English
Detailed Synonyms for Proterozoic in English
Proterozoic:
Proterozoic [the ~] noun
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the Proterozoic
– from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms 1the Proterozoic aeon; the Proterozoic eon; the Proterozoic– from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms 1