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Hunnebergia
''Hunnebergia'' is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period,〔 a faunal stage which lasted from approximately 478 to 471 million years ago. ==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「Hunnebergia」の詳細全文を読む
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