Megalodon have been found dating back to 25 million years ago, and as recent as only 2 million years ago. That extends from the late Paleogene period through the Neogene and into the early Quaternary. They survived for 23 million years.
Dinosaurs have long been extinct, making it impossible for scientists to work with living dinosaurs.
None - dinosaurs are extinct, and have been for a very long time.
Most dinosaurs were killed about 65 million years ago.
No, dinosaurs are extinct and have been for a long time but a tuatara has not and is a dinosaur
They aren't extict. Birds are dinosaurs.
No it is an adjective, extinction is the noun. Dinosaurs are extinct. The extinction of dinosaurs happened a long time ago.
Dinosaurs
No. Dinosaurs have been extinct for several million years.
Dinosaurs became extinct millions of years ago. Dinosaurs died off long before humans came into existence.
no not yet they have been around before dinosaurs and still not extinct
Dinosaurs.
They were extinct since a long time, most dinosaurs displayed in bones are in historical museums.