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mollusks 
Usually marine-dwelling, soft-bodied invertebrates; some have shells and are sold live.
flat oyster
Less common than the cupped oyster, with a completely flat lower shell; the belon variety is particularly prized.
cupped Pacific oyster
Juicy and meaty, with a well-developed lower shell; like all oysters, it is often eaten raw, either plain or with lemon juice.
blue mussel
Fresh mussels are usually poached in broth or steamed until they open; those that fail to open should be discarded.
razor clam
Elongated mollusk of the clam family, with a shell sharp enough to cut skin, hence its name.
limpet
It has a single shell and is eaten raw with lemon juice or vinegar, or grilled, with butter.
