This is the list of some of the Dinosaurs in the Cretaceous Era. The Cretaceous life is the time period of 135 to 65 million years ago. This was the last of the dinosaur evolution chain. For reasons unknown all dinosaurs became extinct at the end of this Era. There is a lot more Dinosaur Species in the Cretaceous Era than the other two dinosaur times. The fossil discoveries typically are in much better quality than the other two prehistoric time lines and due to evolution there was many more species. The most famous dinosaurs known are of the Cretaceous era like the massive Tyrannosaurus and the fearsome Velociraptor.
Dinosaurs lived and evolved for over 185 million years until they became extinct. The cause has not been proven yet, but many believe that an asteroid Over 9 miles wide hit the earth In the Gulf of Mexico.
