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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 Oligoneuriidae
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Genus Homoeoneuria
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Genus Lachlania
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Genus Oligoneuria
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