| Oestrupia Heiden ex Hust., 1935 |
| Oestrupia musca (W. Greg.) Hust., 1935 |
| Oestrupia powellii (Lewis) Heiden, 1906 |
| Pinnularia Ehrenb., 1843 |
| Pinnularia acuminata W. Sm., 1853 |
| Pinnularia acuta W. Sm., 1853 |
| Pinnularia ambigua Cleve, 1895 |
| Pinnularia bacillum (Ehrenb.) Ehrenb., 1876 |
| Pinnularia biceps Greg., 1856 |
| Pinnularia borealis Ehrenb., 1843 |
| Pinnularia cincta Ehrenb., 1854 |
| Pinnularia claviculus (W. Greg.) Rabenh., 1864 |
| Pinnularia distans W. Sm., 1853 |
| Pinnularia elegans (W. Sm.) Krammer, 1992 |
| Pinnularia elginensis Gregory, 1856 |
| Pinnularia gastrum Ehrenb., 1843 |
| Pinnularia gibba Ehrenb., 1843 |
| Pinnularia globiceps W. Greg., 1856 |
| Pinnularia hemiptera (Kütz.) Cleve, 1895 |
| Pinnularia intermedia (Lagerst.) Cleve, 1895 |