Unfortunately, the dinosaurs that lived in the water were not ACTUALLY dinosaurs. They were related to them, though.
Dinosaurs – The Carnivores!
Meat eating dinosaurs were called CARNIVORES. There were about 100 types of dinosaurs who ate meat.
Dinosaurs: The Herbivores!
These plant eating dinosaurs had to eat a lot of plants each day! The had special teeth that help them break apart the bark of trees and twigs.