidst changing climates and landscapes until an asteroid impact led to their extinction around 66 million years ago.