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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 Amphilepididae
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Family Amphiuridae
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Family Hemieuryalidae
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Family Ophiacanthidae
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Family Ophiactidae
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Family Ophiochitonidae
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Family Ophiocomidae
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Family Ophiodermatidae
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Family Ophiolepididae
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Family Ophiomyxidae
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Family Ophionereididae
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Family Ophiothrichidae
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Family Ophiuridae
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