Douvilleiceras

Douvilleiceras Temporal range: Albian PreЄ Є O S D C P T J K Pg N
File:Gasteropods - Ammonites - Douvilleiceras sp..JPG
Douvilleiceras sp. – Albian of Madagascar
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ammonitida
Family:	Douvilleiceratidae
Genus:	Douvilleiceras Grossouvre, 1894
see text

Douvilleiceras is a genus of ammonites from the Cretaceous. Its fossils have been found in Europe, North America, and South America.

Distribution

Douvilleiceras may be found in the Cretaceous of Angola, Brazil, Canada, the Dominican Republic, France, Iran, Japan, Madagascar, Mexico, Peru, South Africa, Switzerland, USSR, the United Kingdom, Alaska and Texas. D. inaequinodum fossils have been found in Albian strata of France.

Description

Shells of Douvilleiceras inaequinodum can reach a diameter of about 8–10 cm (3.1–3.9 in).

Species

Species within the genus Douvilleiceras include:

• D. inaequinodum (Quenstedt, 1849)
• D. mammillatum Schlotheim, 1813
• D. monile Sowerby, 1836
• D. muralense Stoyanow 1949
• D. orbignyi Hyatt, 1903
• D. spiniferum Whiteaves, 1876

Gallery

• Douviloceras clementium, Cretaceous, Carriere de Courcelles, Aube, Troyes, France - Houston Museum of Natural Science - DSC01980.JPG

  Douviloceras clementium

• Haeckel Douvilleiceras mammillatum.jpg

  Douvilleiceras mammillatum

• Douvilleiceratidae - Douvilleiceras inaequinodum.JPG

  Douvilleiceras inaequinodum

References

• A Pictorial Guide to Fossils by Gerard Ramon Case
• Tzankov, V., 1963: Sur la presence d'Albien moyenzone des Douvilleiceras inaequinodum dans la region de Sviatov. Review of the Bulgarian Geological Society, 23: 213-215

External links

• L’Albien de l’Aube
• Davjol 0