| Diploneis muticum (Yendo) Fensholt, 1955 |
| Diploneis nitescens (W. Greg.) Cleve, 1894 |
| Diploneis notabilis (Grev.) Cleve, 1894 |
| Diploneis obliqua (Brun) Hust., 1937 |
| Diploneis oblongella (Nägeli ex Kütz.) Cleve-Euler, 1922 |
| Diploneis oculata (Bréb.) Cleve, 1894 |
| Diploneis ostracodarum (Pantocsek) A.Jurilj, 1954 |
| Diploneis ovalis (Hilse) Cleve, 1894 |
| Diploneis papula (A. Schmidt) Cleve, 1894 |
| Diploneis papula var. constricta Hust., 1937 |
| Diploneis parma Cleve, 1891 |
| Diploneis petersenii Hust., 1937 |
| Diploneis pseudobombiformis Hust. |
| Diploneis pseudovalis Hust., 1930 |
| Diploneis puella (Schum.) Cleve, 1894 |
| Diploneis puella var. puella (Schum.) Cleve, 1894 |
| Diploneis sejuncta Jørg., 1905 |
| Diploneis separanda Lange-Bert., 2004 |
| Diploneis smithii (Bréb.) Cleve, 1894 |
| Diploneis smithii var. erecta (Bréb.) Cleve |