bivalve mollusk elongated, oval-shaped shell blue-black, brown, or green in color a thick, hinged shell with two halves a beak-like projection on the surface of the shell a white, fleshy foot that helps mussels anchor to rocks and other surfaces a gill slit along the side of the shell a muscular foot for moving around in the water
mussels which has bivalve mollusk mussels which has elongated, oval-shaped shell mussels which has blue-black, brown, or green in color mussels which is a thick, hinged shell with two halves mussels which is a beak-like projection on the surface of the shell mussels which is a white, fleshy foot that helps mussels anchor to rocks and other surfaces mussels which is a gill slit along the side of the shell mussels which is a muscular foot for moving around in the water