Rhithrogena

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Subclassis: Pterygota
Division: Palaeoptera
Ordo: Ephemeroptera
Subordo: Pisciformia
Superfamilia: Heptagenioidea
Familia: Heptageniidae
Genus: Rhithrogena

References

* Braasch, D.; Boonsoong, B. 2009: A new Notacanthurus Tshernova, 1974 and a new Rhithrogena Eaton, 1881 (subgenus Tumungula Zhou & Peters, 2004) from Thailand (Heptageniidae, Ephemeroptera). Zootaxa, 2166: 33-44. Abstract & excerpt