Densuş-Ciula Formation

The Densuş-Ciula Formation is a geological formation in Romania whose strata date back to the Late Cretaceous. It forms part of the Hațeg Island assemblage. Dinosaur remains are among the fossils that have been recovered from the formation.[1] It is divided up into three members, the lower member is noted for high content of volcanogenic material and is poorly fossiliferous. While the Middle member consists of silty mudstones, sandstones and conglomerates containing volcanogenic clasts and is richly fossiliferous, while the upper member consists of matrix supported red conglomerates and is poorly fossiliferous.[2]

Densuş-Ciula Formation
Stratigraphic range: Maastrichtian
TypeGeological formation
Sub-unitsLower, Middle and Upper Members
UnderliesCenozoic deposits
OverliesFlysch
Lithology
PrimaryMudstone, sandstone, conglomerate
Location
Country Romania
ExtentNorthwest Hațeg Basin

Fossil content

Indeterminate dromaeosaurid and possible indeterminate troodontid remains present in Judetul Hunedoara, Romania.[1] An unnamed theropod is also present.[1]

Amphibians
Amphibians
GenusSpeciesPresenceNotesImages
Albanerpeton Indeterminate Albanerpetonid
Paralatonia P. transylvanica Alytid
Hatzegobatrachus H. grigorescui Bombinatorid

Squamates
Squamates
GenusSpeciesPresenceNotesImages
Nidophis N. insularis Madtsoiid snake

Turtles
Turtles
GenusSpeciesPresenceNotesImages
Kallokibotion K. bajazidi
Dortokidae Indeterminate

Crocodyliformes
Crocodyliformes
GenusSpeciesPresenceNotesImages
Allodaposuchus A. precedens
Doratodon Indeterminate
Sabresuchus S. sympiestodon Formerly thought to be Theriosuchus

Dinosaurs
Dinosaurs
GenusSpeciesPresenceNotesImages
Balaur B. bondoc
Magyarosaurus M. dacus Judetul Hunedoara [1]
Telmatosaurus T. transsylvanicus
Zalmoxes Z. robustus Judetul Hunedoara [1]
Z. shqiperorum Judetul Hunedoara

Pterosaurs
Pterosaurs
GenusSpeciesPresenceNotesImages
Hatzegopteryx[3] H. thambena[3]

Mammals
Mammals
GenusSpeciesPresenceNotesImages
Hainina Indeterminate Two species

See also
  • List of dinosaur-bearing rock formations

References
  1. Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, Europe)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 588-593. ISBN 0-520-24209-2.
  2. VASILE, ŞTEFAN; CSIKI, ZOLTÁN; GRIGORESCU, DAN (2011). "Reassessment of the Spatial Extent of the Middle Member, Densuş-Ciula Formation (Maastrichtian), Haţeg Basin, Romania". Acta Palaeontologica Romaniae: 335–342.
  3. Buffetaut, E., Grigorescu, D., and Csiki, Z. (2002). "A new giant pterosaur with a robust skull from the latest Cretaceous of Romania." Naturwissenschaften, 89(4): 180-184. Abstract

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