Cretaceous–Paleogene extinction event

noun

Definitions

  1. The mass extinction of the majority of plant and animal species on Earth including all…

    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.

The neighborhood

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sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA