(n.pl.) A tribe of gastropods having the mantle border, on one or both sides, prolonged in the form of a spout through which water enters the gill cavity. The shell itself is not always siphonostomatous in this group.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Siphonobranchiata. Retrieved September 28, 2026, from http://smartdefine.org/siphonobranchiata/definitions/2062354 |
| Chicago | Webster's. 2011. "Siphonobranchiata" http://smartdefine.org/siphonobranchiata/definitions/2062354 (accessed September 28, 2026). |
| Harvard | Webster's 2011, Siphonobranchiata, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/siphonobranchiata/definitions/2062354>. |
| MLA | Webster's. "Siphonobranchiata" 28 May 2011. Web. 28 September 2026. <http://smartdefine.org/siphonobranchiata/definitions/2062354> |