|sīfənō|stōməd.əs, -täm- adjective
Etymology: siphon- + -stomatous
1. : having the front edge of the aperture of the shell prolonged in the shape of a channel for the protection of the siphon — used of various marine snails
2. : having a tubular mouth
3.
[New Latin Siphonostomata + English -ous ]
: of or relating to the Siphonostomata