The Sierra Perenchiza Formation is a geologic formation in Spain. A late Campanian to early Maastrichtian age is supported by paleomagnetic data and fossil pollen analysis. The Sierra Perenchiza Formation "consists mainly of interbedded carbonate marls and lacustrine limestones, interpreted as deposits of small ephemeral lakes and ponds of a coastal environment". Vertebrate fossils are common in the formation: these include dinosaurs, pterosaurs, crocodylomorphs, turtles, squamates, frogs, albanerpetontids, and ray-finned fish, as well as dinosaur eggshell fragments. Also known are freshwater invertebrates (ostracods, gastropods, and bivalves) and plant remains.
Paleofauna
Paleofauna of the Tremp FormationGenusSpeciesLocalityStratigraphic unitMaterialDescriptionImagesNotesAzhdarchidae indet.La SolanaCervical vertebrae, wig phalangesPossibly related to QuetzalcoatlusDoratodonD. ibericusIncomplete left mandible with teethCompany, J., Suberbiola, X.P., Ruiz-Omeñaca, J.I. & Buscalioni, A.D. (2005). A new species of Doratodon (Crocodyliformes: Ziphosuchia) from the Late Cretaceous of Spain. Journal of Vertebrate Paleontology 25(2): 343–353A crocodylomorph, closely related to or within SebecosuchiaMegaloolithusM. aff. sirugueiUnusually thick (up to 4.9 mm) eggshell fragmentsPossible titanosaur eggs RhabdodonR. sp. A maxillary tooth (MGUV CH-162) A rhabdodontid
See also List of dinosaur-bearing rock formations
References
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