noun
- From 13 million to 2 million years ago; growth of mountains; cooling of climate; more and larger mammals.
- synonyms: Pliocene
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). pliocene epoch. Retrieved September 22, 2026, from http://smartdefine.org/pliocene_epoch/definitions/1302737 |
| Chicago | WordNet. 2010. "pliocene epoch" http://smartdefine.org/pliocene_epoch/definitions/1302737 (accessed September 22, 2026). |
| Harvard | WordNet 2010, pliocene epoch, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/pliocene_epoch/definitions/1302737>. |
| MLA | WordNet. "pliocene epoch" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/pliocene_epoch/definitions/1302737> |