Ephesiella abyssorum (Hansen, 1878)
Ephesiella minuta (Webster & Benedict, 1887) accepted as Sphaerodoropsis minuta (Webster & Benedict, 1887) accepted as Sphaerodoridium minutum (Webster & Benedict, 1887)
Ephesiella peripatus [Auctt. not Johnston, 1845] accepted as Ephesiella abyssorum (Hansen, 1878)
Sphaerodoridium claparedeii [auct. lapsus] accepted as Sphaerodoridium claparedii (Greeff, 1866)
Sphaerodoridium claparedii (Greeff, 1866)
Sphaerodoridium minutum (Webster & Benedict, 1887)
Sphaerodoropsis biserialis (Berkeley & Berkeley, 1944)
Sphaerodoropsis minuta (Webster & Benedict, 1887) accepted as Sphaerodoridium minutum (Webster & Benedict, 1887)
Sphaerodorum gracilis (Rathke, 1843)
Sphaerodorum minutum (Webster & Benedict, 1887) accepted as Sphaerodoropsis minuta (Webster & Benedict, 1887) accepted as Sphaerodoridium minutum (Webster & Benedict, 1887)