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Definition of k-t extinction event in English English dictionary
- K-T extinction event
- 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
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k-t extinction event
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k-t ex-tinc-tion e-ventPronunciation
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