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''Douvilleiceratidae'' is a family of ammonites. These fast-moving nektonic carnivores lived in the Cretaceous from 125.45 to 94.3 Ma. 〔 (Fossilworks )〕 Its fossils have been found in Angola, Brazil, Canada, Colombia, the Dominican Republic, France, Germany, India, Iran, Italy, Japan, Madagascar, Mexico, Morocco, Peru, South Africa, Spain, Switzerland, Russia, the United Kingdom, United States and Venezuela. 〔 ==Subfamilies and Genera== * ''Cheloniceratinae'' Spath 1923 * * ''Cheloniceras'' Hyatt 1903 * * ''Procheloniceras'' Spath 1923 * ''Douvilleiceratinae'' Parona and Bonarelli 1987 * * ''Douvilleiceras'' Grossouvre 1894 * ''Roloboceratinae'' Casey 1961 * * ''Roloboceras''〔 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Douvilleiceratidae」の詳細全文を読む スポンサード リンク
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