|
|---|
| | | | | | 1.4 |
| Neogene | Pliocene | Piacenzian | Senecan/Rexroadian | 2.58 |
| Zanclean | 3.6 |
| Late Hemphillian/late Early Hemphillian/early Early Hemphillian | 4.7 |
| Miocene | Messinian | 5.333 |
| Tortonian | 7.246 |
| Late Clarendonian/Early Clarendonian | 9.4 |
| Serravallian | 11.63 |
| late Late Barstovian/early Late Barstovian/Early Barstovian | 12.5 |
| Langhian | 13.82 |
| Burdigalian | 15.98 |
| Late Hemingfordian/Early Hemingfordian | 16.3 |
| late Late Arikareean/early Late Arikareean/late Early Arikareean/early Early Arikareean | Harrisonian | 18.5 |
| Aquitanian | 20.44 |
| Paleogene | Oligocene | Chattian | 23.03 |
| Monroecreekian | 23.1 * |
| Geringian | 24.7 * |
| Rupelian | 27.82 |
| | 29.5 |
| Eocene | Priabonian | Late Chadronian/Middle Chadronian/Early Chadronian | 33.9 |
| 37 |
| Bartonian | 37.71 |
| Late Uintan/Early Uintan | 39.7 |
| Lutetian | 41.2 |
| Twinbuttean/Blacksforkian/Gardnerbuttian | 46.2 |
| Ypresian | 47.8 |
| Lostcabinian/Lysitean/Graybullian/Sandcouleean | 50.5 |
| Cf3/Cf2/Cf1 | 54.9 |
| Paleocene | Thanetian | 56 |
| Ti6/Ti5/Ti4/Ti3/Ti2/Ti1 | 56.2 |
| Selandian | 59.2 |
| To3/To2/To1 | 60.9 |
| Danian | 61.6 |
| Pu3/Pu2/Pu1 | 63.8 |
| 66 |