Answer:
This hierarchy comprises eons, eras, periods, epochs, and ages from the largest to the smallest
Explanation:
This hierarchy comprises eons, eras, periods, epochs, and ages from the largest to the smallest. All of these are shown in the geological time scale page.
Eon Era Period Epoch Age
Phanerozoic Cenozoic Paleogene Oligocene Chattian Rupelian
The Phanerozoic Eon reflects the period that most macroscopic species — bacteria, fungi, plants, and animals — lived through.