About 250 million years
Dinosaurs have dominated earth for 150 million years ago. This is the reason why they are so successful.
2012
160-165 million years ago
Mammals and dinosaurs started about the same time and mammals are still here, so ... Mammals! (Unless you count birds as dinosaurs, in which case it's a tie). One of the mysteries of evolution is why the dinosaurs came to dominate the mammals in the first place.
No, dinosaurs were not amphibians. Dinosaurs are classified as reptiles.
For about 165 million years.
domination
Dinosaurs dominated chordate life on Earth for about 160 million years before their sudden extinction. Their dominion lasted from the Triassic Period to the end of the Cretaceous.
no dinosaurs did not live on long island sound
In 2099
They aren't extict. Birds are dinosaurs.
the dinosaurs died with this big meteor that came to the world and crashed the world