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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Deuterostomia (deuterostomes)
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Echinodermata (sea stars, sea urchins, sea cucumbers, and relatives)
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Class Ophiuroidea
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Order Ophiurida
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Family Ophiuridae
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Genus Ophiopyrgus
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Species Ophiopyrgus alcocki
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Species Ophiopyrgus australis
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Species Ophiopyrgus biocalae
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Species Ophiopyrgus depressus
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Species Ophiopyrgus planulatus
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Species Ophiopyrgus saccharatus
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Species Ophiopyrgus trispinosus
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Species Ophiopyrgus turritus
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Species Ophiopyrgus wyvillethomsoni
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