List of fossiliferous stratigraphic units in Uruguay

This is a list of fossiliferous stratigraphic units in Uruguay.

Fossiliferous stratigraphic units in Uruguay
Lujanian
San José Formation
Raigón Formation
Huayquerian
Fray Bentos Formation
Asencio Formation
Mercedes Formation
Guichón Formation
Tacuarembó Formation
Buena Vista Formation
Mangrullo Formation
San Gregorio Formation
Cordobés Formation

List of fossiliferous stratigraphic units

Group	Formation	Member	Period	Notes
	Sopas Formation		Lujanian	[1]
	Libertad Formation		Lujanian	[2]
	Dolores Formation		Lujanian	[3][4][5] [6][7]
	San José Formation		Montehermosan-Ensenadan	[8]
	Raigón Formation		Huayquerian-Montehermosan	[9]
	Kiyu Formation		Huayquerian	[10][note 1]
	Camacho Formation	San Pedro	Huayquerian	[12]
	Fray Bentos Formation		Deseadan	[13]
	Asencio Formation	Del Palacio	Campanian-Maastrichtian	[14]
	Mercedes Formation		Senonian	[15]
Paysandú	Guichón Formation		Aptian-Santonian	[16]
	Tacuarembó Formation	Batoví	Kimmeridgian	[17]
	Buena Vista Formation		Late Triassic	[18]
Cerro Largo	Mangrullo Formation		Sakmarian-Artinskian	[19]
Itararé	San Gregorio Formation		Asselian	[20]
Durazno	Cordobés Formation		Pragian-Emsian	[21][22]

See also

• Geology of Uruguay
• South American land mammal ages
• Gomphothere fossils in Uruguay
• List of fossiliferous stratigraphic units in Namibia