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Collenia
''Collenia'' is genus of fossil cyanobacteria that form a particular type of stromatolites. ==Description== ''Collenia'' are stromatolites made up of convex layers flattened in the center, forming columnar colonies. The microorganisms involved were likely photosynthetic bacteria expiring oxygen. 〔 Carroll Lane Fenton,Pat Vickers Rich,Mildred Adams Fenton,Thomas H. V. Rich (The Fossil Book: A Record of Prehistoric Life ) 〕
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「Collenia」の詳細全文を読む
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