Subfamily Leptohyphinae Edmund and Traver 1954 (mayfly)
Insecta - Ephemeroptera - Leptohyphidae
Parent taxon: Leptohyphidae according to L. M. Jacobus and W. P. McCafferty 2006
Sister taxa: none
Subtaxa: Leptohyphes
Type: Leptohyphes
Ecology:
Distribution: found only at Mexican amber (IHNFG collection) (Miocene of Mexico)