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Kumatostephanus : ウィキペディア英語版 | Kumatostephanus
|regnum = Animalia |phylum = Mollusca |classis = Cephalopoda |subclassis = Ammonoidea |ordo = |superfamilia = |genus = ''Kumatostephanus'' }} ''Kumatostephanus'' is an extinct genus from a well-known class of fossil cephalopods, the ammonites. It lived during the Jurassic Period,〔 which lasted from approximately 200 to 145 million years ago. It was slow moving and likely to fall victim to large predators such as Liopleurodon, or small mosasaurs. ==References==
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「Kumatostephanus」の詳細全文を読む
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