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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 Polydesmida
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Family Platyrhacidae
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Genus Acanthodesmus
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Genus Arcydesmus
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Genus Aymaresmus
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Genus Barydesmus
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Genus Cyphorrhacus
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Genus Derodesmus
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Genus Diodontodesmus
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Genus Dynesmus
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Genus Ernostyx
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Genus Eurydirorhachis
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Genus Eutrachyrhachis
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Genus Hoplurorhachis
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Genus Ilodesmus
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Genus Mniodesmus
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Genus Nanorhacus
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Genus Nanorrhacus
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Genus Nyssodesmus
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Genus Pachyurus
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Genus Paradesmorhachis
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Genus Parazodesmus
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Genus Petalorhacus
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Genus Phyodesmus
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Genus Platyrhachus
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Genus Platyrhacus
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Genus Platyrrhacus
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Genus Polydesmorhachis
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Genus Polylepis
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Genus Proaspis
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Genus Psammodesmus
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Genus Psaphodesmus
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Genus Rhyphodesmus
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Genus Spilodesmus
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Genus Stenoniodes
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Genus Tirodesmus
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Genus Xerodesmus
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