Ephemeroidea

Ephemeroidea
Ephemera danica
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Ephemeroptera
Suborder:	Schistonota
Superfamily:	Ephemeroidea

Ephemeroidea is a superfamily of mayflies. Members of this superfamily are found in most parts of the world with the exception of the Arctic, the Antarctic and Australia.

The following families are recognised:

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Wikipedia