| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | Eocene |  |  |  |  |
| 3 | System/ Period | Series/ Epoch | Stage/ Age | Age (Ma) | Age (Ma) |
| 4 | Neogene | Miocene | Aquitanian | younger | younger |
| 5 | Paleogene | Oligocene | Chattian | 23.03 | 27.82 |
| 6 | Paleogene | Oligocene | Rupelian | 27.82 | 33.9 |
| 7 | Paleogene | Eocene | Priabonian | 33.9 | 37.8 |
| 8 | Paleogene | Eocene | Bartonian | 37.8 | 41.2 |
| 9 | Paleogene | Eocene | Lutetian | 41.2 | 47.8 |
| 10 | Paleogene | Eocene | Ypresian | 47.8 | 56.0 |
| 11 | Paleogene | Paleocene | Thanetian | 56.0 | 59.2 |
| 12 | Paleogene | Paleocene | Selandian | 59.2 | 61.6 |
| 13 | Paleogene | Paleocene | Danian | 61.6 | 66.0 |
| 14 | Cretaceous | Upper/ Late | Maastrichtian | older | older |
| 15 | Subdivision of the Paleogene Period according to the ICS, as of 2017. | Subdivision of the Paleogene Period according to the ICS, as of 2017. | Subdivision of the Paleogene Period according to the ICS, as of 2017. | Subdivision of the Paleogene Period according to the ICS, as of 2017. | Subdivision of the Paleogene Period according to the ICS, as of 2017. |

Question: When did the Eocene Epoch period begin and end and which period of the paleogene period was it?
Answer: The Eocene Epoch, lasting from 56 to 33.9 million years ago and the second epoch of the Paleogene Period.