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来自维基百科,自由的百科全书
刺菊石(學名:Acanthoceras)是生存在白堊紀海洋中的一屬菊石。其化石分布於美國、德國、英國、法國和澳大利亞等地。[1][2]
刺菊石的外殼有著粗壯的肋條,可能有助於牠們活動於高壓的較深海域。其成體的外殼直徑約為100釐米。
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