- Amphora coffeaeformis (C.Agardh) Kützing, 1844 accepted as Halamphora coffeiformis (C.Agardh) Levkov, 2009
- Amphora costata W.Smith, 1853 accepted as Halamphora costata (W.Smith) Levkov, 2009
- Amphora costata var. costata W. Smith, 1853 (uncertain > unassessed)
- Amphora laevis Gregory, 1857
- Amphora laevis var. laevissima (Greg.) Cleve, 1896
- Amphora ovalis (Kützing) Kützing, 1844
- Amphora robusta Gregory, 1857
- Thalassiophysa hyalina (Greville) Paddock & P.A.Sims, 1981 accepted as Amphiprora hyalina Greville, 1865