. . . . . . "Pinctada maxima"@en . . "Pinctada maxima is a species of pearl oyster, a marine bivalve mollusk in the family Pteriidae, the pearl oysters. There are two different color varieties: the White-lipped oyster and the Gold-lipped oyster.These bivalves are the largest pearl oysters in the world. They have a very strong inner shell layer composed of nacre, also known as \"mother of pearl\"."@en . .