From Biocrawler, the free encyclopedia.
The Spire in a mollusc shell constitutes all the whorls of a spiral shell exclusive except for the body whorl.
Turbinoform, Turbinate: having a broadly conical spire and convex base, as in Turbo. Turban-shaped.
Turriform: With a many whorled, slender spire, as in Turittella.
 Wikipedia (http://en.wikipedia.org/wiki/Main_Page) Spire_(mollusc) (http://en.wikipedia.org/wiki/Spire_(mollusc)) version history (http://en.wikipedia.org/w/index.php?title=Spire_(mollusc)&action=history) GNU Free Documentation Lizenz (http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License)  CC-by-sa (http://creativecommons.org/licenses/by-sa/2.5/)
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