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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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Chelicerata (spiders, mites, scorpions, and relatives)
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Class Arachnida
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Order Sarcoptiformes
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Superfamily Oppioidea
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Family Quadroppiidae
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Genus Quadroppia
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Species Quadroppia abchasica
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Species Quadroppia circumita
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Species Quadroppia crenata
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Species Quadroppia cristata
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Species Quadroppia expansa
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Species Quadroppia galaica
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Species Quadroppia hammerae
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Species Quadroppia illinoisensis
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Species Quadroppia longisetosa
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Species Quadroppia maritalis
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Species Quadroppia media
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Species Quadroppia michaeli
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Species Quadroppia minima
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Species Quadroppia monstruosa
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Species Quadroppia nana
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Species Quadroppia nasalis
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Species Quadroppia obsoleta
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Species Quadroppia omodeoi
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Species Quadroppia pseudocircumita
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Species Quadroppia quadricarinata
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Species Quadroppia trapezoidea
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