| Siphlonurus | |
|---|---|
 | |
| Siphlonurus occidentalis | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Pancrustacea |
| Class: | Insecta |
| Order: | Ephemeroptera |
| Family: | Siphlonuridae |
| Genus: | Siphlonurus Eaton, 1868 |
Siphlonurus is a genus of primitive minnow mayflies in the family Siphlonuridae. There are more than 40 described species in Siphlonurus.
