Heptageniidae
| Heptageniidae Temporal range: | |
|---|---|
| Rhithrogena germanica | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Ephemeroptera |
| Suborder: | Pisciforma |
| Superfamily: | Heptagenioidea |
| Family: | Heptageniidae Needham, 1901 |
| Synonyms | |
|
Heptaeniidae | |
The Heptageniidae (synonym: Ecdyonuridae) are a family of mayflies with over 500 described species mainly distributed in the Holarctic, Oriental, and Afrotropical regions, and also present in the Central American Tropics and extreme northern South America.