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''Plourdosteus'' is an extinct genus of placoderm, which was relatively widespread in Euramerica during the Givetian to Frasnian ages of the Devonian. The name ''Plourdosteus'' commemorates the Plourde family at Miguasha. ==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「Plourdosteus」の詳細全文を読む スポンサード リンク
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