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Proterozoic and Phanerozoic, e.g. Crossword Clue Answer is…
Answer: EONS
This clue last appeared in the Washington Post Daily Mini Meta Crossword on January 1, 2024. You can also find answers to past Washington Post Daily Mini Meta Crosswords.
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Clue & Answer Definitions
- PROTEROZOIC (noun)
- from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms
- PROTEROZOIC (adjective)
- formed in the later of two divisions of the Precambrian era
- PHANEROZOIC (noun)
- the period from about 540 million years ago until the present, a period when abundant life existed
Historical Usage in Crossword Puzzles
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