I once got a shell
>(nerite) with a great looking, heavy, calcareous, white operc with heavy
>horizontal ridges.  Sadly it was not a nerite operc.  I always hoped to
>identify that operc and it is still around here some where.

Sounds like a Natica or turbo perc

Peggy

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                                  Peggy Williams
                                   Shell Elegant
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                                Tallevast FL 34270
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