siliquaria

from The Century Dictionary.

• noun In conchology: A. genus of tænioglossate holostomatous gastropods, belonging to the family Vermetidæ or made type of the Siliquariidæ, having a tubular shell which begins as a spiral and ends with irregular separated whorls or coils, somewhat like the hard cases of some worms, as serpulas. S. anguina is a typical example.
• noun A species or an individual of this genus.
• noun A genus of bivalve mollusks: same as