fossil record

Example Sentences

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"Knowing more about what existed gives us a sense of how big the fossil record is and how species change through time. And understanding the complexities of an ecosystem is important."

From Science Daily • Apr. 15, 2026

This marker provides a more reliable way to measure the passage of time preserved in the geological record and allowed scientists to pinpoint when different plankton species first appeared in the fossil record.

From Science Daily • Mar. 15, 2026

Purgatorius, a small mammal about the size of a shrew, appears in the fossil record shortly after the dinosaurs went extinct around 65.9 million years ago.

From Science Daily • Mar. 3, 2026

Its discovery helps close a major gap in the fossil record and offers new insight into ichthyosaur evolution.

From Science Daily • Feb. 24, 2026

The fossil record shows that about three-quarters of Earth’s species, including all of the non-bird dinosaurs, went extinct.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin