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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Deuterostomia (deuterostomes)
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Hemichordata (acorn worms)
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Class Enteropneusta
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Order Not assigned
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Family Harrimaniidae
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Genus Harrimania
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Genus Protoglossus
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Genus Saccoglossus
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Genus Stereobalanus
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Genus Xenopleura
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