Huayquerian
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The Huayquerian ( es, Huayqueriense) age is a period of geologic time (9.0–6.8 Ma) within the
Late Miocene The Late Miocene (also known as Upper Miocene) is a sub-epoch of the Miocene epoch (geology), Epoch made up of two faunal stage, stages. The Tortonian and Messinian stages comprise the Late Miocene sub-epoch, which lasted from 11.63 Ma (million ye ...
epoch of the
Neogene The Neogene ( ), informally Upper Tertiary or Late Tertiary, is a geologic period and system that spans 20.45 million years from the end of the Paleogene Period million years ago ( Mya) to the beginning of the present Quaternary Period Mya. ...
, used more specifically within the SALMA classification. It follows the
Mayoan The Mayoan ( es, Mayoense) age is a period of geologic time from 11.8 to 10 Ma, within the Middle to Late Miocene epoch of the Neogene, used more specifically within the SALMA classification in South America. It follows the Laventan and precedes ...
and precedes the
Montehermosan The Montehermosan age is a period of geologic time (6.8–4.0 Ma) within the Miocene and Pliocene epochs of the Neogene used more specifically with South American Land Mammal Ages. It follows the Huayquerian and precedes the Chapadmalalan The C ...
age.


Etymology

The age is named after the Huayquerías Formation in the western Cuyo Basin of northwestern Argentina that was later dated to the
Montehermosan The Montehermosan age is a period of geologic time (6.8–4.0 Ma) within the Miocene and Pliocene epochs of the Neogene used more specifically with South American Land Mammal Ages. It follows the Huayquerian and precedes the Chapadmalalan The C ...
. The most complete Huayquerian fauna is found in the
Cerro Azul Formation The Cerro Azul Formation ( es, Formación Cerro Azul), in the Buenos Aires Province also described as Epecuén Formation, is a geological formation of Late Miocene (Tortonian, or Huayquerian in the SALMA classification) age in the Colorado Basin ...
, in Buenos Aires Province also referred to as Epecuén Formation.


Formations


Fossil content


Correlations


Notes and references


Notes


References


Bibliography

;Huayquerías Formation * * ;Andalhuala Formation * ;Camacho Formation * * * ;Cerro Azul Formation * * * ;Chiquimil Formation * * * * * ;Las Flores Formation, Sierra del Tontal * ;Içá Formation * ;Iñapari Formation * * ;India Muerta Formation * ;Ituzaingó Formation * * * ;Madre de Dios Formation * * * ;Maimará Formation * * * ;Mauri & Muyu Huasi Formations * ;Miramar Formation * ;El Morterito Formation * ;Navidad Formation * ;Palo Pintado Formation * * * ;Paraná Formation * * * ;Pebas Formation * * ;Piquete Formation * ;Pisco Formation * * * * * * * * * * * * * * ;Quehua Formation * ;Raigón Formation * ;Saldungaray Formation * ;Salicas Formation * ;Solimões Formation * * * * * ;Urumaco Formation * * * * * {{SALMA Miocene South America Neogene Argentina