Vila Vila Formation
Stratigraphic range: Lochkovian-Pragian
~416–409 Ma

PreЄ

Type| Geological formation
Lithology
Primary| Sandstone
Other| Shale
Location
Coordinates|  [ ⚑ ] : 15°30′S 68°00′W﻿ / ﻿15.5°S 68.0°W﻿ / -15.5; -68.0
Paleocoordinates|  [ ⚑ ] 60°06′S 100°24′W﻿ / ﻿60.1°S 100.4°W﻿ / -60.1; -100.4
Region| La Paz Department
Country|  Bolivia
Extent| Cordillera Oriental
Type section
Named for| Vila Vila

Vila Vila Formation (Bolivia)

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]

## Contents

* 1 Fossil content
* 2 See also
* 3 References
* 3.1 Bibliography
* 4 Further reading

## Fossil content

The formation has provided the following fossils:[1][2]

* Pleurothyrella sp.
* Scaphiocoelia sp.

## See also

* List of fossiliferous stratigraphic units in Bolivia

## References

1. ↑ 1.0 1.1 Vila Vila Formation at Fossilworks.org
2. ↑ 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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