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