Calizas de La Huergina Formation - AbsoluteAstronomy.com

The Calizas de La Huérgina Formation (also known as the Una Formation) is a geological formation in Spain whose strata date back to the Early Cretaceous

Early Cretaceous

The Early Cretaceous or the Lower Cretaceous , is the earlier or lower of the two major divisions of the Cretaceous...

. Dinosaur remains are among the fossils that have been recovered from the formation.

Vertebrate paleofauna

Dinosaur Dinosaur Dinosaurs are a diverse group of animals of the clade and superorder Dinosauria. They were the dominant terrestrial vertebrates for over 160 million years, from the late Triassic period until the end of the Cretaceous , when the Cretaceous–Paleogene extinction event led to the extinction of... s reported from the Calizas de La Huergina Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Concavenator Concavenator Concavenator is a genus of theropod dinosaur that lived approximately 130 million years ago during the early Cretaceous period . The type species is C. corcovatus; Concavenator corcovatus means "hump backed hunter from Cuenca"...	C. corcovatus			"Nearly complete and articulated skeleton."
Concornis Concornis Concornis was an enantiornithine bird. It lived during the Early Cretaceous, in the late Barremian stage or about 127-125 million years ago, and its remains are known from the Calizas de La Huérguina Formation at Las Hoyas, Cuenca province, Spain...	C. lacustris			"Postcranial skeleton."
Eoalulavis Eoalulavis Eoalulavis was an enantiornithine bird. It lived during the Aptian in the Early Cretaceous, about 115 mya and is known from fossils found at Las Hoyas, Spain...	E. hoyasi			"Thoracic region and forelimbs."
Euronychodon Euronychodon Euronychodon is the name given to a genus of coelurosaur dinosaur from the Late Cretaceous, described by Miguel Telles Antunes and Denise Sigogneau-Russell in 1991. It is similar to another coelurosaur, Paronychodon....	Indeterminate
Iberomesornis Iberomesornis Iberomesornis is a monotypic genus of enantiornithine bird of the Cretaceous of Spain.In 1985 the fossil of Iberomesornis was discovered by Armando Díaz Romeral in the Early Cretaceous Calizas de La Huérguina Formation at Las Hoyas, Cuenca Province, east central Spain, which dates to the late...	I. romerali			"Postcranial skeleton."
Iguanodon Iguanodon Iguanodon is a genus of ornithopod dinosaur that lived roughly halfway between the first of the swift bipedal hypsilophodontids and the ornithopods' culmination in the duck-billed dinosaurs...	Indeterminate
Pelecanimimus Pelecanimimus Pelecanimimus is a genus of basal ornithomimosaurian theropod dinosaur from the Early Cretaceous of Spain...	P. polyodon			"Skull and partial skeleton."
Paronychodon Paronychodon Paronychodon was a theropod dinosaur genus. It is a tooth taxon, considered dubious because of the fragmentary nature of the fossils, which include "buckets" of teeth but no other remains...	Indeterminate
Ricardoestesia Ricardoestesia Richardoestesia is a medium-sized genus of theropod dinosaur from the late Cretaceous Period of what is now North America. It is known from a single pair of lower jaw bones and a large number of isolated teeth....	Indeterminate

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