(n.pl.) One of the larger divisions of Crustacea, so called because the thorax and abdomen are both segmented; Tetradecapoda. It includes the Amphipoda and Isopoda.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). arthrostraca. Retrieved September 25, 2026, from http://smartdefine.org/arthrostraca/definitions/1976092 |
| Chicago | Webster's. 2011. "arthrostraca" http://smartdefine.org/arthrostraca/definitions/1976092 (accessed September 25, 2026). |
| Harvard | Webster's 2011, arthrostraca, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/arthrostraca/definitions/1976092>. |
| MLA | Webster's. "arthrostraca" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/arthrostraca/definitions/1976092> |