What Kinds
There were lots of kinds of dinosaurs. Here are some of them. The most famous was the Tyrannosaurus Rex or T-Rex. Tyrannosaurus Rex means lizard king. A Compognathus was the size of a chicken and walked on its hind legs. They could run very fast. A Stegosaurus walked on all four legs and had a brain the size of a walnut! The Dinonychus was violent and often would fight. They even would bite their mom.