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Proterozoic   Listen
Proterozoic

noun
1.
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" :   Precambrian period, Precambrian aeon, Proterozoic eon, Precambrian eon, early, Proterozoic aeon, aeon, Precambrian, geology, eon


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