''Ephemera'' is a genus of

mayfly Mayflies (also known as shadflies or fishflies in Canada and the upper Midwestern United States, as Canadian soldiers in the American Great Lakes region, and as up-winged flies in the United Kingdom) are aquatic insects belonging to the ord ...

in the family Ephemeridae. It contains the following species:

References

Catalogue of LifeFauna europaeaITIS
* * Mayflies Mayfly genera Taxa named by Carl Linnaeus {{mayfly-stub