K-T extinction event

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English[edit]

Alternative forms[edit]

Noun[edit]

K-T extinction event

  1. The rapid dying off of a large percentage of all animal species in a comparatively short period of time 65.5 million years ago. This coincides with the end of the Cretaceous period, and may have been caused by an impact event.

See also[edit]