noun
- The period from about 5, 400 million years ago until the present.
- synonyms: Phanerozoic, Phanerozoic eon
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). phanerozoic aeon. Retrieved September 22, 2026, from http://smartdefine.org/phanerozoic_aeon/definitions/1301562 |
| Chicago | WordNet. 2010. "phanerozoic aeon" http://smartdefine.org/phanerozoic_aeon/definitions/1301562 (accessed September 22, 2026). |
| Harvard | WordNet 2010, phanerozoic aeon, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/phanerozoic_aeon/definitions/1301562>. |
| MLA | WordNet. "phanerozoic aeon" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/phanerozoic_aeon/definitions/1301562> |