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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 Secernentea
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Order Aphelenchida
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Family Aphelenchidae
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Genus Parasitaphelenchus
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Species Parasitaphelenchus oregonensis
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Species Parasitaphelenchus papillatus
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Species Parasitaphelenchus uncinatus
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