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''Turcutheca'' is a Tommotian (Early Cambrian) genus of mollusc, whose affinities are uncertain, although it bears a certain resemblance to both the hyolithids and the ellesmeroceratids (early cephalopods). == 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「Turcutheca」の詳細全文を読む スポンサード リンク
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