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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 Ephemeroptera
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Superfamily Ephemerelloidea
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Family Ephemerellidae
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Genus Attenella
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Genus Caudatella
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Genus Caurinella
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Genus Dannella
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Genus Dentatella
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Genus Drunella
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Genus Ephemerella
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Genus Eurylophella
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Genus Matriella
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Genus Penelomax
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Genus Serratella
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Genus Teloganopsis
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Genus Timpanoga
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Genus Tsalia
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