Ключевые слова: animal, animalia, aragoniet, calcareous, calciet, calcium, carbonate, chalk, chitin, chitons, clams, closeup, cockleshell, collectors, conch, conchology, conchs, cradles, ecology, exoskeleton, invertebrate, item, life, malacology, mantle, marine, membrane, mollusca, molluscs, mollusks, nature, organism, salt, scallops, sea, seashell, seashells, shape, shell, shells, skeleton, species, spondylus barbatus, studio, valves, white,