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18 common square-gills species
Caenis youngi
Caenis latipennis
Caenis amica
Caenis anceps
Caenis macafferti
Caenis punctata
Caenis tardata
Caenis horaria
Caenis lactea
Caenis luctuosa
Caenis robusta
Caenis macrura
Caenis pseudorivulorum
Caenis bajaensis
Caenis rivulorum
Caenis candida
Caenis diminuta
Caenis hilaris
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