| Cavinula D.G. Mann & A.J. Stickle, 1990 |
| Cavinula cocconeiformis (W. Greg. ex Grev.) D.G. Mann & Stickle, 1990 |
| Cavinula lacustris (W. Greg.) D.G. Mann, 1990 |
| Cavinula lapidosa (Krasske) Lange-Bert., 1996 |
| Cavinula variostriata (Krasske) D.G. Mann, 1990 |
| Cistula Cleve, 1894 |
| Cistula lorenziana (Grunow) Cleve, 1894 |
| Climaconeis Grunow, 1862 |
| Climaconeis scopulorioides (Hust.) E.J. Cox, 1982 |
| Climaconeis stromatolitis John, 1991 |
| Cosmioneis D.G. Mann & Stickle, 1990 |
| Cosmioneis delawarensis (Grunow ex Cleve) D.G. Mann, 1990 |
| Cosmioneis pusilla (W. Sm.) D.G. Mann & Stickle, 1990 |
| Frustulia Rabenh., 1853 |
| Frustulia acuminata Kütz., 1833 |
| Frustulia adnata Kütz., 1833 |
| Frustulia amosseana Lange-Bert., 2000 |
| Frustulia asymmetrica (Cleve) Hustedt, 1954 |
| Frustulia coffeaeformis C. Agardh, 1827 |
| Frustulia copulata Kütz., 1833 |