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ophiuroida |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Ophiurioidea \O`phi*u`ri*oi"de*a\, Ophiuroidea \O`phi*u*roi"de*a\, n. pl [NL., fr Gr ? serpent + ? tail + ? form.] (Zo["o]l.) A class of star-shaped echinoderms having a disklike body, with slender, articulated arms, which are not grooved beneath and are often very fragile; -- called also {Ophiuroida} and {Ophiuridea}. See Illust. under {Brittle star}.
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