Laventan
The Laventan age is a period of geologic time within the Middle Miocene epoch of the Neogene, used more specifically within the SALMA classification in South America. It follows the Colloncuran and precedes the Mayoan age.
Etymology
The age is named after the Miocene Lagerstätte La Venta, where a rich biodiversity from the Middle Miocene has been recovered from the Honda Group.Formations
| Formation bold is type | Country | Basin | Notes |
| Honda Group | Upper Magdalena Valley | ||
| Honda Group | Quebrada Honda Basin | ||
| Aisol Formation | San Rafael Block | ||
| Bahía Inglesa Formation | Caldera Basin | ||
| Capadare Formation | Falcón Basin | ||
| Choquecota Formation | Altiplano Basin | ||
| Cura-Mallín Group | Cura-Mallín Basin | ||
| Ipururo Formation | Ucayali Basin | ||
| Paraná Formation | Paraná Basin | ||
| Pebas Formation | Amazon Basin | ||
| Pisco Formation | Pisco Basin | ||
| Santa Inés Formation | Eastern Venezuela Basin | ||
| Sincelejo Formation | Sinú-San Jacinto Basin | ||
| Socorro Formation | Falcón Basin | ||
| Urumaco Formation | Falcón Basin |
Fossil content
Correlations
The Laventan correlates with:- NALMA
- * latest Barstovian
- * early Clarendonian
- Californian ages
- * Luisian
- ELMA - Astaracian
- CPS
- * Badenian
- * Sarmatian
- New Zealand stratigraphy - Southland epoch
- * Lillburnian
- * early Waiauan
- Australian ages
- * Bairnsdalian
- Japanese ages
- * Tozawan
- NMAC - Tunggurian