Douvilleiceras

Douvilleiceras Temporal range: Barremian-Cenomanian (typically Albian)[1] ~125–89 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Douvilleiceras sp. – Albian of Madagascar
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ammonitida
Suborder:	Ancyloceratina
Family:	Douvilleiceratidae
Genus:	Douvilleiceras Grossouvre, 1894
Species
See text

Douvilleiceras is a genus of ammonites from the Middle to Late Cretaceous. Its fossils have been found worldwide, in Africa, Asia, Europe, and North and South America.

Description

Shells of Douvilleiceras inaequinodum can reach a diameter of about 8–10 cm (3.1–3.9 in).^[2][3]

Species

Species within the genus Douvilleiceras include:^[4]

Distribution

Fossils of Douvilleiceras are found in the Cretaceous of Angola, Brazil, Canada, Colombia (Capotes Formation, Cundinamarca),^[6] the Dominican Republic, Egypt, France, Iran, Japan, Madagascar, Mexico, Peru, South Africa, Switzerland, the former USSR, the United Kingdom, Alaska and Texas.^[4] D. inaequinodum fossils have been found in Albian strata of France.^[2][3]

Gallery

• 
  D. clementium
• 
  D. mammillatum
• 
  D. inaequinodum
• 
  Reconstruction of D. mammillatum with Hoplites dentatus

References

Bibliography

• Acosta Garay, Jorge E., and Carlos E. Ulloa Melo. 2002. Mapa Geológico del Departamento de Cundinamarca - 1:250,000 - Memoria explicativa, 1–108. INGEOMINAS. Accessed 2017-06-05.

Further reading

• 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

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