| Cymbella ventricosa C. Agardh, 1830 |
| Cymbella yarremii (A. Schmidt) Cleve, 1894 |
| Cymbellaceae Kütz., 1844 |
| Cymbopleura (Krammer) Krammer, 1999 |
| Cymbopleura amphicephala (Nägeli) Krammer, 2003 |
| Cymbopleura angustata (W. Smith) Krammer, 2003 |
| Cymbopleura inaequalis (Ehrenb.) Krammer, 2003 |
| Cymbopleura naviculiformis (Auersw. ex Heib.) Krammer, 2003 |
| Delicata K. Krammer, 2003 |
| Delicata delicatula (Kütz.) K. Krammer, 2003 |
| Didymosphenia Schmidt, 1899 |
| Didymosphenia geminata (Lyngb.) Schmidt, 1899 |
| Encyonema Kütz., 1834 |
| Encyonema auerswaldii Rabenh., 1853 |
| Encyonema brehmi (Hust.) D.G. Mann, 1990 |
| Encyonema caespitosum Kütz., 1849 |
| Encyonema elginense (Krammer) D.G. Mann, 1990 |
| Encyonema leibleinii (C. Agardh) Silva, Jahn, Ludwig & Menezes, 2013 |
| Encyonema lunatum (W. Sm.) Van Heurck, 1880 |
| Encyonema mesianum (Cholnoky) D.G. Mann, 1990 |