mny various shells of mollusks cutout on white

background bivalve buccinidae burgundy cardiidae cerith cerithiid clam cockle collage collection conch cone coninae conus cowrie cowry cut cutout cypraeoidea edible gastropod gastropoda helix isolated lot many mollusc mollusk murex muricidae natural out quahog rapana rock roman scallop sea seashell set shell shellfish slit slug snail tower various whelk white