Talk:Paleoproterozoic
Latest comment: 12 years ago by Macdonald-ross in topic cyanobacteria
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cyanobacteria edit
Cyanobacteria were well established in the Archean, as a dozen other articles testify. Correct would be "Cyanobacteria continued to be one of the dominant life-forms in the biosphere", or some such. Macdonald-ross (talk) 07:12, 7 July 2011 (UTC)