Here are some animals groups that live during the Mesozoic:
Mammals which apeared about 200mya.
Dinosaurs. By the cretaceous Birds had evolved from theropod dinosaurs.
Pterosaurs
Pleisosaurs and Pliosaurs
Lizards.
Snakes which first apeared during the Mesozoic.
Mosasaurs.
Sharks and Fish
Insects.
The dinosaurs.
Dinosaurs and maybe Trolobites
dinosaurs
The Cenozoic era was not a subdivision of the Mesozoic era. The Mesozoic era is subdivided into the Triassic, Jurassic, and Cretaceous periods.
dinosaurs. as well as small mammals (rodents) and amphibians
Mesozoic Era
The Paleozoic precedes the Mesozoic. And our current era, the Cenozoic, follows the Mesozoic.
It really wasn't an era. An Era was a much longer period of time. It was called the "Jurassic Period".
The Mesozoic Era is known as the Age of Reptiles.
basically all the animals you see in our world today. some have evolved some havent.
The dinosaurs lived in the Mesozoic Era, which includes the Triassic, Jurassic, and Cretaceous periods. The first dinosaurs appeared in the late Triassic and went extinct at the end of the Cretaceous.
The Paleozoic precedes the Mesozoic. And our current era, the Cenozoic, follows the Mesozoic.