| Amphora crassa W. Greg., 1857 |
| Amphora crassa var. punctata Grunow, 1875 |
| Amphora cymbifera W. Greg., 1857 |
| Amphora cymbiformis Cleve, 1895 |
| Amphora decussata Grunow, 1867 |
| Amphora delphinea Bailey, 1861 |
| Amphora dubia W. Greg., 1857 |
| Amphora egregia Ehrenb., 1861 |
| Amphora elegantula Hust., 1955 |
| Amphora eunotia Cleve, 1873 |
| Amphora exigua W. Greg., 1857 |
| Amphora exsecta Grunow, 1875 |
| Amphora farcimen Grunow, 1875 |
| Amphora flexuosa Grev., 1863 |
| Amphora fluminensis Grunow, 1863 |
| Amphora formosa Cleve, 1875 |
| Amphora fusca A. Schmidt, 1875 |
| Amphora gibba A. Schmidt, 1876 |
| Amphora gigantea Grunow, 1875 |
| Amphora gigantea var. fusca (A. Schmidt) Cleve, 1895 |