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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 Holothuroidea
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Order Elasipodida
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Family Elpidiidae
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Genus Achlyonice
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Genus Amperima
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Genus Ellipinion
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Genus Elpidia
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Genus Irpa
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Genus Kolga
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Genus Peniagone
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Genus Scotoplanes
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