When were the dinosaurs?
Dinosaurs first appeared between 247 and 240 million years ago. They ruled the Earth for about 175 million years until an extinction event 65.5 million years ago wiped out all of them, expect for the avian dinosaurs
Dinosaurs existed roughly between 240 million and 65 million years ago.
Join Alexa Answers
Help make Alexa smarter and share your knowledge with the worldLEARN MORE