From 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms. Synonyms: Proterozoic, Proterozoic aeon.
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Words linked to "Proterozoic eon" : aeon, Precambrian aeon, Proterozoic aeon, Precambrian eon, eon, Precambrian, Precambrian period, proterozoic |
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