chiton, coat-of-mail shell, sea cradle, polyplacophore
['seashore, coast, seacoast, sea-coast', 'coil, spiral, volute, whorl, helix', 'tick', 'grey whale, gray whale, devilfish, Eschrichtius gibbosus, Eschrichtius robustus', 'ringneck snake, ring-necked snake, ring snake', 'tiger shark, Galeocerdo cuvieri', 'oystercatcher, oyster catcher']