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Pircancha Formation
From Wikipedia, the free encyclopedia
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The Pircancha Formation is a Floian to Dapingian geologic formation of southern Bolivia. The green mudstones, shales and sandstones were deposited in a shallow to open marine environment.[1][2] The fossil Pircanchaspis rinconensis is named after the formation.
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Fossil content
The formation has provided the following fossils:
- Bactroceras boliviensis[3]
- Baltograptus deflexus, B. minutus
- Pircanchaspis rinconensis
- Pseudophyllograptus densus
- Tetragraptus cf. amii
- Didymograptus cf. suecicus
- Basilicus sp.
- Dinorthis sp.
- Famatinolithus sp.
- Geragnostus sp.
- Hoekaspis sp.
- Phyllograptus sp.
- Synhomalonotus sp.
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