聚環藻屬
外觀
聚環藻屬 化石時期:
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21.1億年前帶狀鐵礦層中的Collenia undosa疊層石 | |
來自美國前寒武紀地層的Collenia undosa疊層石 | |
科學分類 | |
域: | 細菌域 Bacteria |
門: | 藍菌門 Cyanobacteria |
科: | Spongiostromata Spongiostromata |
亞科: | Stromatolithi Stromatolithi |
屬: | 聚環藻屬 Collenia Walcott, 1914 |
種 | |
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聚環藻屬(學名:Collenia),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。[1][2]
特徵
[編輯]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。[2]
下屬物種
[編輯]本屬包括以下物種:
- Collenia angarica Maslov 1937
- Collenia asiatica Maslov 1937
- Collenia baicalica Maslov 1937
- Collenia buriatica Maslov 1937
- Collenia compacta Walcott 1916
- Collenia frequens (Walcott 1906) Walcott 1914
- Collenia ilimica Maslov 1937
- Collenia invertum Banerjee 1969
- Collenia katangica Maslov 1937
- Collenia kavalkani Nuzhnov 1960
- Collenia milconi Nuzhnov 1960
- 西方聚環藻 Collenia occidentalis Walcott 1916,也拼作:Collenia occidentale
- Collenia omachtensis Nuzhnov 1960
- Collenia problematica Maslov 1937
- Collenia saianica Maslov 1937
- Collenia schamanica Maslov 1937
- Collenia tungusica Maslov 1937
- Collenia turtschanensis Nuzhnov 1960
- Collenia undosa Walcott 1916
參考文獻
[編輯]- ^ Rich, Thomas H. V.; Fenton, Carroll Lane; Fenton, Mildred Adams; Rich, Pat Vickers. The fossil book: a record of prehistoric life. New York: Dover Publications. 1996. ISBN 0-486-29371-8.
- ^ 2.0 2.1 Walker, Cyril; Ward, David. Fossils. Smithsonian Handbooks revised, illustrated. Dorling Kindersley. 2002: 286. ISBN 0789489848.
外部連結
[編輯]- Geological Survey Professional Paper, Volume 669 (頁面存檔備份,存於互聯網檔案館)
- Spencer G. Lucas,Justin A. Spielmann,Patricia M. Hester,Jason P. Kenworthy,Vincent L. Santucci Americas Antiquities: 100 Years of Managing Fossils on Federal Lands (頁面存檔備份,存於互聯網檔案館)
- Stromatolites - Precambrian: Archaean and Proterozoic Stromatolite[永久失效連結]
- Index of Generic Names of Fossil Plants, 1820-1950 (頁面存檔備份,存於互聯網檔案館)