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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Deuterostomia (deuterostomes)
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Craniata (craniates)
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Myxini (hagfish)
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Order Myxiniformes
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Genus Eptatretus
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Eptatretus polytrema
Chilean hagfish
(Also: Fourteen-gill hagfish)