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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 Asteroidea
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Order Spinulosida
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Family Echinasteridae
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Genus Echinaster
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Genus Henricia
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Genus Odontohenricia
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Genus Poraniopsis
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Genus Stegnaster
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