| Cylindrotheca gracilis (Bréb.) Grunow, 1882 |
| Cylindrotheca gracilis var. mayor Grunow, 1882 |
| Cymatonitzschia Simonsen, 1974 |
| Cymatonitzschia marina (Lewis) Simonsen, 1974 |
| Cymbellonitzschia Hust., 1924 |
| Cymbellonitzschia diluviana Hust., 1950 |
| Denticula Kütz., 1844 |
| Denticula elegans Kütz., 1844 |
| Denticula eximia Krammer & Lange-Bert., 1987 |
| Denticula kuetzingii Grunow, 1860 |
| Denticula kuetzingii var. rumrichiae Krammer, 1987 |
| Denticula minor W. Greg., 1857 |
| Denticula nana W. Greg. |
| Denticula sinuata Thwaites, 1856 |
| Denticula subtilis Grunow, 1862 |
| Denticula tenuis Kütz., 1844 |
| Denticula tenuis var. genuina Grunow, 1881 |
| Denticula thermalis Kütz., 1844 |
| Denticula valida (Pedicino) Grunow, 1881 |
| Denticulopsis Simonsen, 1979 |