Iquiri Formation

The Iquiri Formation is an Eifelian to Frasnian geologic formation of central Bolivia. The formation comprises black shales and sandstones.[1]

Iquiri Formation Stratigraphic range: Eifelian-Frasnian ~392–377 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Underlies	Saipurú Formation
Overlies	Los Monos Formation
Lithology
Primary	Black shale
Other	Sandstone
Location
Coordinates	18.0°S 65.0°W / -18.0; -65.0
Approximate paleocoordinates	69.8°S 78.6°W / -69.8; -78.6
Region	Cochabamba Department
Country	Bolivia
Extent	Cordillera Oriental
Iquiri Formation (Bolivia)

Fossil content

Early Devonian (400 Ma)

The formation has provided fossils of Proteolobus walli.

gollark: I was only looking at the mature hatchling one there.

gollark: Oh, it's not. They look *really* similar.

gollark: http://dragcave.wikia.com/wiki/Dark_Green_Dragon

gollark: Oh hey, it is.

gollark: Isn't that an actual alt?

See also

List of fossiliferous stratigraphic units in Bolivia

References

Lajas locality, south of Rio Piray at Fossilworks.org

Further reading

G. D. Wood. 1997. The acritarch Proteolobus walli gen et sp. nov. from the Devonian Iquiri Formation of Bolivia: a possible coenobial alga. Micropaleontology 43(3):325-331

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