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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 Apodida
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Family Synaptidae
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Genus Euapta
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Genus Eupatinapta
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Genus Labidoplax
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Genus Leptosynapta
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Genus Protankyra
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Genus Rynkatorpa
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Genus Synaptula
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