| 1 | A | B | C | D | E | F | G |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | South American land mammal age - Definitions |  |  |  |  |  |  |
| 3 | Epoch | SALMA | Top age (Ma) | Base age (Ma) | Etymology | Country | Location |
| 4 | Holocene | Holocene | 0 | 0.011 | - | - | - |
| 5 | Late Pleistocene | Lujanian | 0.011 | 0.8 | Luján Formation | Argentina | Buenos Aires Province |
| 6 | Mid Pleistocene | Ensenadan | 0.8 | 1.2 | La Ensenada Formation | Argentina | Buenos Aires Province |
| 7 | Early Pleistocene | Uquian | 1.2 | 3.0 | Uquía Formation | Argentina | Jujuy Province |
| 8 | Late Pliocene | Chapadmalalan | 3.0 | 4.0 | Chapadmalal Formation | Argentina | Buenos Aires Province |
| 9 | Early Pliocene | Montehermosan | 4.0 | 6.8 | Monte Hermoso Formation | Argentina | Buenos Aires Province |
| 10 | Late Miocene | Montehermosan | 4.0 | 6.8 | Monte Hermoso Formation | Argentina | Buenos Aires Province |
| 11 | Late Miocene | Huayquerian | 6.8 | 9.0 | Huayquerías Formation | Argentina | Mendoza Province |
| 12 | Late Miocene | Chasicoan | 9.0 | 10.0 | Arroyo Chasicó Formation | Argentina | Buenos Aires Province |
| 13 | Late Miocene | Mayoan | 10.0 | 11.8 | Río Mayo Formation | Argentina | Chubut Province |
| 14 | Mid Miocene | Laventan | 11.8 | 13.8 | La Venta fauna | Colombia | Huila Department |
| 15 | Mid Miocene | Colloncuran | 13.8 | 15.5 | Collón Curá Formation | Argentina | Neuquén Province |
| 16 | Early Miocene | Friasian | 15.5 | 16.3 | Río Frías Formation | Chile | Aysén Region |
| 17 | Early Miocene | Santacrucian | 16.3 | 17.5 | Santa Cruz Formation | Argentina | Santa Cruz Province |
| 18 | Early Miocene | Colhuehuapian | 17.5 | 21.0 | Colhué Huapí Member | Argentina | Chubut Province |
| 19 | Early Miocene | Deseadan | 21.0 | 29.0 | Deseado Formation | Argentina | Santa Cruz Province |
| 20 | Late Oligocene | Deseadan | 21.0 | 29.0 | Deseado Formation | Argentina | Santa Cruz Province |
| 21 | Early Oligocene | Tinguirirican | 29.0 | 36.0 | Tinguiririca fauna | Chile | O'Higgins Region |
| 22 | Late Eocene | Tinguirirican | 29.0 | 36.0 | Tinguiririca fauna | Chile | O'Higgins Region |
| 23 | Mid Eocene | Divisaderan | 36.0 | 42.0 | Divisadero Largo Formation | Argentina | Mendoza Province |
| 24 | Early Eocene | Mustersan | 42.0 | 48.0 | Lake Musters | Argentina | Chubut Province |
| 25 | Early Eocene | Casamayoran | 48.0 | 54.0 | Casamayor Formation | Argentina | Santa Cruz Province |
| 26 | Early Eocene | Riochican | 54.0 | 57.0 | Río Chico Group | Argentina | Chubut Province |
| 27 | Late Paleocene | Riochican | 54.0 | 57.0 | Río Chico Group | Argentina | Chubut Province |
| 28 | Late Paleocene | Itaboraian | 57.0 | 59.0 | Itaboraí Formation | Brazil | Rio de Janeiro State |
| 29 | Mid Paleocene | Peligran | 59.0 | 62.5 | Punta Peligro | Argentina | Chubut Province |
| 30 | Early Paleocene | Tiupampan | 62.5 | 64.5 | Tiupampa | Bolivia | Cochabamba Department |

Question: When does the South American land mammal ages (SALMA)'s timescale begin and when does it end?
Answer: The South American land mammal ages (SALMA)'s timescale begin from 64.5 Ma during the early Paleocene and continuing through to the Late Pleistocene 0.011 Ma.