Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Animals

When did the dinosaurs come extinct?


Dinosaurs roamed the earth for 160 million years until their sudden demise some 65.5 million years ago, in an event now known as the Cretaceous-Tertiary, or K-T, extinction event. Besides dinosaurs, many other species of mammals, amphibians and plants died out at the same time.

{{ relativeTimeResolver(1646070084987) }}

LIVE
Points points 34
Rating

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE