Last Updated
：2025/11/22
K-T extinction event
Noun
Japanese Meaning
約6550万年前、白亜紀末に起こったとされる大規模な動物絶滅事象。短期間に多数の動物種が急速に絶滅した現象で、隕石衝突などの影響が原因と考えられています。
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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
The fossil record provides compelling evidence that the K-T extinction event wiped out the non-avian dinosaurs and many other species.
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The fossil record provides compelling evidence that the K-T extinction event wiped out the non-avian dinosaurs and many other species.
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