Lot 666
Three Large Floating 475 Million Year Old Crinoids. Found in Erfoud, Morocco, this large 16X9 inch slab contains three near complete large Scyphocrinites crowns with exquisite delicate detail and quite large being 3X3, 3X2 and 2X2 inches. These dark brown 475 million year old crinoids still have some of their stems attached to the crowns. Close examination reveals the detailed feather-like feeding arms and small star-shaped calcite plates. There are two other partial crowns and several sections of additional stems. Crinoids are related to star fish and are known as "sea lilies" because they resemble plants more than animals. Scyphocrinites were an interesting floating crinoid with its stem attached to a round air-filled bulb that floated on the surface of the ocean. When the crinoids died, they would separate from their flotation bulbs and settle on the ocean bottom and the stems would quickly break apart into many pieces. Estimated Value $400 - UP
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