Turbinella

Turbinella is a genus of very large sea snails with an operculum, marine gastropod mollusks in the family Turbinellidae. These species are sometimes known as `chanks` or `chank shells`. One species in this genus is the sacred chank, Turbinella pyrum; see `Shankha` for the cultural and religious use of the shell of that species. Species in th...
Found on http://en.wikipedia.org/wiki/Turbinella

Turbinella

• (n.) A genus of large marine gastropods having a thick heavy shell with conspicuous folds on the columella.
Found on http://thinkexist.com/dictionary/meaning/turbinella/
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