Casamayoran age - Mustersan age
| International Chronostratigraphic Timescale | South American Land Mammal Ages | |||
|---|---|---|---|---|
| 21 | ||||
| Paleogene | Oligocene | Chattian | Deseadan | 23.04 |
| Rupelian | 27.3 | |||
| Tinguirirican | 29 | |||
| Eocene | Priabonian | 33.9 | ||
| Divisaderan | 36 | |||
| Bartonian | 37.71 | |||
| Lutetian | 41.03 | |||
| Mustersan | 42 | |||
| Casamayoran | 48 | |||
| Ypresian | 48.07 | |||
| Paleocene | Thanetian | Riochican | 56 | |
| Itaboraian | 57 | |||
| Peligran | 59 | |||
| Selandian | 59.24 | |||
| Danian | 61.66 | |||
| Tiupampan | 62.5 | |||
| 66 | ||||