List of fossiliferous stratigraphic units in Ecuador

Major fossiliferous stratigraphic units in Ecuador

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]
Nabón	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