3 years ago

How many MYA was the mass extinction of dinosaurs, ammonoids, and many land plants?

1 answer:

6 0

The Cretaceous–Paleogene (K–Pg) extinction event (also known as the Cretaceous–Tertiary (K–T) extinction) was a sudden mass extinction of three-quarters of the plant and animal species on Earth, approximately 66 million years ago.

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