Spire (mollusc)


Spire (mollusc)

A spire is a descriptive term for part of the shell of a snail, a gastropod mollusc shell or gastropod shell. The spire consists of all of the whorls of a coiled gastropod shell except for the body whorl.

ome different types of spire

Turbinoform or Turbinate: having a broadly conical spire and a convex base, as in "Turbo", turban-shaped.

Turriform: with a many-whorled, slender spire, as in "Turritella".


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