(n.pl.) A class of star-shaped echinoderms having a disklike body, with slender, articulated arms, which are not grooved beneath and are often very fragile; -- called also Ophiuroida and Ophiuridea. See Illust. under Brittle star.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). ophiuroidea. Retrieved September 28, 2026, from http://smartdefine.org/ophiuroidea/definitions/2039036 |
| Chicago | Webster's. 2011. "ophiuroidea" http://smartdefine.org/ophiuroidea/definitions/2039036 (accessed September 28, 2026). |
| Harvard | Webster's 2011, ophiuroidea, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/ophiuroidea/definitions/2039036>. |
| MLA | Webster's. "ophiuroidea" 27 May 2011. Web. 28 September 2026. <http://smartdefine.org/ophiuroidea/definitions/2039036> |