Necklace - Cardioidea Necklace
Beautiful cardioidea pewter pendant on an 18" silver chain. Cardioidea is the scientific name for cockle shell. The shell is 1.5 " H, 1.0" W, weighs .4 oz. There are 250 members of this family of mollusk. The Lunulicardia Hemicardia (shown above) is a species of cockle that looks like a heart. Any of approximately 250 species (family Cardiidae) of marine bivalves distributed worldwide. They range in diameter from about 0.5 in. to about 6 in. The two valves of the shell are equal in size and shape and range in color from brown to red or yellow. Most species live just below the low-tide line, though some have been obtained from depths of more than 1,500 ft or in the intertidal zone. Many species are marketed commercially for their meat. For more information on cockle, visit Britannica.com.