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Tera Group
Stratigraphic range: Tithonian-Hauterivian ~150–135 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geologic group
Sub-units	Magaña, Golmayo & Pinilla de los Moros Formations
Underlies	Oncala Group
Overlies	Jurassic
Lithology
Primary	Sandstone, claystone
Location
Coordinates	41°54′N 2°30′W / 41.9°N 2.5°W / 41.9; -2.5
Approximate paleocoordinates	33°18′N 8°00′E / 33.3°N 8.0°E / 33.3; 8.0
Region	Burgos Province
Country	Spain
Extent	Cameros Basin
Type section
Named for	Tera River
Tera Group (Spain)Show map of SpainTera Group (Castile and León)Show map of Castile and León

The Tera Group is a geological group in the Cameros Basin and Sierra de la Demanda in Burgos, Spain. The group contains several formations whose strata date back to the Early Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.

Fossil content

• Euornithopoda indet
• Iguanodon cf. fittoni

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

References

1. ^ Weishampel et al., 2004, pp. 556-563

Bibliography

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

Further reading

• C. Pascual Arribas and N. Hernández Medrano. 2015. Nuevas huellas de estegosáuridos en el Titoniense-Berriasiense de la Cuenca de Cameros (Formación Magaña) . Revista de la Sociedad Geológica de España 28(2):15-27
• F. Torcida Fernández Baldor. 2005. Los dinosaurios de Castilla y León . Patrimonio Histórico de Castilla y León 6(23):23-34
• J. I. Ruiz Omeñaca and J. I. Canudo. 2003. Dinosaurios (Saurischia, Ornithischia) en el Barremiense (Cretácico Inferior) de la península Ibérica . In F. Pérez Lorente (ed.), Dinosaurios y Otros Reptiles Mesozóicos de España 269–312
• F. Pérez Lorente. 2002. La distribución de yacimientos y de tipos de huellas de dinosaurios en la Cuenca de Cameroa (La Rioja, Burgos, Soria, España) . Zubia Monográfico 14:191-210

• Geologic groups of Europe
• Geologic formations of Spain
• Lower Cretaceous Series of Europe
• Cretaceous Spain
• Jurassic System of Europe
• Jurassic Spain
• Berriasian Stage
• Hauterivian Stage
• Tithonian Stage
• Valanginian Stage
• Sandstone formations
• Shale formations
• Alluvial deposits
• Fluvial deposits
• Lacustrine deposits
• Ichnofossiliferous formations
• Paleontology in Spain
• Geography of Castile and León