Amphora affinis Kützing, 1844
Amphora affinis sensu W. Smith, 1853 (uncertain > unassessed )
Amphora angusta Gregory, 1857
Amphora angusta Jurilj, 1957 (uncertain > unassessed )
Amphora atacamae Frenguelli, 1928 accepted as Halamphora atacamae (Frenguelli) Levkov, 2009
Amphora atomus Kützing, 1844 (uncertain > unassessed )
Amphora coffeaeformis (C.Agardh) Kützing, 1844 accepted as Halamphora coffeiformis (C.Agardh) Levkov, 2009
Amphora coffeaeformis sensu H.L. Smith, 1874 (uncertain > unassessed )
Amphora coffeaeformis var. perpusilla (Grunow) Cleve, 1895 accepted as Amphora perpusilla Grunow, 1884 accepted as Amphora globulosa var. perpusilla Grunow, 1880
Amphora copulata (Kützing) Schoeman & R.E.M.Archibald, 1986 accepted as Frustulia copulata Kützing, 1833
Amphora delicatissima Krasske, 1930
Amphora globulosa J.Schumann
Amphora globulosa var. perpusilla Grunow, 1880 (uncertain > unassessed )
Amphora gracilis Ehrenberg ex Kützing, 1844
Amphora gracilis f. gracilis Ehrenberg, 1843 (uncertain > unassessed )
Amphora holsatica Hustedt, 1925 accepted as Halamphora holsatica (Hustedt) Levkov, 2009
Amphora holsatica Hustedt, 1930 sensu Krammer & Lange-Bertalot accepted as Amphora subholsatica Krammer, 1997
Amphora libyca Ehrenberg, 1840 (uncertain > unassessed )
Amphora libyca f. libyca Ehrenberg, 1840 (uncertain > unassessed )
Amphora lineolata Donkin, 1861 (uncertain > unassessed )
Amphora lineolata Ehrenberg, 1838 (uncertain > unassessed )
Amphora oligotraphenta Lange-Bertalot, 1996 (uncertain > unassessed )
Amphora ovalis (Kützing) Kützing, 1844
Amphora ovalis sensu A. Schmidt in Schmidt et al., 1875 (uncertain > unassessed )
Amphora ovalis f. typica Cleve, 1895 (uncertain > unassessed )
Amphora ovalis var. gracilis (Ehrenberg) van Heurck, 1885 accepted as Amphora gracilis f. gracilis Ehrenberg, 1843
Amphora ovalis var. libyca (Ehrenberg) Cleve, 1895 accepted as Amphora libyca f. libyca Ehrenberg, 1840
Amphora ovalis var. pediculus (Kützing) Van Heurck, 1885 accepted as Amphora pediculus (Kützing) Grunow ex A.Schmidt, 1875
Amphora ovalis var. typica (Cleve) F.Meister accepted as Amphora ovalis f. typica Cleve, 1895
Amphora pediculus (Kützing) Grunow ex A.Schmidt, 1875
Amphora pediculus var. exilis Grunow in Van Heurck, 1880 (uncertain > unassessed )
Amphora perpusilla Grunow, 1884 accepted as Amphora globulosa var. perpusilla Grunow, 1880
Amphora racovitzae van Heurck, 1909
Amphora stauroptera J.W.Bailey, 1854 (uncertain > unassessed )
Amphora subholsatica Krammer, 1997 (uncertain > unassessed )
Amphora veneta A. Schmidt in Schmidt et al., 1875 (uncertain > unassessed )
Amphora veneta Kützing, 1844 accepted as Halamphora veneta (Kützing) Levkov, 2009 accepted as Amphora veneta f. veneta Kützing, 1844
Amphora veneta f. veneta Kützing, 1844 (uncertain > unassessed )
Amphora veneta var. capitata Haworth, 1974 (uncertain > unassessed )