Riochican

The Riochican () age is a period of geologic time (57.0–54.0 Ma) within the Paleocene and Eocene epochs of the Paleogene, used more specifically within the South American land mammal ages (SALMA). It follows the Peligran and precedes the Itaboraian age.

Etymology

This age is named after the Río Chico Group of the Golfo San Jorge Basin.

Formations

Fossils

References

Bibliography

Bogotá Formation

Bororó Formation

Chota Formation

Las Flores Formation

Koluel Kaike Formation

Maíz Gordo Formation

Mealla Formation

Mogollón Formation

Muñani Formation

Peñas Coloradas Formation

Río Loro Formation

Salamanca Formation