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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 Trigoniulidae
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Genus Acanthiulus
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Genus Ainigmabolus
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Genus Apeuthes
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Genus Cingalobolus
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Genus Decelus
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Genus Epombrophilus
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Genus Lankabolus
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Genus Leptogoniulus
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Genus Litobolus
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Genus Marshallbolus
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Genus Phagostrophus
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Genus Plokamostrophus
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Genus Prionopeza
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Genus Speleostrophus
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Genus Spirostrophus
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Genus Sympastrophus
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Genus Thrinciulus
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Genus Trigoniulus
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Genus Trucobolus
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Genus Variulus
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Genus Zygostrophus
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