Ключевые слова: animal, animalia, bivalve, calcareous, calciet, calcium, carbonate, chitin, chlamys, closeup, invertebrate, malacology, marine, membrane, mollusc, mollusca, molluscs, mollusk, mollusks, nature, organism, pectinidae, scallop, scallopshell, seashell, shape, shell, shellfish, species, specimen,