ecofactbook
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species
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Animalia
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Arthropoda
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Insecta
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Ephemeroptera
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Caenidae
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Amercaenis
Brachycercus
Brasilocaenis
Caenis
Caenoculis
Caenopsella
Cercobrachys
Clypeocaenis
Sparbarus
Susperatus
Tasmanocoenis
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Amercaenis