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Keywords from Image Description:
FMIB Various forms of opercula .jpeg Various forms of opercula Turbo Sarmaticus Turbo Callopoma Livona Ampullaria Natica Subject Turbo Livona Ampullaria Natica Tag Mollusks Cite book Molluscs Brachiopods Recent Brachiopods Fossil Cooke Shipley Reed London England Macmillan and Co Cambridge Natural History Figure Creator Cooke