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