It is believed that dinosaurs were on the earth for over 165 million years ago! There were over 700 species of them.
Did you know?
The largest dinosaur ever weighed 70 tons!
They lived in the Mesozoic period.
The name dinosaur means terrible lizzard.
Coelophysis was the fastest dinosaur in the world.
Oculudentavis khaungraae was the smallest dinosaur that has ever been found.
Thyrephora was the slowest dinosaur.