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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Class Adenophorea
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Subclass Enoplia
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Order Enoplida
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Family Anoplostomatidae
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Family Anticomidae
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Family Cryptonchidae
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Family Enoplidae
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Family Eurystominidae
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Family Ironidae
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Family Lauratonematidae
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Family Leptosomatidae
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Family Oncholaimidae
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Family Onchulidae
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Family Oxystominidae
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Family Phanodermatidae
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Family Prismatolaimidae
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Family Rhabdodemaniidae
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Family Rhaptothyreidae
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Family Symplocostomatidae
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Family Synochidae
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Family Thoracostomopsidae
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Family Trefusiidae
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Family Triodontolaimidae
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Family Tripylidae
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