Towards the end of the Cretaceous diversity declined sharply and only a few widespread genera are found in the uppermost beds, these finally disappearing in the end-Cretaceous extinctions.
Source: wiktionary
End-cretaceous
Synonyms for "end-cretaceous"
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Sample sentences
3 total sentences available.
Although the end-Cretaceous bolide impact is contemporaneous with the abrupt end of the reign of dinosaurs, early mammals survived the catastrophic event […].
Source: wiktionary
The end Cretaceous catastrophe that killed the dinosaurs 65 million years ago did for these animals too and the oceans were quieter for a while, but within fifteen million years or so the ancestors of dolphins and whales were exploiting the rich seas of the Eocene.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.