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n.1.(Zool.) Any one of many species of marine gastropods belonging to Vermetus and allied genera, of the family Vermetidæ. Their shells are regularly spiral when young, but later in life the whorls become separate, and the shell is often irregularly bent and contorted like a worm tube.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Die Ernahrung der Wurmschnecke Vermetus" Biologisches Zentralblatt, pp.
Yonge, Notes on Feeding and Digestion in Pterocera and Vermetus, with a Discussion on the Occurence of the Crystalline Style in the Gastropoda, vol.