Collenia
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| Section of Collenia undosa stromatolite from 2110 million year old banded iron formation, Biwabik | |
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| Collenia undosa stromatolite from Precambrian of United States | |
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Collenia
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Collenia is genus of fossil cyanobacteria that form a particular type of stromatolites.[1]
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. [2]
Fossil record
Collenia stromatolites were very common in the late Precambrian, about 2.2 to 2.4 billion yearsago.
References
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Carroll Lane Fenton,Pat Vickers Rich,Mildred Adams Fenton,Thomas H. V. Rich The Fossil Book: A Record of Prehistoric Life
External links
- Geological Survey Professional Paper, Volume 669
- 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
- Stromatolites - Precambrian: Archaean and Proterozoic Stromatolite
- Index of Generic Names of Fossil Plants, 1820-1950
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