abalone shells
Aquatic Fossils
ark shells
barnacle shell
Bonnets, Muscreepers, Mud Snails, Red-Mouth Olives, Olive Shells, Cones
bubble shells
buccinum shells
chiton shells
clam shell
Clams
claw shells
Closed gates
cockle shells
Collected Shell Specimens
cone shells
Cone Shells, Geography Cones, Striate Cones, Terebra Cone, Weasel Cone, Soldier cones, Captain Cones
cowrie shells
Each Stroke of a Hammer Is a Blow Against the Enemy