Многообразие
Schistonota
Baetoidea
Siphlonuridae
Baetidae
Ameletidae
Acanthametropodidae
Siphlaenigmatidae
Nesameletidae
Oniscigastridae
Rallidentidae
Ameletopsidae
Ametropodidae
Heptagenioidea
Coloburiscidae
Oligoneuriidae
Isonychiidae
Heptageniidae
Pannota
Ephemerelloidea
Ephemerellidae
Teloganodidae
Melanemerellidae
Austremerellidae
Vietnamellidae
Machadorythidae
Tricorythidae
Leptohyphidae
Caenoidea
Baetiscidae
Caenidae
Neoephemeridae
Leptophlebioidea
Ephemeroidea
Behningiidae
Potamanthidae
Euthyplociidae
Polymitarcyidae
Ephemeridae
Palingeniidae