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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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Family Siphlonuridae
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Genus Siphlonurus
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Species Siphlonurus alternatus
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Species Siphlonurus autumnalis
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Species Siphlonurus barbaroides
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Species Siphlonurus barbarus
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Species Siphlonurus columbianus
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Species Siphlonurus decorus
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Species Siphlonurus demaryi
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Species Siphlonurus flavidus
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Species Siphlonurus luridipennis
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Species Siphlonurus marginatus
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Species Siphlonurus marshalli
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Species Siphlonurus minnoi
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Species Siphlonurus mirus
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Species Siphlonurus noveboracana
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Species Siphlonurus occidentalis
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Species Siphlonurus phyllis
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Species Siphlonurus quebecensis
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Species Siphlonurus rapidus
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Species Siphlonurus securifer
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Species Siphlonurus spectabilis
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Species Siphlonurus typicus
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