Douvilleiceras
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 . Species. Species within the genus "Douvilleiceras" include: Distribution. Fossils of "Douvilleiceras" are found in the Cretaceous of Angola, Brazil, Canada, Colombia (Capotes Formation, Cundinamarca), the Dominican Republic, Egypt, France, Iran, Japan, Madagascar, Mexico, Peru, South Africa, Switzerland, the former USSR, the United Kingdom, Alaska and Texas. "D. inaequinodum" fossils have been found in Albian strata of France.