Lot 1183
22x9" Slab of Floating Scyphocrinites Crinoid Crowns. Found in Erfoud, Morocco, this large, rust-brown slab is an amazing example of the Crinoids with very fine detail. Measuring around 3x3", each of the five bulb heads (crowns) still have attached partial stems in exquisite detail. Looking closely at each, it is possible to see the animal's feather-like feeding arms and small, star-shaped calcite plates at the crown's base, attached to the stem. Crinoids are related to star fish and are known as "sea lillies" because they resemble plants more than the animals that they are. The Scyphocrinites were an interesting floating Crinoid with its stem attached to a round, air-filled bulbthat floated on the surface of the ocean. The upside-down Crinoid filter fed small organisms, like plankton, that lived near the surface of the ocean. This was highly unusual as most Crinoids were attached to the ocean bottom. When these Crinoids died, they would separate from their floatation bulbs and settle on the bottom. Add $35 for domestic shipping.
Estimated Value $500 - 750.
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