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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Clam or mussel:

BIVALVES: Mussels, clams, etc.
BIVALVE: Clam or mussel
SEAFOOD: Mussels and clams
BIVALVE: Mussel or clam.
MOLLUSK: Clam, oyster or mussel.