''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 Ephemeridae is a family of mayflies with about 150 described species found throughout the world except Australia and Oceania. These are generally quite large mayflies (up to 35 mm) with either two or three very long tails. Many species have ...

. It contains the following species:

References

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