Last seen in:
- L.A. Times Daily - Jun 16 2025
- L.A. Times Daily - Jul 22 2024
- L.A. Times Daily - Dec 4 2022
- Wall Street Journal - Jul 27 2020 - Selected Anthology
- Newsday.com - Jan 14 2018
- The Washington Post Sunday - Nov 26 2017
- The Washington Post - May 10 2016
- The Washington Post - Mar 17 2016
- Universal - Feb 7 2013
- Newsday.com - Mar 19 2009
Related Clues:
- Distinct periods of history
- "Middle" period
- Eon subdivisions
- Some are named for music genres
- Some are named for presidents
- Geologic stretches
- Moundsmen's stats
- Geologic time spans
- Dating service data
- Distinctive historical periods
- Distinctive times of history
- Adds another candle to the cake
- Prominent times
- For all ___
- "-zoic" things