| Amphora Ehrenb. ex Kütz., 1844 |
| Amphora acuta W. Greg., 1857 |
| Amphora acutiuscula Kütz., 1844 |
| Amphora affinis Kütz., 1844 |
| Amphora alata H. Perag., 1888 |
| Amphora amoena Hust., 1955 |
| Amphora angularis W. Greg., 1855 |
| Amphora angulosa H. Perag. & M. Perag., 1899 |
| Amphora angusta W. Greg., 1857 |
| Amphora angusta var. angusta W. Greg., 1857 |
| Amphora angusta var. eulensteinii (Grunow) Cleve, 1895 |
| Amphora angusta var. ventricosa (W. Greg.) Cleve, 1895 |
| Amphora arcuata A. Schmidt, 1875 |
| Amphora arenaria Donk., 1858 |
| Amphora arenicola Grunow, 1895 |
| Amphora areolata Grunow, 1876 |
| Amphora aspera Petit, 1877 |
| Amphora beaufortiana Hust., 1955 |
| Amphora bigibba Grunow, 1875 |
| Amphora bigibba var. capitata Hagelst., 1939 |