noun
- Extinct jawless fish of the Devonian with armored head.
- synonyms: osteostracan
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). cephalaspid. Retrieved September 21, 2026, from http://smartdefine.org/cephalaspid/definitions/1326881 |
| Chicago | WordNet. 2010. "cephalaspid" http://smartdefine.org/cephalaspid/definitions/1326881 (accessed September 21, 2026). |
| Harvard | WordNet 2010, cephalaspid, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/cephalaspid/definitions/1326881>. |
| MLA | WordNet. "cephalaspid" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/cephalaspid/definitions/1326881> |