Tom,

You asked about other sandwich shells.  Alison Kay (1979) lists the
following sandwiches:


Acteocina sandwicensis
Cellana sandwicensis
Cerithium sandvichense
Daphnella sandwicensis
Erato sandwicensis
Fusinus sandvicensis
Granula sandwicensis
Mucronalia sandvicensis
Niso sandvicensis
Oliva paxillus sandwicensis
Ostrea sandvicensis
Pedipes sandwicensis
Turbo sandwicensis

I don't know  of many delis that can beat that.  Now, does anyone know
about any shells named after beer or pretzels?

Phil Liff-Grieff
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La Crescenta, California