Piedrahita de Muñó Formation
Stratigraphic range: Late Berriasian-mid-Valanginian ~
Type	Geological formation
Unit of	Pedroso/Urbión Group
Underlies	Hortigüela Formation
Overlies	hiatus with Villar del Arzobispo Formation
Lithology
Primary	Sandstone
Location
Coordinates	42°00′N 3°12′W / 42.0°N 3.2°W / 42.0; -3.2
Approximate paleocoordinates	33°06′N 7°42′E / 33.1°N 7.7°E / 33.1; 7.7
Region	Burgos Province, Castile and León
Country	Spain
Extent	Cameros Basin
Type section
Named for	Piedrahita de Muñó
Piedrahita de Muñó Formation (Spain) Show map of Spain Piedrahita de Muñó Formation (Castile and León) Show map of Castile and León

The Piedrahita de Muñó Formation is an Early Cretaceous geologic formation of the Cameros Basin in northern Spain.^[1] Fossil theropod tracks have been reported from the formation.^[2] Also fossils of Lepidotes sp., Polacanthus sp. and Testudines indet. were found in the formation.^[1]

Correlation

Early Cretaceous stratigraphy of Iberia

Ma	Age	Paleomap \ Basins	Cantabrian	Olanyà	Cameros	Maestrazgo	Oliete	Galve	Morella	South Iberian	Pre-betic	Lusitanian
100	Cenomanian		La Cabana	Sopeira	Utrillas		Mosquerela					Caranguejeira
			Altamira		Utrillas
			Eguino
125	Albian		Ullaga - Balmaseda	Lluçà						Traiguera
			Monte Grande		Escucha		Escucha			Jijona
			Itxina - Miono
	Aptian		Valmaseda - Tellamendi		Ol Gp. - Castrillo	Benassal		Benassal				Olhos
				Font	En Gp. - Leza	Morella/Oliete	Oliete	Villaroya	Morella	Capas Rojas		Almargem
			Patrocinio - Ernaga	Senyús	En Gp. - Jubela	Forcall				Villaroya	Upper Bedoulian	Figueira
	Barremian		Vega de Pas	Cabó	Abejar	Xert	Alacón	Xert		Huérguina		Assises
				Prada		Artoles				Collado	Moutonianum	Papo Seco
				Rúbies	Tera Gp. - Golmayo	Alacón/Blesa	Blesa	Camarillas	Mirambel
150	Hauterivian				Ur Gp. - Pinilla	Llacova		Castellar	Tera Gp. - Pinilla	Villares		Porto da Calada
							hiatus
						Huerva			Gaita
	Valanginian		Villaro		Ur Gp. - Larriba				Ped Gp. - Hortigüela
					Ped Gp. - Hortigüela				Ped Gp. - Piedrahita
					Peñacoba			Galve		Miravetes
	Berriasian		Cab Gp. - Arcera		Valdeprado	hiatus		Alfambra
					TdL Gp. - Rupelo			Arzobispo	hiatus	Tollo
					On Gp. - Huérteles Sierra Matute
	Tithonian		Lastres		Tera Gp. - Magaña		Higuereles			Tera Gp. - Magaña		Lourinhã
									Arzobispo
					Ágreda
Legend		Major fossiliferous, oofossiliferous, ichnofossiliferous, coproliferous, minor formation
Sources

See also

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with theropod tracks

References

Bibliography

• Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21.ISBN 0-520-24209-2

Further reading

• X. Pereda Suberbiola, M. Meijide, F. Torcida, J. Welle, C. Fuentes, L. A. Izquierdo, D. Montero, G. Pérez, and V. Urién. 1999. Espinas dermicas del dinosaurio anquilosaurio Polacanthus en las facies Weald de Salas de los Infantes (Burgos, España) [Dermal spines of the ankylosaurian dinosaur Polacanthus in the Weald facies of Salas de los Infantes (Burgos, Spain)]. Estudios Geológicos 55:267-272
• Platt, N.H., and C.A. Meyer. 1991. Dinosaur footprints from the Lower Cretaceous of northern Spain: their sedimentological and palaeoecological context. Palaeogeography, Palaeoclimatology, Palaeoecology 86. 321-333. .