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the north-east coast of the United States
000 to 680
7---Helicoprion
Leakey in Nature in 1973
Syphocrinites elegans, crinoid Posters the north-east coast of theCrinoids, commonly referred to as sea lilies, are ocean dwelling creatures that live their lives attached to the sea floor. They are composed of three main body parts: the arms that filter food particles out of the water, the head (or calyx) which houses the internal organs and mouth parts, and the stem which attaches to the sea floor by a root system called a hold fast. Crinoids are animals in spite of their plant like appearance. They are members of
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