| Name | Amphora ovalis Kützing ex Kützing |
| Authorship | Kützing ex Kützing |
| Rank | Species |
| Placed in | Amphora Ehrenberg ex Kützing |
| Citation | 1844 Kieselschal. Bacill. 107, t. 5, figs 35, 39 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Amphora ovalis Kützing ex Kützing |
| Identification made in | [no date] (1) |