Category:Extant Oligocene first appearances

Extant biological taxa that first appeared during the Oligocene epoch, of the Early/Lower Paleogene period. Plants and animals first appearing between 33.9 and 23 million years ago in the Oligocene, that have not yet gone extinct.

Subcategories

This category has the following 3 subcategories, out of 3 total.

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A

C

E

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