NextPrevious

What is the Cretaceous–Paleogene boundary?

Aftermath of Extinction Read more from
Chapter Dinosaurs Connections

The Cretaceous-Paleogene (or K-Pg) boundary is what some scientists are calling the Cretaceous/Tertiary boundary, the Paleogene being the period from about 65 million to 23 million years ago.

Close

This is a web preview of the "The Handy Dinosaur Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App