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Proterozoic eon Uncommon

Noun

Definitions
Noun
1

from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms

Rhyming Words
eon aeon seon keon neon leon peon meon jeon geon heon deon yeon zeon odeon pleon cleon hyeon paeon theon
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Proterozoic eon vs