Castrillo de la Reina Formation

Castrillo de la Reina Formation
Stratigraphic range: late Barremian-early Aptian ~125  Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Unit of	Oliván Group
Underlies	Utrillas & Escucha Formations
Overlies	Hortigüela & Leza Formations
Lithology
Primary	Claystone
Other	Sandstone
Location
Coordinates	42°00′N3°18′W / 42.0°N 3.3°W / 42.0; -3.3
Approximate paleocoordinates	32°36′N8°12′E / 32.6°N 8.2°E / 32.6; 8.2
Region	Castile and León
Country	Spain
Extent	Cameros Basin
Castrillo de la Reina Formation (Spain)

The Castrillo de la Reina Formation is a geological formation in Spain. It is late Barremian to early Aptian in age. It interpreted as a fluvial deposit. It primarily consists of red clay, with ribbon shaped sandstone channel fills. The rebbachisaurid dinosaur Demandasaurus occurs in the formation, ^[1] alongside somphospondylan Europatitan ^[2] as well as indeterminate small ornithopods, iguanodonts (including members of the Hadrosauriformes ^[3] ) and spinosaurids, ornithopod Foskeia ^{[4] [5]} and the lizard Arcanosaurus . ^[6]

Fossil content

Color key Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon		Notes Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Dinosaurs

Ornithiscians

Ornithopods of the Castrillo de la Reina Formation
Genus	Species	Locality	Stratigraphic unit	Material	Description	Images
Foskeia [5]	F. pelendonum	Vegagete	Lower	A disarticulated and fragmentary postcranial remains	A rhabdodontomorph ornithopod, formerly named Vegagete ornithopod	Foskeia

Sauropods

Sauropods of the Castrillo de la Reina Formation
Genus	Species	Locality	Stratigraphic unit	Material	Description	Images
Demandasaurus [7]	D. darwini	Tenandas de Los Vallejos II and Salas de los Infantes Quarry	Lower	An incomplete but associated skeleton that includes cranial and postcranial remains	A rebbachisaurid	Demandasaurus Europatitan
Europatitan [8]	E. eastwoodi	El Oterillo II	Lower	A holotype specimen consists of five cervical vertebrae, one dorsal vertebra, nine caudal vertebrae, 11 cervical ribs, five dorsal ribs, seven chevrons, both scapulae, the left coracoid, two left metacarpals, both pubis bones, both iscia, and a single tooth	A somphospondylan sauropod

Other reptiles

Other reptiles of the Castrillo de la Reina Formation
Genus	Species	Locality	Stratigraphic unit	Material	Description	Images
Arcanosaurus [9]	A. ibericus	Viajete	Lower	A 29 mid-dorsal vertebra	A varanoid lizard

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

References

1. Fernández-Baldor, Fidel Torcida; Canudo, José Ignacio; Huerta, Pedro; Montero, Diego; Suberbiola, Xabier Pereda; Salgado, Leonardo (September 2011). "Demandasaurus darwini, a New Rebbachisaurid Sauropod from the Early Cretaceous of the Iberian Peninsula". Acta Palaeontologica Polonica. 56 (3): 535–552. doi: 10.4202/app.2010.0003 . ISSN   0567-7920.
2. Torcida Fernández-Baldor, Fidel; Canudo, José Ignacio; Huerta, Pedro; Moreno-Azanza, Miguel; Montero, Diego (2017-06-27). "Europatitan eastwoodi, a new sauropod from the lower Cretaceous of Iberia in the initial radiation of somphospondylans in Laurasia". PeerJ. 5 e3409. doi: 10.7717/peerj.3409 . ISSN   2167-8359. PMC   5490465 . PMID   28674644.
3. Escanero-Aguilar, D.; Torcida Fernández-Baldor, F.; Pereda-Suberbiola, X.; Huerta, P. (2024-04-03). "Skull material of an early cretaceous hadrosauriform dinosaur (Ornithopoda) from Salas de los Infantes (Burgos, Spain)" . Journal of Iberian Geology. 50 (1): 67–82. Bibcode:2024JIbG...50...67E. doi:10.1007/s41513-023-00227-5. ISSN   1698-6180.
4. Dieudonné, Paul-Emile; Tortosa, Thierry; Torcida Fernández-Baldor, Fidel; Canudo, José Ignacio; Díaz-Martínez, Ignacio (2016-06-22). Farke, Andrew A. (ed.). "An Unexpected Early Rhabdodontid from Europe (Lower Cretaceous of Salas de los Infantes, Burgos Province, Spain) and a Re-Examination of Basal Iguanodontian Relationships". PLOS ONE. 11 (6) e0156251. Bibcode:2016PLoSO..1156251D. doi: 10.1371/journal.pone.0156251 . ISSN   1932-6203. PMC   4917257 . PMID   27333279.
5. Dieudonné, Paul‐Emile; Becerra, Marcos Gabriel; Zanesco, Tábata; Tortosa, Thierry; Cruzado‐Caballero, Penélope; Stein, Koen; Torcida Fernández‐Baldor, Fidel (2026-02-01). "Foskeia pelendonum, a new rhabdodontomorph from the Lower Cretaceous of Salas de los Infantes (Burgos Province, Spain), and a new phylogeny of ornithischian dinosaurs". Papers in Palaeontology . 12 (1). doi:10.1002/spp2.70057. ISSN   2056-2799.
6. Houssaye, Alexandra; Rage, Jean-Claude; Torcida Fernández-Baldor, Fidel; Huerta, Pedro; Bardet, Nathalie; Pereda Suberbiola, Xabier (April 2013). "A new varanoid squamate from the Early Cretaceous (Barremian–Aptian) of Burgos, Spain". Cretaceous Research. 41: 127–135. Bibcode:2013CrRes..41..127H. doi:10.1016/j.cretres.2012.11.005.
7. Fidel Torcida Fernández-Baldor; José Ignacio Canudo; Pedro Huerta; Diego Montero; Xabier Pereda Suberbiola; Leonardo Salgado (2011). "Demandasaurus darwini, a new rebbachisaurid sauropod from the Early Cretaceous of the Iberian Peninsula" (PDF). Acta Palaeontologica Polonica. 56 (3): 535–552. doi: 10.4202/app.2010.0003 .
8. Fernández-Baldor, F.T.; Canudo, J.I.; Huerta, P.; Moreno-Azanza, M.; Montero, D. (2017). "Europatitan eastwoodi, a new sauropod from the lower Cretaceous of Iberia in the initial radiation of somphospondylans in Laurasia". PeerJ. 5 e3409. doi: 10.7717/peerj.3409 . PMC   5490465 . PMID   28674644.
9. Houssaye, A.; Rage, J. C.; Torcida Fernández-Baldor, F.; Huerta, P.; Bardet, N.; Pereda Suberbiola, X. (2012). "A new varanoid squamate from the Early Cretaceous (Barremian–Aptian) of Burgos, Spain". Cretaceous Research. 41: 127–135. doi:10.1016/j.cretres.2012.11.005.