Noah Webster Dictionary (1913 edition): Ophiuroidea

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Noah Webster Dictionary (1913 edition): Ophiuroidea


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(n. pl.) 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.