Lastres Formation

Lastres Formation
Stratigraphic range: Kimmeridgian-Tithonian
Lastres Formation; Stratigraphic range: Kimmeridgian-Tithonian
Type	Geologic group
Overlies	Tereñes Formation
Lithology
Primary	Sandstone, conglomerate
Other	Mudstone
Location
Coordinates	43°30′N 5°30′W / 43.5°N 5.5°WCoordinates: 43°30′N 5°30′W / 43.5°N 5.5°W
Approximate paleocoordinates	35°48′N 6°48′E / 35.8°N 6.8°E
Region	Asturias
Country	Spain
	Lastres Formation (Spain)Show map of SpainShow map of AsturiasShow all

The Lastres Formation is a geological formation located in Asturias province, northwestern Spain

Fossil tracks have been reported from the formation, including those of dinosaurs, pterosaurs, crocodiles, turtles, and lizards.^[1]

Fossil content[]

Pterosaurs
Taxa	Presence	Description	Images
Ichnogenus: Pteraichnus^[2]	* Present at the Quintueles, Oles, Tazones, and Luces sites; all in Asturias, Spain.^[2]	* Quintueles, Oles, and Tazones specimens housed at the Jurassic Museum of Asturias, Spain. Luces specimens remain in the field.^[2]

Early Cretaceous stratigraphy of Iberia
Ma	Age	Paleomap \ Basins		Olanyà								Lusitanian
100	Cenomanian											Caranguejeira


125	Albian		-
			Monte Grande		Escucha		Escucha
			-		Escucha
	Aptian		-		- Castrillo
			-		En Gp. -	Morella/			Morella
			-		En Gp. -	Forcall					Upper Bedoulian
	Barremian					Xert	Alacón	Xert		Huérguina	Upper Bedoulian
						Artoles				Collado		Papo Seco
				Rúbies	Tera Gp. -	Alacón/Blesa	Blesa	Camarillas		Collado		Papo Seco
150	Hauterivian				Ur Gp. -		Blesa	Castellar	Tera Gp. -
							hiatus

	Valanginian				Ur Gp. -				-
					-				- Piedrahita

	Berriasian		-			hiatus
					- Rupelo			Arzobispo	hiatus
					On Gp. -			Arzobispo
	Tithonian		Lastres		Tera Gp. -		Higuereles			Tera Gp. -		Lourinhã
					Tera Gp. -				Arzobispo
									Arzobispo
Legend		Major fossiliferous, oofossiliferous, ichnofossiliferous, coproliferous, minor formation
Sources

^ Rauhut, Oliver W. M.; Piñuela, Laura; Castanera, Diego; García-Ramos, José-Carlos; Cela, Irene Sánchez (2018-07-05). "The largest European theropod dinosaurs: remains of a gigantic megalosaurid and giant theropod tracks from the Kimmeridgian of Asturias, Spain". PeerJ. 6: e4963. doi:10.7717/peerj.4963. ISSN 2167-8359. PMC 6035862.
^ ^a ^b ^c Lockley, M.; Harris, J.D.; and Mitchell, L. 2008. "A global overview of pterosaur ichnology: tracksite distribution in space and time." Zitteliana. B28. p. 187-198. ISSN 1612-4138.