| Anorthoneis Grunow, 1868 |
| Anorthoneis eurystoma Cleve, 1895 |
| Anorthoneis excentrica (Donk.) Grunow, 1868 |
| Anorthoneis hummii Hust., 1955 |
| Cocconeidaceae Kütz., 1844 |
| Cocconeiopsis Witkowski, Lange-Bert. & Metzeltin, 2000 |
| Cocconeiopsis fraudulenta (A.W.F. Schmidt) Witkowski, 2000 |
| Cocconeiopsis orthoneoides (Hust.) Witkowski, 2000 |
| Cocconeiopsis patrickae (Hust.) Witkowski, 2000 |
| Cocconeis Ehrenb., 1836 |
| Cocconeis apiculata A. Schmidt, 1895 |
| Cocconeis britannica Nägeli ex Kütz., 1849 |
| Cocconeis californica Grunow, 1880 |
| Cocconeis campechiana Cleve, 1894 |
| Cocconeis convexa Giffen, 1967 |
| Cocconeis costata W. Greg., 1855 |
| Cocconeis decipiens Cleve, 1873 |
| Cocconeis deperdita Giffen, 1975 |
| Cocconeis diminuta Pant., 1902 |
| Cocconeis dirupta W. Greg., 1857 |