Pircancha Formation
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. The fossil Pircanchaspis rinconensis is named after the formation.
Fossil content
The formation has provided the following fossils:
See also
References
- ^ "Rincon", "Escuela Seccional de Puesto Grande" at Fossilworks.org
- ^ Pircancha Fm., Tarija and Chilcayo at Fossilworks.org
- ^ Aubrechtová, 2015
Bibliography
- Aubrechtová, Martina (2015), "A revision of the Ordovician cephalopod Bactrites sandbergeri Barrande: systematic position and palaeobiogeography of Bactroceras", Geobios, 48 (3): 193–211, Bibcode:2015Geobi..48..193A, doi:10.1016/j.geobios.2015.03.002, retrieved 2019-03-03
Further reading
- B.-D. Erdtmann, B. Weber, H.-P. Schultze and S. Egenhoff. 2000. A possible agnathan plate from the lower Arenig (Lower Ordovician) of South Bolivia. Journal of Vertebrate Paleontology 20(2):394-399
- M. Toro and S. Fernandez. 1979. Los fósiles de la formación Pircancha aflorante en Chilcayo, Provincia Méndez - Depto. Tarija. Revista de la Academia Nacional de Ciencas de Bolivia 163-169