Vila Vila Formation
The Vila Vila Formation is an Early Devonian (Lochkovian to Pragian) geologic formation of northern Bolivia. The formation comprises a succession of fine-grained sandstones and shales deposited in a shallow to deep marine environment.[1]
| Vila Vila Formation Stratigraphic range: Lochkovian-Pragian ~416–409 Ma | |
|---|---|
| Type | Geological formation |
| Lithology | |
| Primary | Sandstone |
| Other | Shale |
| Location | |
| Coordinates | 15.5°S 68.0°W |
| Approximate paleocoordinates | 60.1°S 100.4°W |
| Region | La Paz Department |
| Country |  Bolivia |
| Extent | Cordillera Oriental |
| Type section | |
| Named for | Vila Vila |
  Vila Vila Formation (Bolivia) | |
Fossil content
The formation has provided the following fossils:[1][2]
- Pleurothyrella sp.
- Scaphiocoelia sp.
References
- Vila Vila Formation at Fossilworks.org
- Wolfart, 1968
Bibliography
- Wolfart, R. 1968. Die Trilobiten aus dem Devon Boliviens und ihre Bedeutung fuer Stratigraphie und Tiergeographie. Beihefte zum Geologischen Jahrbuch 74. 5–201.
Further reading
- G. D. Edgecombe and L. Ramskold. 1994. Earliest Devonian phacopide trilobites from central Bolivia. Paläontologische Zeitschrift 68(3/4):397-410
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