
Vermetus is a genus of sea snails, marine gastropod mollusks in the family Vermetidae, the worm snails or worm shells. Species within the genus Vermetus include: ...
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http://en.wikipedia.org/wiki/Vermetus

• (n.) Any one of many species of marine gastropods belonging to Vermetus and allied genera, of the family Vermetidae. 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.
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http://thinkexist.com/dictionary/meaning/vermetus/

<zoology> Any one of many species of marine gastropods belonging to Vermetus and allied genera, of the family Vermetidae. 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. ... Origin: NL, from L. Vermis worm. ... Source: Websters ...
Found on
http://www.encyclo.co.uk/local/20973
Ver·me'tus noun [ New Latin , from Latin
vermis worm.]
(Zoology) 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...
Found on
http://www.encyclo.co.uk/webster/V/16
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