This category includes biological taxa of rank more inclusive than genus that went extinct during the Eocene epochofgeologic time, between 56 and 33.9 million years ago, as well as genera and species that evolved during this time and persisted across multiple geological epochs.
This category has the following 9 subcategories, out of 9 total.
The following 74 pages are in this category, out of 74 total. This list may not reflect recent changes.