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Ophiuroidea 蛇尾纲; 蛇尾亚纲 蛇尾纲; 蛇尾亚纲 Ophiuroidea n 1: brittle stars and basket stars [synonym: {Ophiuroidea}, {class Ophiuroidea}] Ophiurioidea \O`phi*u`ri*oi"de*a\, Ophiuroidea
\O`phi*u*roi"de*a\, n. pl. [NL., fr. Gr. 'o`fis serpent 'oyra` tail e'i^dos form.] (Zool.) 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}. [1913 Webster]
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