Family Leptohyphidae Edmunds and Traver 1954 (mayfly)
Insecta - Ephemeroptera - Leptohyphidae
Parent taxon: Ephemerelloidea according to T. H. Ogden et al. 2009
See also Jacobus and McCafferty 2006 and Solórzano Kraemer 2007
Sister taxa: Ephemerellidae, Philolimniidae, Teloganellidae, Vietnamellidae
Subtaxa: Leptohyphinae
Type: Leptohyphes
Ecology:
Distribution: found only at Mexican amber (IHNFG collection) (Miocene of Mexico)