聚環藻屬（學名：），又名聚環疊層石屬，是根據型態特殊的疊層石而建立的一個藍藻化石屬。這類疊層石在古元古代成鐵紀至層侵紀的熱帶海洋中十分普遍。
特徵
聚環藻疊層石中具有錐體、圓柱體等菌落結構，由藻絲與海床中的泥沙聚集構成。組成疊層石的細微藻絲可在顯微鏡下看見。
下属物种
本属包括以下物种：
參考文獻
外部連結
- [https://books.google.it/books?id=uhOoAB52-gIC&pg=PA54&lpg=PA54&dq=Collenia+fossil&source=bl&ots=0p_cSH0a8i&sig=LRzSc68qZo_dgZDCOcZjXhj2eM8&hl=it&sa=X&ved=0CEgQ6AEwBWoVChMIoND6kqOryAIVAocaCh03ZQcv#v=onepage&q=Collenia%20fossil&f=false Geological Survey Professional Paper, Volume 669]
- Spencer G. Lucas,Justin A. Spielmann,Patricia M. Hester,Jason P. Kenworthy,Vincent L. Santucci [https://books.google.it/books?id=q1bmCQAAQBAJ&pg=PA59&lpg=PA59&dq=Collenia+fossil&source=bl&ots=5UNF9fALq-&sig=pE3eT17mCFMrMUmybYd5wbNfpfI&hl=it&sa=X&ved=0CFIQ6AEwB2oVChMIoND6kqOryAIVAocaCh03ZQcv#v=onepage&q=Collenia%20fossil&f=false Americas Antiquities: 100 Years of Managing Fossils on Federal Lands]
- [http://www.fossilmuseum.net/Fossil_Galleries/StromatolitesAmerica.htmAmerican Stromatolites - Precambrian: Archaean and Proterozoic Stromatolite]
- [https://books.google.it/books?id=s6oPAAAAIAAJ&pg=PA133&lpg=PA133&dq=Collenia+fossil&source=bl&ots=24X3GX-0W6&sig=nZE52OkD5zusMh_dKXOMOcQrHPY&hl=it&sa=X&ved=0CF4Q6AEwCWoVChMIoND6kqOryAIVAocaCh03ZQcv#v=onepage&q=Collenia%20fossil&f=false Index of Generic Names of Fossil Plants, 1820-1950]
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