Argiles d'Octeville

The Argiles d'Octeville (meaning Octeville Clay) is a geological formation in Normandy, France. It dates back to the Kimmeridgian stage of the Late Jurassic.[1] It is equivalent to the Kimmeridge Clay in England[2] and predominantly consists of claystone, with some limestone.[3] It is well exposed in cliff section at Cap de la Hève

Argiles d'Octeville
Stratigraphic range: Kimmeridgian
Argiles d'Octeville exposed near the base of cliffs near Octeville-sur-Mer, with Chalk in the upper exposure
TypeGeological formation
Sub-unitsArgiles du Croquet inférieures, Argiles du Croquet supérieures, Argiles d'Ecqueville inférieures, Argiles d'Ecqueville médianes, Argiles d'Ecqueville supérieures
UnderliesUnconformity with Aptian sands
OverliesMarnes de Bleville
Thickness34 metres
Lithology
PrimaryClaystone
OtherLimestone
Location
RegionNormandy
Country France
Type section
Named forOcteville-sur-Mer

Vertebrate fauna
Reptiles of the Argiles d'Octeville
Taxa Species Presence Material Notes Images

Dacentrurus[1]

 Indeterminate[4] Cliffs of Octeville, Cap de La Hève, Normandy "Seven cervical vertebrae, seven dorsal vertebrae, a sacrum with seven fused centra and sacral ribs, the left ilium, the posterior ends of one pubis and one ischium, the first caudal vertebra and one femur" Dacentrurine Stegosaur. Excavated in 1898.[5] First described as "Omosaurus lennieri" by Nopcsa in 1911[6] Remains destroyed by WW2 bombing in 1944.
Dacentrurus
Normannognathus[7] N. wellnhoferi Cliffs of Octeville, Cap de La Hève, Normandy Left anterior portion of the skull and associated lower jaws Pterosaur, indeterminate Monofenestratan.


Sauropoda[1]

 Indeterminate
  1. Geographically located in Departement de la Seine-Maritime, France.[1]
  1. "(=Pelorosaurus sp.)"[1]

See also
  • List of dinosaur-bearing rock formations

References
  1. Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Jurassic, Europe)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 545–549. ISBN 0-520-24209-2.
  2. Gallois, R. W. 2005 Kimmeridgian of the Normandy coast, C. R. L’Acad. Sci., Vol. 337, 347-255.
  3. M. Saint-Germès, F. Baudin, J.-F. Deconinck, P. Hantzpergue, Y. Samson. 1996. Sédimentologie de la matière organique et des argiles du Kimméridgien de Normandie (région du Havre) (Sedimentology of organic matter and day mineralogy in the Kimmeridgian of Normandy (Le Havre area))
  4. Maidment, Susannah C. R.; Norman, David B.; Barrett, Paul M.; Upchurch, Paul (January 2008). "Systematics and phylogeny of Stegosauria (Dinosauria: Ornithischia)". Journal of Systematic Palaeontology. 6 (4): 367–407. doi:10.1017/S1477201908002459. ISSN 1477-2019.
  5. Lepage Y., Buffetaut E. & Lepage G., 2018. The first photographs of a dinosaur excavation in Europe: Emile Savalle and the stegosaur from Octeville (Normandy, 1898). Colligo, 1(1). https://perma.cc/EAH6-7STS
  6. Nopcsa F., 1911. Omosaurus lennieri. Un nouveau dinosaurien au Cap de la Hève. Bulletin de la Société géologique de Normandie, 30 (1910) : 23-42.
  7. Buffetaut, E., Lepage, J.-J., and Lepage, G. (1998). A new pterodactyloid pterosaur from the Kimmeridgian of the Cap de la Hève (Normandy, France). Geological Magazine 135(5):719–722.
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