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Superfamily Caenoidea

Mayfly - Caenis Imago emerges - Caenis - male Imago emerges - Caenis - male Caenis? - Caenis mayflies - Caenis tiny mayfly - Caenis - male flat-winged micro mayfly - Caenis - male Caenis? - Caenis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Furcatergalia
Infraorder Pannota
Superfamily Caenoidea