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Sea Urchin Fossil Collection

Fossil Sand Dollars  a species of flattened, burrowing sea urchins belonging to the order Clypeasteroida. Known also as see cookie, snapper biscuit, pansy shell. There are around 800 extant species and the group has a long and detailed fossil record stretching back about 450 million years ago to the Late Ordovician Period. Found in Madagascar, they can be used as healing tools.