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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 Heptagenioidea
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Family Heptageniidae
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Genus Heptagenia
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Species Heptagenia adaequata
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Species Heptagenia culacantha
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Species Heptagenia dolosa
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Species Heptagenia elegantula
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Species Heptagenia flavescens
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Species Heptagenia julia
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Species Heptagenia marginalis
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Species Heptagenia patoka
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Species Heptagenia pulla
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Species Heptagenia solitaria
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Species Heptagenia townesi
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Species Heptagenia whitingi
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