The Mesozoic Era, often referred to as the "Age of Reptiles," is a major geological time period that lasted from approximately 252 to 66 million years ago. It is divided into three periods: the Triassic, Jurassic, and Cretaceous. This era is significant for the evolution and dominance of dinosaurs, but it also saw the emergence of mammals, birds, and flowering plants.
### Periods of the Mesozoic Era:
1. **Triassic Period (252 to 201 million