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(), O°phiuroi"dea ()} n. pl.[NL., fr. Gr. serpent + tail + form.] (Zol.) 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. スポンサード リンク
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