noun
- Extinct plants having tall arborescent trunks comparable to or more advanced than cycads; known from the Pennsylvanian period; probably extinct since the Mesozoic era.
- synonyms: Cordaitales
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). order cordaitales. Retrieved October 1, 2026, from http://smartdefine.org/order_cordaitales/definitions/1299021 |
| Chicago | WordNet. 2010. "order cordaitales" http://smartdefine.org/order_cordaitales/definitions/1299021 (accessed October 1, 2026). |
| Harvard | WordNet 2010, order cordaitales, Smart Define, viewed 1 October, 2026, <http://smartdefine.org/order_cordaitales/definitions/1299021>. |
| MLA | WordNet. "order cordaitales" 23 October 2010. Web. 1 October 2026. <http://smartdefine.org/order_cordaitales/definitions/1299021> |