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Definitions

fossil record

NOUN
trace fossil
Synonyms
WEAK
fossil footprint index fossil zone fossil

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

By examining the fossil record, the researchers found that sponge spicules become more mineralized over time.

From Science Daily • Apr. 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

Within a few hundred thousand years of this dramatic increase, the earliest known microfossils of eukaryotes appear in the fossil record.

From Science Daily • Feb. 20, 2026

The fossil record speaks to us unambiguously of creatures that once were present in enormous numbers and that have now vanished utterly.'

From "Cosmos" by Carl Sagan