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Villalba de la Sierra Formation

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Villalba de la Sierra Formation
Stratigraphic range: Campanian-Maastrichtian
~84–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Excavation of a titanosaur at Lo Hueco
TypeGeological formation
Lithology
PrimaryMudstone
OtherSandstone, gypsum
Location
Coordinates40°00′N 2°00′W / 40.0°N 2.0°W / 40.0; -2.0
Approximate paleocoordinates30°42′N 0°36′W / 30.7°N 0.6°W / 30.7; -0.6
RegionCastilla-La Mancha
Country Spain
ExtentIberian Ranges
Type section
Named forVillalba de la Sierra
Villalba de la Sierra Formation is located in SpainVillalba de la Sierra FormationVillalba de la Sierra Formation (Spain)

The Villalba de la Sierra Formation is a Campanian to Maastrichtian geologic formation in Spain. Fossil dinosaur eggs have been reported from the formation, that comprises gypsiferous, grey, argillaceous mudstones and sandstones, deposited in a floodplain environment characterised by high seasonality and variability in water availability.

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.

Dinosaur

Sauropods

Sauropods of the Villalba de la Sierra Formation
Taxon Species Presence Materials Notes Images
Lohuecotitan L. pandafilandi Lo Hueco. A disarticulated partial skeleton A titanosaurian sauropod
Qunkasaura Q. pintiquiniestra Lo Hueco. A partial skeleton belonging to a single individual. A opisthocoelicaudiine saltasaurid; closely related to Abditosaurus kuehnei.

Theropods

Theropods of the Villalba de la Sierra Formation
Taxon Species Presence Materials Notes Images
Abelisauridae Indet. Indeterminate Poyos Teeth, Cranial and Postcranial Elements A abelisaurid theropod; closely relaed to Arcovenator escotae.

Reptiles

Crocodiles

Crocodiles of the Villalba de la Sierra Formation
Taxon Species Presence Materials Notes Images
Agaresuchus A. fontisensis A allodaposuchid eusuchian
Lohuecosuchus L. megadontos A allodaposuchid eusuchian
Musturzabalsuchus M. sp A allodaposuchid eusuchian

Turtles

Turtles of the Villalba de la Sierra Formation
Taxon Species Presence Materials Notes Images
Foxemys F. mechinorum A bothremydid side-necked turtle
Iberoccitanemys I. convenarum A bothremydid side-necked turtle

See also

References

  1. Lo Hueco, Fuentes (G1) at Fossilworks.org
  2. Weishampel et al., 2004, pp.517-607
  3. Peyrot, Daniel; Barroso-Barcenilla, Fernando; Cambra-Moo, Oscar (1 October 2013). "Paleoecology of the late Campanian/early Maastrichtian Fossil-Lagerstätte of "Lo Hueco" (Cuenca, Spain): Palynological insights". Palaeogeography, Palaeoclimatology, Palaeoecology. 387: 27–39. Bibcode:2013PPP...387...27P. doi:10.1016/j.palaeo.2013.07.005. Retrieved 22 November 2022.
  4. V. Díez Díaz; P. Mocho; A. Páramo; F. Escaso; F. Marcos-Fernández; J.L. Sanz; F. Ortega (2016). "A new titanosaur (Dinosauria, Sauropoda) from the Upper Cretaceous of Lo Hueco (Cuenca, Spain)". Cretaceous Research. 68: 49–60. Bibcode:2016CrRes..68...49D. doi:10.1016/j.cretres.2016.08.001.
  5. Mocho, P.; Escaso, F.; Marcos-Fernández, F.; Páramo, A.; Sanz, J. L.; Vidal, D.; Ortega, F. (2024). "A Spanish saltasauroid titanosaur reveals Europe as a melting pot of endemic and immigrant sauropods in the Late Cretaceous". Communications Biology. 7. 1016. doi:10.1038/s42003-024-06653-0. PMC 11375222. PMID 39232208.
  6. Malafaia, E.; Escaso, F.; Coria, R. A.; Pérez-García, A.; Ortega, F. (2024). "Theropod teeth from the Upper Cretaceous of central Spain: assessing the paleobiogeographic history of European abelisaurids". Cretaceous Research. 106072. doi:10.1016/j.cretres.2024.106072.
  7. I. Narváez; C.A. Brochu; F. Escaso; A. Pérez-García; F. Ortega (2016). "New Spanish Late Cretaceous eusuchian reveals the synchronic and sympatric presence of two allodaposuchids". Cretaceous Research. 65: 112–125. Bibcode:2016CrRes..65..112N. doi:10.1016/j.cretres.2016.04.018.
  8. Iván Narváez; Christopher A. Brochu; Fernando Escaso; Adán Pérez-García; Francisco Ortega (2015). "New Crocodyliforms from Southwestern Europe and Definition of a Diverse Clade of European Late Cretaceous Basal Eusuchians". PLOS ONE. 10 (11): e0140679. Bibcode:2015PLoSO..1040679N. doi:10.1371/journal.pone.0140679. PMC 4633049. PMID 26535893.
  9. Tong, Haiyan; Eugene S Gaffney; Eric Buffetaut (1998). "Foxemys, a new side-necked turtle (Bothremydidae, Pelomedusoides) from the late Cretaceous of France". American Museum Novitates (3251): 1–19. hdl:2246/3157. Retrieved 19 January 2012.
  10. Adán Pérez-García; Francisco Ortega; Xabier Murelaga (2012). "A new genus of Bothremydidae (Chelonii, Pleurodira) in the Cretaceous of Southwestern Europe". Geobios. 45 (2): 219–229. Bibcode:2012Geobi..45..219P. doi:10.1016/j.geobios.2011.03.001.

Bibliography

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