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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 Dorylaimida
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Family Nygolaimidae
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Genus Nygolaimus
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Species Nygolaimus aquaticus
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Species Nygolaimus ferox
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Species Nygolaimus hartingi
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Species Nygolaimus pachydermatus
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