Ephemeridae

Ephemeridae
Ephemera danica
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Ephemeroptera
Suborder: Schistonota
Superfamily: Ephemeroidea
Family: Ephemeridae
Latreille, 1810

Ephemeridae is a family of mayflies with about 150 described species found throughout the world except Australia and Oceania.