Villalba de la Sierra Formation
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.[1][2]
| Villalba de la Sierra Formation Stratigraphic range: Campanian-Maastrichtian ~84–66 Ma | |
|---|---|
 Excavation of a titanosaur at Lo Hueco | |
| Type | Geological formation |
| Lithology | |
| Primary | Mudstone |
| Other | Sandstone, gypsum |
| Location | |
| Coordinates | 40.0°N 2.0°W |
| Approximate paleocoordinates | 30.7°N 0.6°W |
| Region | Castilla-La Mancha |
| Country |  Spain |
| Extent | Iberian Ranges |
| Type section | |
| Named for | Villalba de la Sierra |
  Villalba de la Sierra Formation (Spain) | |
Fossil content
The formation has provided abundant titanosaurian remains, including Lohuecotitan were found in the formation.[3] More than 10,000 fossil remains of various fishes, amphibians, lizards, dinosaurs (Ampelosaurus sp., Rhabdodon sp.), turtles (Foxemys mechinorum, Iberoccitanemys convenarum), and crocodiles (Lohuecosuchus megadontos, Agaresuchus fontisensis, Musturzabalsuchus sp.) are also known from the site, one of the richest for the Late Cretaceous in Europe.[3][4]
See also
- List of dinosaur-bearing rock formations
References
- Lo Hueco, Fuentes (G1) at Fossilworks.org
- Weishampel et al., 2004, pp.517-607
- Díez Díaz et al., 2016
- Ortega et al., 2015
Bibliography
- Díez Díaz, V.; P. Mocho; A. Páramo; F. Escaso; F. Marcos-Fernández; J.L. Sanz, and F. Ortega. 2016. A new titanosaur (Dinosauria, Sauropoda) from the Upper Cretaceous of Lo Hueco (Cuenca, Spain). Cretaceous Research 68. 49–60.
- Knoll, M.; D. Bardet; F. Barroso-Barcenilla; P.M. Callapez; O. Cambra-Moo; V. Daviero- Gómez; V. Díez Díaz; L. Domingo, and A. Elvira. 2015. The biota of the Upper Cretaceous site of "Lo Hueco" (Cuenca, Spain). Journal of Iberian Geology 41. .. doi:10.5209/rev_JIGE.2015.v41.n1.48657
- 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
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