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Prochlorococcus sp. Synechococcus sp. Synechococcus elongatus Trichormus variabilis Nostoc sp. Nostoc punctiforme Nodularia spumigena Trichodesmium erythraeum Crocosphaera watsonii Microcystis aeruginosa Synechocystis sp. Acaryochloris marina Thermosynechococcus elongatus Gloeobacter violaceus
0 700 1400 2100 2790 Time (MYA)
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