English Explanatory Dictionary

Cretaceous–Paleogene extinction event

English dictionary entry

Meanings

noun
  1. The mass extinction of the majority of plant and animal species on Earth including all non-avian dinosaurs, which took place 65.5 million years ago marking the end of the Cretaceous period, and is widely accepted as having been caused by an impact event.

Word forms

Cretaceous–Paleogene extinction event

Synonyms

K-T extinction event K T extinction event

Related words

K-T boundary
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