Obispo Formation, Bolivia
The Obispo Formation is a Dapingian geologic formation of southern Bolivia. The shales and siltstones were deposited in an open marine environment.[1][2]
| Obispo Formation Stratigraphic range: Dapingian ~478–466 Ma | |
|---|---|
| Type | Geological formation |
| Lithology | |
| Primary | Shale, siltstone |
| Location | |
| Coordinates | 21.0°S 65.0°W |
| Approximate paleocoordinates | 45.3°S 129.1°W |
| Region | Tarija Department |
| Country |  |
  Obispo Formation, Bolivia (Bolivia) | |
Fossil content
Early Ordovician (470 Ma)
The formation has provided the following fossils:
- Camerella sp.
- Ceratiocaris sp.
- Didymograptus sp.
- Dinorthis sp.
- Endoceras sp.
- Euorthisina sp.
- Hoekaspis sp.
- Hypermecaspis sp.
- Incorthis sp.
- Megistaspis sp.
- Niobides sp.
- Orthis sp.
- Orthoceras sp.
- Pachendoceras sp.
- Thysanopyge sp.
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References
Further reading
- L. Branisa. 1965. Los fosiles guias de Bolivia: I. Paleozoico. Boletin de Servicio Geologico de Bolivia. La Paz, Bolivia 6:1-282
- A. Pribyl and J. Vanek. 1980. Ordovician trilobites of Bolivia. Rozpravy Ceskoslovenske Akademie Ved. Rada Matematickych a Prirodnich Ved. Academia Praha, Prague, Czechoslovakia 90(2):1-90
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