Portuguese Oyster (Crassostrea angulata)
Bonnet Shell | Common Limpet |
Black Footed Limpet | China Limpet |
Slipper Limpet | Common Tusk Shell |
Cowrie Shell | European Cowrie |
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A narrower, more irregular shell than the edible oyster, often with a fluted margin. Shells can reach 6½ inches in length.