Extinction of the non-avian dinosaurs

Name: Extinction of the non-avian dinosaurs
Start: c. 66 million years ago
End: c. 66 million years ago

c. 66 million years ago

Science

Cretaceous–Paleogene mass extinction

Icon: Parallel Timeline · Parallel Timeline contributors · License: CC0-1.0

About three quarters of plant and animal species on Earth disappeared, including all non-avian dinosaurs, most likely after the Chicxulub asteroid impact.

Sources

Wikipedia: Cretaceous–Paleogene extinction event (accessed 2026-09-28)