Vila Vila Formation

Geologic formation in Bolivia

Vila Vila Formation

Stratigraphic range: Lochkovian-Pragian
~416–409 Ma

PreꞒ

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
Approximate 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]

## Fossil content

[edit]

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

* Pleurothyrella sp.
* Scaphiocoelia sp.

## See also

[edit]

* List of fossiliferous stratigraphic units in Bolivia

## References

[edit]

1. ^ a b Vila Vila Formation at Fossilworks.org
2. ^ Wolfart, 1968

### Bibliography

[edit]

* 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

[edit]

* G. D. Edgecombe and L. Ramskold. 1994. Earliest Devonian phacopide trilobites from central Bolivia. Paläontologische Zeitschrift 68(3/4):397-410