noun
- Genus of fossil seed ferns of the Carboniferous.
- synonyms: genus Lyginopteris
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). lyginopteris. Retrieved September 29, 2026, from http://smartdefine.org/lyginopteris/definitions/1235997 |
| Chicago | WordNet. 2010. "lyginopteris" http://smartdefine.org/lyginopteris/definitions/1235997 (accessed September 29, 2026). |
| Harvard | WordNet 2010, lyginopteris, Smart Define, viewed 29 September, 2026, <http://smartdefine.org/lyginopteris/definitions/1235997>. |
| MLA | WordNet. "lyginopteris" 23 October 2010. Web. 29 September 2026. <http://smartdefine.org/lyginopteris/definitions/1235997> |