Phanerozoic
| Use attributes for filter ! | |
| Occurred | 541 (+/- 1) million years ago - 0 million years ago |
|---|---|
| Eras | Paleozoic |
| Mesozoic | |
| Cenozoic | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2922117 |
About Phanerozoic
The Phanerozoic Eon is the current geologic eon in the geologic time scale, and the one during which abundant animal and plant life has existed. It covers 541 million years to the present, and began with the Cambrian Period when animals first developed hard shells preserved in the fossil record.