| Species | as Species | Doubtful |
|---|---|---|
| Aulacoseira granulata (Ehrenberg) Simonsen, 1979 | ||
| Cymbella cymbiformis C.A. Agardh, 1830 | ||
| Cymbella inaequalis Grunow & Cleve, 1878 | ||
| Surirella ovalis Brébisson, 1838 | ||
| Ulnaria ulna (Nitzsch) P. Compère in Jahn et al., 2001 | ''Synedra ulna''; |