| Eunotia pectinalis var. ventricosa (Ehrenb.) Grunow, 1881 |
| Eunotia praerupta Ehrenb., 1843 |
| Eunotia praerupta var. bidens Grunow, 1880 |
| Eunotia praerupta var. praerupta Ehrenb., 1843 |
| Eunotia pseudogroenlandica Lange-Bert. & Tagliaventi, 2011 |
| Eunotia quaternaria Ehrenb., 1843 |
| Eunotia rabenhorstiana (Grunow) Hust., 1949 |
| Eunotia rhomboidea Hust., 1950 |
| Eunotia robusta Ralfs, 1861 |
| Eunotia robusta var. serra (Ehrenb.) Meister, 1912 |
| Eunotia rostrata Ehrenb., 1850 |
| Eunotia serra Ehrenb., 1837 |
| Eunotia serra var. serra Ehrenb., 1837 |
| Eunotia siberica Cleve, 1880 |
| Eunotia siolii Hust., 1952 |
| Eunotia soleirolii (Kütz.) Rabenhorst, 1864 |
| Eunotia sphaerula Ehrenb., 1854 |
| Eunotia subarcuatoides Alles, Nörpel & Lange-Bert., 1991 |
| Eunotia sudetica O. Müll., 1898 |
| Eunotia tecta Krasske, 1939 |