| Campylosira Grunow ex Van Heurck, 1885 |
| Campylosira alexandrica Salah, 1955 |
| Campylosira cymbelliformis (A. Schmidt) Grunow ex Van Heurck, 1881 |
| Cymatosira Grunow, 1862 |
| Cymatosira belgica Grunow, 1881 |
| Cymatosira lorenziana Grunow, 1862 |
| Cymatosiraceae Hasle, Stosch & Syvertsen, 1983 |
| Extubocellulus Hasle, Stosch & Syvertsen, 1983 |
| Extubocellulus spinifer Hasle, Stosch & Syvertsen, 1983 |
| Plagiogrammopsis Hasle, Stosch & Syvertsen, 1983 |
| Plagiogrammopsis vanheurckii (Grunow) Hasle, Stosch & Syvertsen, 1983 |