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.
A
C
E
Pages in category "Extant Oligocene first appearances"
The following 63 pages are in this category, out of 63 total. This list may not reflect recent changes.