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Lewesiceras
''Lewesiceras'' is a genus of large ammonites belonging to the order Ammonitida family Pachydiscidae. They lived in the late Cretaceous period, in the Cenomanian and Turonian ages, which occurred 99.6-89.3 million years ago. These shelled ammonoids were nektonic, fast-moving and carnivores. ==Fossils distribution== Cretaceous of Armenia, France, Germany, United States (Texas), Uzbekistan.
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「Lewesiceras」の詳細全文を読む
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