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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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Order Plecoptera
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Superfamily Perloidea
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Family Perlodidae
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Genus Skwala
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Species Skwala americana
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Species Skwala brevis
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Species Skwala curvata
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Species Skwala natorii
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Species Skwala pusilla
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