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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Chaetognatha (arrow worms)
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Entoprocta (hairy back worms)
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Gastrotricha (hairy back worms)
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Lophophorates (lophophorates)
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Nemertea (ribbon worms)
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Rotifera (wheel or whirling animals)
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Sipuncula (peanut worms)
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