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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Arthropoda (arthropods)
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Myriapoda (millipedes, centipedes, and relatives)
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Class Diplopoda
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Order Spirobolida
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Family Allopocockiidae
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Family Atopetholidae
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Family Floridobolidae
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Family Messicobolidae
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Family Not assigned
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Family Pachybolidae
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Family Pseudospirobolellidae
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Family Rhinocricidae
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Family Spirobolellidae
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Family Spirobolidae
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Family Trigoniulidae
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Family Typhlobolellidae
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