Huayquerian
The Huayquerian age is a period of geologic time within the Late Miocene epoch of the Neogene, used more specifically within the SALMA classification. It follows the Mayoan and precedes the Montehermosan age.
Etymology
The age is named after the Huayquerías Formation in the western Cuyo Basin of northwestern Argentina.Formations
| Formation bold is type | Country | Basin | Notes |
| Huayquerías Formation | Cuyo Basin | ||
| Andalhualá Formation | Santa María-Hualfín Basin | ||
| Bahía Inglesa Formation - Cerro Ballena | Caldera Basin | ||
| Camacho Formation | Norte & Santa Lucía Basins | ||
| Cerro Azul Formation | Colorado Basin | ||
| Chiquimil Formation | Santa María-Hualfín Basin | ||
| Coquimbo Formation | Tongoy Bay | ||
| Las Flores Formation | Sierra del Tontal | ||
| Entrerriana Formation | Chaco Basin | ||
| Epecuén Formation | Claromecó Basin | ||
| Içá Formation | Madre de Deus Basin | ||
| Iñapari Formation | Madre de Dios Basin | ||
| India Muerta Formation | Sierras Pampeanas | ||
| Ituzaingó Formation | Paraná Basin | ||
| Kiyu Formation | Santa Lucía Basin | ||
| Madre de Dios Formation | Madre de Dios Basin | ||
| Maimará Formation | Eastern Argentinian Andes | ||
| Mauri Formation | Altiplano Basin | ||
| Miramar Formation | Sechura Basin | ||
| El Morterito Formation | Cajón Valley | ||
| Muyu Huasi Formation | Muyu Huasi Basin | ||
| Navidad Formation | Chilean Coast Range | ||
| Palo Pintado Formation | Salta Basin | ||
| Paraná Formation | Chaco Basin | ||
| Pebas Formation | Amazon Basin | ||
| Piquete Formation | Salta Basin | ||
| Pisco Formation | Pisco Basin | ||
| Quehua Formation | Altiplano Basin | ||
| Raigón Formation | Norte Basin | ||
| Rosa Pata Formation | Altiplano Basin | ||
| Saldungaray Formation | Buenos Aires Province | ||
| Salicas Formation | Sierra de Velasco | ||
| Solimões Formation | Solimões Basin | ||
| Urumaco Formation | Falcón Basin |