proterozoic aeon

NOUN
16 LETTERS · STARTS WITH P

proterozoic aeon is a valid 16-letter word worth 28 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3R1O1T1E1R1O1Z10O1I1C3A1E1O1N1
3 + 1 + 1 + 1 + 1 + 1 + 1 + 10 + 1 + 1 + 3 + 0 + 1 + 1 + 1 + 1 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does proterozoic aeon mean?

NOUN · 1 SENSE
1

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