Santacrucian age - Friasian age
| International Chronostratigraphic Timescale | South American Land Mammal Ages | |||
|---|---|---|---|---|
| 1.75 | ||||
| Neogene | Pliocene | Piacenzian | Vorohuean/Uquian | 2.58 |
| Chapadmalalan | 3 | |||
| Zanclean | 3.6 | |||
| Montehermosan | 3.8 | |||
| Huayquerian | 5 | |||
| Miocene | Messinian | 5.333 | ||
| Tortonian | 7.246 | |||
| Chasicoan | 8 | |||
| Mayoan | 10 | |||
| Laventan | 11 | |||
| Serravallian | 11.63 | |||
| Colloncuran | 13.8 | |||
| Langhian | 13.82 | |||
| Friasian | 15.5 | |||
| Burdigalian | 15.98 | |||
| Santacrucian | 16.3 | |||
| Colhuehuapian | 17.5 | |||
| Aquitanian | 20.45 | |||
| Deseadan | 21 | |||
| 23.04 | ||||
| 29 | ||||