List of fossiliferous stratigraphic units in Paraguay

Fossiliferous stratigraphic units in Paraguay

General Bruguer/Riacho Negro

List of fossiliferous stratigraphic units

Group	Formation	Period	Notes
General Bruguer/Riacho Negro		Pleistocene	^[1]
	Misiones Formation	Aptian	^[2]
Independencia	San Miguel Formation	Artinskian	^[3]
	Cariy Sandstone	Telychian	^[4]
	Vargas Peña Shale	Llandovery	^[5]
Itacurubi	Eusebio Ayala Formation or Ayala Sandstone	Hirnantian	^[6]
Itapucumi	Tagatiya Guazu Formation	Ediacaran	^[7]

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A. J. Boucot, J. H. G. Melo, E. V. Santos Neto and S. Wolff. 1991. First Clarkeia and Heterorthella (Brachiopoda; Lower Silurian) occurrence from the Parana Basin in eastern Paraguay. Journal of Paleontology 65(3):512-514
H. J. Harrington. 1972. Silurian of Paraguay. Geological Society of America Special Paper 133:41-50
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L. V. Warren, T. R. Fairchild, C. Gaucher, P. C. Boggiani, D. G. Poire, L. E. Anelli, and J. C. G. Inchausti. 2011. Corumbella and in situ Cloudina in association with thrombolites in the Ediacaran Itapucumi Group, Paraguay. Terra Nova 23:382-389
Various, Authors (1986), Mapa Geológico del Paraguay - Proyecto PAR 86 - Escala 1:1,000,000 - Texto explicativo (PDF), pp. 1–62, retrieved 2018-09-03