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.
Shells of Douvilleiceras inaequinodum can reach a diameter of about 8-.
Species within the genus Douvilleiceras include:
Fossils of Douvilleiceras are found in the Cretaceous of Angola, Brazil, Canada, Colombia (Capotes Formation, Cundinamarca),[2] the Dominican Republic, Egypt, France, Iran, Japan, Madagascar, Mexico, Peru, South Africa, Switzerland, the former USSR, the United Kingdom, Alaska and Texas.[3] D. inaequinodum fossils have been found in Albian strata of France.[4] [5]