- Siphonobranchiata
- Siphonobranchiata Si`pho*no*bran`chi*a"ta, n. pl. [NL. See {Siphon}, and {Branchia}.] (Zo["o]l.) 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. [1913 Webster]
The Collaborative International Dictionary of English. 2000.