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''Aldanotreta'' is an extinct genus of brachiopod dating from the Tommotian age of the Cambrian period. It is perhaps the earliest brachiopod. A living relative is the Lingula found in Japan. ==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「Aldanotreta」の詳細全文を読む スポンサード リンク
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