A small mollusc with a robust shell, occurring in tropical and subtropical seas.
- Family Pyrenidae (or Columbellidae), class Gastropoda: Pyrene and other genera
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- There are also the spiral shells of various sea snails, including what look like beaded periwinkles (family Littorinidae), and spirally corded dove shells (family Columbellidae).
- Dove shells are small and attractive shells that are common in rocky environments but are most often inhabited by hermit crabs.