comatulid
See comatulid in American Heritage Dictionary 4
(kə-măchˈə-lĭd) also co·mat·u·la (-lə)
noun pl. co·mat·u·lids also
co·mat·u·lae (-lē) Any of various marine invertebrates of the class Crinoidea, such as the sea lilies and feather stars, that are attached to a surface by a stalk when young but may be free-swimming as adults.
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