fossil record
Example Sentences
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The Paleocadmus specimens from the Mazon Creek site in Illinois now represent the oldest known example of nautiloid soft tissue in the fossil record, surpassing the previous record by about 220 million years.
From Science Daily • Apr. 7, 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
However, the fossil record does not preserve the entire lifespan of an individual animal.
From Science Daily • Mar. 5, 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
We know from the fossil record that the origin of life happened soon after, perhaps around 4.0 billion years ago, in the ponds and oceans of the primitive Earth.
From "Cosmos" by Carl Sagan
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