|
|---|
| | | | 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 |
| | | | 23.03 * |
| 23.1 |
| 29.5 |