Baetidae

Callibaetis fluctuans. 1993. Margaret Cr. at TR 31 off US 50, VI-29-1993, Ohio Biol. Survey;

Baetiscidae

Baetisca obesa. 1976. Strouds Run, Napier & Hummon (1976)

Caenidae

Caenis amica. 1998. Margaret Cr., Ohio Biol. Survey.
Caenis latipennis. 1998. Big Bailey Run, Hocking R., Margaret Cr., North Br. Margaret Cr., W. Branch Margaret Cr., Ohio Biol. Survey,

Ephemerelladae

Eurylophella funeralis. 1963. Athens Co., Allen and Edmunds (1963a) as Ephemerella funeralis.
Ephemerella dorothea. 1965. Athens Co.; Allen and Edmunds (1965).

Ephemeridae

Ephemera varia. 1998. (Big Bailey Run, Coates Run, Hocking R., Ohio Biol. Survey,

Heptageniidae

Maccaffertium terminatum. 1985. Hocking R., Hall (1985).
Stenacron carolina. 1976. Sugar Cr., Napier & Hummon (1976).
Stenacron interpunctatum. 1976. Margaret Cr., Sugar Cr., Strouds Run, Napier & Hummon (1976).

Leptophlebidae

Paraleptophlebia moerens. 1976. Strouds Run, Napier and Hummon (1976).
Leptophlebia johnsoni. 1976. Sugar Cr., Napier and Hummon (1976).