Video shows what K-T extinction event means. 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.. K-T extinction event Meaning. How to pronounce, definition audio dictionary. How to say K-T extinction event. Powered by MaryTTS, Wiktionary
