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来自维基百科,自由的百科全书
刺菊石(学名:Acanthoceras)是生存在白垩纪海洋中的一属菊石。其化石分布于美国、德国、英国、法国和澳大利亚等地。[1][2]
刺菊石的外壳有着粗壮的肋条,可能有助于牠们活动于高压的较深海域。其成体的外壳直径约为100厘米。
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