(n.pl.) A division of gastropod Mollusca, including the chitons. The back is covered by eight shelly plates. Called also Polyplacophora. See Illust. under Chiton, and Isopleura.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). placophora. Retrieved September 24, 2026, from http://smartdefine.org/placophora/definitions/2046020 |
| Chicago | Webster's. 2011. "placophora" http://smartdefine.org/placophora/definitions/2046020 (accessed September 24, 2026). |
| Harvard | Webster's 2011, placophora, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/placophora/definitions/2046020>. |
| MLA | Webster's. "placophora" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/placophora/definitions/2046020> |