Colhuehuapian
The Colhuehuapian age is a period of geologic time within the Early Miocene epoch of the Neogene, used more specifically within the SALMA classification in South America. It follows the Deseadan and precedes the Santacrucian age.
Etymology
The age is named after the Colhué Huapí Member of the Sarmiento Formation in the Golfo San Jorge Basin, Patagonia, Argentina.Formations
| Formation bold is type | Country | Basin | Notes |
| Colhué Huapí Member | Golfo San Jorge Basin | ||
| Abanico Formation | Abanico Basin | ||
| Biblián Formation | Cuenca Basin | ||
| Castillo Formation | Falcón Basin | ||
| Cerro Bandera Formation | Neuquén Basin | ||
| Chichinales Formation | North Patagonian Massif | ||
| Chilcatay Formation | Pisco Basin | ||
| Cura-Mallín Group | Cura-Mallín Basin | ||
| Gaiman Formation | Valdés Basin | ||
| Gran Bajo del Gualicho Formation | Colorado Basin | ||
| Monte León Formation | Austral Basin | ||
| Montera Formation | Sechura Basin | ||
| Pirabas Formation | Amazon Basin | ||
| Río Jeinemeni Formation | Austral Basin | ||
| Uitpa Formation | Cocinetas Basin |