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Extant Cretaceous first appearances

Topic: Category

 From Wikipedia - Reading time: 1 min

Extant Cretaceous first appearances, the geologic time period between 100.5 and 66 million years ago. Biological taxa that first appeared during the Cretaceous Period, and have not yet gone extinct.

See also the preceding Category:Extant Jurassic first appearances and the succeeding Category:Extant Paleogene first appearances
Licensed under CC BY-SA 3.0 | Source: https://en.wikipedia.org/wiki/Category:Extant_Cretaceous_first_appearances
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