| Genus | Species | Subspecies | Author | Common Name | Last Sampled | Last Collectors | Where for All Dates? |
|---|---|---|---|---|---|---|---|
| Attenella | attenuata | - | (McDunnough 1925) | Ephemerellid mayfly | 1996-07-11 | I & M Aquatics Crew | Here |
| Attenella | species ** | - | (NA) | 1991-10-27 | DAEtnier | Here | |
| Dannella | provonshai | - | (McCafferty 1977) | Ephemerellid mayfly | 2007-05-18 | REDeWalt & LMJacobus | Here |
| Dannella | simplex | - | (McDunnough, 1925) | (NA) | 1994-06-17 | DAEtnier | Here |
| Dentatella | coxalis | - | (McDunnough 1926) | (NA) | 1991-09-20 | DAEtnier | Here |
| Drunella | allegheniensis | - | (Traver 1934) | Ephemerellid mayfly | 2009-08-10 | BNichols, CKozmik & CBerg | Here |
| Drunella | conestee | - | (Traver 1932) | Ephemerellid mayfly | 2003-10-07 | I & M Aquatics Crew | Here |
| Drunella | cornuta | - | (Morgan 1911) | Ephemerellid mayfly | 2005-07-14 | JVaughn, PMcNichols & PRomeo | Here |
| Drunella | cornutella | - | (McDunnough 1931) | Ephemerellid mayfly | 2005-08-12 | AC., LKlausmann & NSurrett | Here |
| Drunella | lata | - | (Morgan, 1911) | Ephemerellid mayfly | 2003-07-31 | I & M Aquatics Crew | Here |
| Drunella | longicornis | - | (Traver 1932) | Ephemerellid mayfly | 2001-07-01 | I & M Aquatics Crew | Here |
| Drunella | species ** | - | (NA) | 2001-07-01 | I & M Aquatics Crew | Here | |
| Drunella | tuberculata | - | (Morgan 1911) | Ephemerellid mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Drunella | walkeri | - | (Eaton 1884) | Ephemerellid mayfly | 2007-05-17 | REDeWalt | Here |
| Drunella | wayah | - | (Traver 1932) | Ephemerellid mayfly | 1995-06-15 | SJFraley & DAEtnier | Here |
| Ephemerella | alleni | - | Jensen & Edmunds, 1966 | (NA) | 2003-06-18 | JVaughn, GAngelella & SArbel | Here |
| Ephemerella | catawba | - | Traver 1932 | Ephemerellid mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Ephemerella | dorothea | dorothea | Needham 1908 | Ephemerellid mayfly | 2007-05-16 | CRParker | Here |
| Ephemerella | dorothea | - | Ephemerellid mayfly | 1994-06-14 | DAEtnier | Here | |
| Ephemerella | excrucians | - | Walsh 1862 | Ephemerellid mayfly | 2011-06-12 | DAEtnier | Here |
| Ephemerella | hispida | - | Allen & Edmunds 1965 | Ephemerellid mayfly | 2005-06-30 | JVaughn, PMcNichols & PRomeo | Here |
| Ephemerella | invaria | - | (Walker 1853) | Ephemerellid mayfly | 2007-05-18 | LMJacobus | Here |
| Ephemerella | invaria group | - | Ephemerellid mayfly | 1999-08-22 | I & M Aquatics Crew | Here | |
| Ephemerella | rossi | - | Allen & Edmunds 1965 | Ephemerellid mayfly | 2003-07-15 | I & M Aquatics Crew | Here |
| Ephemerella | septentrionalis | - | McDunnough 1925 | Ephemerellid mayfly | 1993-12-15 | SJFraley & DAEtnier | Here |
| Ephemerella | species ** | - | (NA) | 2007-05-17 | ICStocks & EPT blitz 2 | Here | |
| Ephemerella | species A | - | (NA) | 2007-05-16 | ICStocks & EPT blitz 1 | Here | |
| Ephemerella | subvaria | - | McDunnough 1931 | Ephemerellid mayfly | 2001-12-06 | LMJacobus & JFMacDonald | Here |
| Ephemerellidae_genus * | species ** | - | (NA) | 2003-06-25 | I & M Aquatics Crew | Here | |
| Eurylophella | aestiva | - | (McDunnough 1931) | Ephemerellid mayfly | 2011-06-30 | BNichols, LCollins & AVan Gunst | Here |
| Eurylophella | bicolor | - | (Clemens 1913) | Ephemerellid mayfly | 2007-05-17 | REDeWalt | Here |
| Eurylophella | doris | - | (Traver 1934) | Ephemerellid mayfly | 1994-06-14 | DAEtnier | Here |
| Eurylophella | doris/funeralis | - | (NA) | 1991-09-20 | DAEtnier | Here | |
| Eurylophella | funeralis | - | (McDunnough 1925) | Ephemerellid mayfly | 2003-06-25 | I & M Aquatics Crew | Here |
| Eurylophella | minimella | - | (McDunnough, 1931) | (NA) | 1994-06-15 | DAEtnier | Here |
| Eurylophella | species ** | - | (NA) | 2005-06-30 | JVaughn, PMcNichols & PRomeo | Here | |
| Eurylophella | verisimilis | - | (McDunnough, 1930) | Ephemerellid mayfly | 2007-05-18 | REDeWalt & LMJacobus | Here |
| Serratella | carolina | - | (Berner & Allen 1961) | Ephemerellid mayfly | 2003-08-06 | I & M Aquatics Crew | Here |
| Serratella | deficiens | - | (Morgan 1911) | Ephemerellid mayfly | 2011-07-01 | BNichols & LKobelt | Here |
| Serratella | molita | - | (McDunnough 1930) | Ephemerellid mayfly | 2011-06-28 | BNichols, LKobelt & AByrum | Here |
| Serratella | serrata | - | (Morgan 1911) | Ephemerellid mayfly | 2011-07-01 | BNichols, LKobelt & MJPetersen | Here |
| Serratella | serratoides | - | (McDunnough 1931) | Ephemerellid mayfly | 2002-08-14 | I & M Aquatics Crew | Here |
| Serratella | species ** | - | (NA) | 2001-12-06 | LMJacobus & JFMacDonald | Here | |
| Serratella | spiculosa | - | (Berner & Allen 1961) | Ephemerellid mayfly | 2002-08-07 | I & M Aquatics Crew | Here |
| Timpanoga | lita | - | (Burks 1949) | Ephemerellid mayfly | 1995-06-15 | SJFraley & DAEtnier | Here |
| Timpanoga | simplex | - | (McDunnough 1925) | Ephemerellid mayfly | 2001-07-01 | I & M Aquatics Crew | Here |
| Timpanoga | species ** | - | (NA) | 2003-07-12 | I & M Aquatics Crew | Here | |
| Total Number of Species = 39 | |||||||