| Pinnularia cardinaliculus Cleve, 1895 |
| Pinnularia cardinalis (Ehrenb.) W. Sm., 1853 |
| Pinnularia certa Krammer & Metzeltin, 1998 |
| Pinnularia chilensis Ehrenb., 1843 |
| Pinnularia cincta Ehrenb., 1854 |
| Pinnularia claviculus (W. Greg.) Rabenh., 1864 |
| Pinnularia cleveiformis Krammer, 1992 |
| Pinnularia decurrens Ehrenb., 1843 |
| Pinnularia denotata Metzeltin & Krammer, 1998 |
| Pinnularia distans W. Sm., 1853 |
| Pinnularia divergens W. Sm., 1853 |
| Pinnularia divergentissima (Grunow) Cleve, 1895 |
| Pinnularia doloma Hohn & Hellerman, 1963 |
| Pinnularia dornii Metzeltin, 1996 |
| Pinnularia elegans (W. Sm.) Krammer, 1992 |
| Pinnularia elginensis Gregory, 1856 |
| Pinnularia episcopalis Cleve, 1891 |
| Pinnularia erratica Krammer, 2000 |
| Pinnularia esoxiformis Fusey, 1951 |
| Pinnularia franconica (Krammer) Kulikovskiy, Lange-Bert. & Metzeltin, 2010 |