siphonostomatous

adjective
si·​pho·​no·​stoma·​tous | \ ¦sīfənō¦stōmətəs, -täm-\

Definition of siphonostomatous

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

History and Etymology for siphonostomatous

siphon- + -stomatous

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