List of fossiliferous stratigraphic units in Ecuador

This is a list of fossiliferous stratigraphic units in Ecuador.

Major fossiliferous stratigraphic units in Ecuador
Cangahua Formation
Plio-Pleistocene
Early Pliocene
Onzole Formation
Letrero Formation
Viche Formation
Dos Bocas Formation
Seca Formation
Napo Group
Cazaderos Formation
Ciano Formation

List of fossiliferous stratigraphic units

Group	Formation	Period	Notes
	Cangahua Formation	Late Pleistocene	[1]
	Tablazo Formation	Late Pliocene-Late Pleistocene	[2]
	Jama Formation	Pliocene-Early Pleistocene	[3]
	Canoa Formation	Piacenzian-Calabrian	[4]
	Esmeraldas Formation	Early Pliocene	[5]
Daule	Onzole Formation	Early Pliocene	[6][7]
	Cachabi Formation	Late Miocene-Early Pliocene	[8]
	Punta Gorda Formation	Late Miocene-Early Pliocene	[9]
Santiago	Angostura Formation	Late Miocene	[10]
	Picaderos Formation	Late Miocene	[11]
	Borbón Formation	Middle Miocene	[12]
Santiago Facies		Early-Mid Miocene	[13]
	Pebas Formation	Aquitanian-Tortonian	[14]
	Letrero Formation	Late Miocene	[15]
	Azogues Formation	Middle Miocene	[16]
	Daule Formation	Middle Miocene	[17]
	San Cayetano Formation	Middle Miocene	[18]
Nabón	Iguincha Formation	Middle Miocene	[19]
	Latrero Formation	Middle Miocene	[20]
	Biblián Formation	Miocene	[21]
	Viche Formation	Langhian	[22]
Progreso	Progreso Formation	Early-Mid Miocene	[23][24]
Subibaja	Dos Bocas Formation	Chattian	[25][26]
	Posojra Formation	Early-Late Oligocene	[27]
	Zapallo Formation	Late Eocene	[28]
Ancón	Seca Formation	Late Eocene	[29]
Napo	Upper Napo Formation	Early Coniacian-Santonian	[30]
	Middle Napo Formation	Turonian	[31]
	Lower Napo Formation	Cenomanian	[32]
	Basal Napo Formation	Albian	[33][34]
Alamor	Cazaderos Formation	Albian-Cenomanian	[35]
	Ciano Formation	Late Aptian-Early Albian	[36]

See also

• Geology of Ecuador
• Gomphothere fossils in Ecuador
• List of fossiliferous stratigraphic units in Colombia
• List of fossiliferous stratigraphic units in Peru
• South American land mammal ages