Synonyms for Proterozoic aeon
Synonyms for (noun) Proterozoic aeon
Synonyms: Proterozoic, Proterozoic aeon, Proterozoic eon
Definition: from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms
Similar words: aeon, eon
Definition: the longest division of geological time
Visual thesaurus for Proterozoic aeon