Saddle Oyster (Anomia ephippium)
|Bonnet Shell||Common Limpet|
|Black Footed Limpet||China Limpet|
|Slipper Limpet||Common Tusk Shell|
|Cowrie Shell||European Cowrie|
Compared to other oysters, the shell of the Saddle Oyster is thinner and more brittle. It's roughly circular and up to 1½ inches wide. The upper valve has 3 muscle scars and the lower has a hole by which the animal attaches itself to rocks or other shells. The inside is shiny, sometimes metallic-looking.