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Shell money usually consisted of whole or partial sea shells, often worked into beads or otherwise shaped. The use of shells in trade began as direct commodity exchange, the shells having use-value as body ornamentation. The distinction between beads as commodities and beads as money has been the subject of debate among economic anthropologists ...
Shell jewelry is jewelry that is primarily made from seashells, the shells of marine mollusks. Shell jewelry is a type of shellcraft. One very common form of shell jewelry is necklaces that are composed of large numbers of beads, where each individual bead is the whole (but often drilled) shell of a small sea snail.
1742 drawing of shells of the money cowrie, Monetaria moneta Cowrie shells The shells of cowries are usually smooth and shiny and more or less egg-shaped. The round side of the shell is called the Dorsal Face, whereas the flat under side is called the Ventral Face, which shows a long, narrow, slit-like opening (), which is often toothed at the edges.
Monetaria moneta, common name the money cowrie, is a species of small sea snail, a marine gastropod mollusk in the family Cypraeidae, the cowries. [1]This species is called "money cowrie" because the shells were historically widely used in many Pacific and Indian Ocean countries as shell money before coinage was in common usage.
Most molluscs with shells can produce pearls, but only the pearls of bivalves and some gastropods, whose shells are lined with nacre, are valuable. [4] [5] The best natural pearls are produced by marine pearl oysters, Pinctada margaritifera and Pinctada mertensi, which live in the tropical and subtropical waters of the Pacific Ocean.
Researchers have long puzzled over the peculiar innards of an ancient sea creature. A new study says scientists were looking at the Pikaia fossil the wrong way.
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Sand dollars (also known as sea cookies or snapper biscuits in New Zealand and Brazil, or pansy shells in South Africa) are species of flat, burrowing sea urchins belonging to the order Clypeasteroida. Some species within the order, not quite as flat, are known as sea biscuits. Sand dollars can also be called "sand cakes" or "cake urchins". [2]