Cockle Small 320×313 Medium 640×627 Large 1024×1003 Download Tiff Original 2450×2400 | (3.2 MB) Description A common cockle shell. Keywords Clam, mussel, oyster, Scallop Galleries Clams and Other Bivalves Source: William & Robert Chambers Encyclopaedia - A Dictionary of Universal Knowledge for the People (Philadelphia, PA: J. B. Lippincott & Co., 1881)