Answer: ophiuroid

AnswerCrossword Clue
ophiuroidany echinoderm of the subclass Ophiuroidea, including brittle stars, basket stars, and others, characterized by elongate arms radiating from the disk
ophiuroidof or pertaining to the subclass Ophiuroidea
ophiuroida member of the Ophiura genus of brittle-stars or sand-stars also OPHIURA, OPHIURAN, OPHIURID