From 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms. Synonyms: Proterozoic, Proterozoic eon.
|
|
|
Words linked to "Proterozoic aeon" : Precambrian, proterozoic, Precambrian eon, Precambrian period, eon, Precambrian aeon, Proterozoic eon, aeon |
Copyright © 2024 Dictionary One.com |