| Kobayasiella Lange-Bert., 1999 |
| Kobayasiella subtilissima (Cleve) Lange-Bert., 1999 |
| Membraneis Paddock, 1988 |
| Membraneis challengeri (Grunow) Paddock, 1988 |
| Meuniera P.C. Silva, 1996 |
| Meuniera membranacea (Cleve) P.C. Silva, 1996 |
| Navicula Bory, 1822 |
| Navicula abrupta (W. Greg.) Donk., 1870 |
| Navicula abunda Hust., 1955 |
| Navicula accomoda Hust., 1950 |
| Navicula acuminata (Sm.) Ralfs, 1861 |
| Navicula acuta (W. Sm.) O'Meara, 1875 |
| Navicula adhaerens Mereschk., 1901 |
| Navicula agnita Hust., 1955 |
| Navicula algida Grunow, 1884 |
| Navicula alpha Cleve, 1893 |
| Navicula ammophila Grunow, 1882 |
| Navicula ammophila var. intermedia Grunow, 1862 |
| Navicula amphibola Cleve, 1891 |
| Navicula anceps (Ehrenb.) Mann, 1907 |