Anomoeoneis exilis (Kützing) Cleve, 1895 accepted as Navicula exilis Kützing, 1844
Anomoeoneis vitrea (Grunow) R.Ross, 1966 accepted as Gomphonema vitreum Grunow, 1878
Cymbella cymbiformis (Ehrenberg) Grunow in Van Heurck, 1880 accepted as Cocconema cymbiforme (Kützing) Ehrenberg, 1838 accepted as Frustulia cymbiformis Kützing, 1833
Cymbella cymbiformis C.Agardh, 1830 (uncertain > unassessed )
Cymbella falaisensis (Grunow) Krammer & Lange-Bertalot, 1985 accepted as Navicula falaisensis f. falaisensis Grunow in Van Heurck, 1880 accepted as Encyonopsis falaisensis (Grunow) Krammer, 1997
Cymbella gracilis (Rabenhorst) Cleve, 1894 accepted as Encyonema gracile Rabenhorst, 1853
Cymbella hantzschiana Krammer, 2002 (uncertain > unassessed )
Cymbella helvetica Kützing, 1844 (uncertain > unassessed )
Cymbella kerguelenensis Germain, 1937 accepted as Encyonopsis kerguelensis (Germain) Krammer, 2003
Cymbella lunata W.Smith, 1855 (uncertain > unassessed )
Cymbella microcephala Grunow in Van Heurck, 1885 accepted as Encyonopsis microcephala (Grunow) Krammer, 1997
Cymbella oahuensis Hustedt, 1942 (uncertain > unassessed )
Cymbella prostrata (Berkeley) Cleve, 1894 accepted as Monema prostratum Berkeley, 1832
Cymbella pusilla Grunow, 1875 (uncertain > unassessed )
Cymbella tumida (A. Schmidt) Skabichevskii, 1963 (uncertain > unassessed )
Cymbella tumida (Brébisson) van Heurck, 1880 accepted as Cocconema tumidum f. tumidum Brébisson ex Kützing, 1849
Cymbella turgida W.Gregory, 1856 (uncertain > unassessed )
Cymbella turgidula Grunow, 1875 † (uncertain > unassessed )
Cymbella ventricosa (C.Agardh) C.Agardh, 1830 accepted as Frustulia ventricosa C.Agardh, 1827
Cymbella ventricosa Kützing, 1844 (uncertain > unassessed )
Cymbella ventricosa var. girodi (Héribaud-Joseph) H.Kobayasi, 1965 accepted as Encyonema girodi Héribaud, 1902
Encyonema elginense (Krammer) D.G.Mann, 1990 (uncertain > unassessed )
Encyonema girodi Héribaud, 1902 (uncertain > unassessed )
Encyonema gracile Kirchner, 1879 (uncertain > unassessed )
Encyonema gracile Rabenhorst, 1853 (uncertain > unassessed )
Encyonema lunatum (W.Smith) Van Heurck, 1896 accepted as Cymbella lunata W.Smith, 1855
Encyonema prostratum (Berkeley) Kützing, 1844 accepted as Monema prostratum Berkeley, 1832
Encyonopsis falaisensis (Grunow) Krammer, 1997
Encyonopsis kerguelenensis (Germain) Krammer, 1997 accepted as Encyonopsis kerguelensis (Germain) Krammer, 2003
Encyonopsis kerguelensis (Germain) Krammer, 2003
Encyonopsis microcephala (Grunow) Krammer, 1997
Gomphoneis exigua (Kützing) Medlin
Gomphoneis olivacea (Lyngbye) P.A.Dawson, 1974 accepted as Gomphonema olivaceum (Lyngbye) Desmazières, 1825
Gomphonema acuminatum Ehrenberg, 1832
Gomphonema acuminatum sensu Grunow in Van Heurck, 1880 (uncertain > unassessed )
Gomphonema acuminatum var. coronatum (Ehrenberg) Ehrenberg, 1864 accepted as Gomphonema coronatum Ehrenberg, 1840
Gomphonema affine Kützing, 1844
Gomphonema affine var. kerguelenense (Manguin) Germain & Le Cohu, 1981 (uncertain > unassessed )
Gomphonema angustatum (Kützing) Rabenhorst, 1864 (uncertain > unassessed )
Gomphonema angustatum sensu Brebisson (uncertain > unassessed )
Gomphonema coronatum Ehrenberg, 1840 (uncertain > unassessed )
Gomphonema exiguum (Ostrup) Fricke, 1902 (uncertain > unassessed )
Gomphonema exiguum Kützing, 1844 accepted as Gomphoneis exigua (Kützing) Medlin
Gomphonema gracile Ehrenberg, 1838 (uncertain > unassessed )
Gomphonema intricatum Kützing, 1844
Gomphonema kamtschaticum Grunow, 1878 accepted as Pseudogomphonema kamtschaticum (Grunow) L.K.Medlin, 1986 accepted as Gomphonema kamtschaticum var. kamtschaticum Grunow, 1878
Gomphonema kamtschaticum var. kamtschaticum Grunow, 1878 (uncertain > unassessed )
Gomphonema kerguelenensis E.E.Manguin, 1954
Gomphonema olivaceum (Hornemann) Brébisson, 1838 (uncertain > unassessed )
Gomphonema olivaceum (Hornemann) Ehrenberg, 1838 (uncertain > unassessed )
Gomphonema olivaceum (Lyngbye) Desmazières, 1825
Gomphonema olivaceum var. tenellum (Kützing) Cleve, 1894 accepted as Gomphonema tenellum var. tenellum Kützing, 1844
Gomphonema parvulum (Kützing) Kützing, 1849
Gomphonema parvulum var. subelliptica Cleve, 1894 (uncertain > unassessed )
Gomphonema productum (Grunow) Lange-Bertalot & Reichardt, 1993 (uncertain > unassessed )
Gomphonema signyensis Kociolek & Jones, 1995 (uncertain > unassessed )
Gomphonema tenellum sensu Grunow in Van Heurck, 1880 (uncertain > unassessed )
Gomphonema tenellum var. tenellum Kützing, 1844 (uncertain > unassessed )
Gomphonema vitreum Grunow, 1878 (uncertain > unassessed )
Gomphonemopsis exigua (Kützing) Medlin in Medlin & Round, 1986 (uncertain > unassessed )
Gomphosphenia oahuensis (Hustedt) Lange-Bertalot
Navicymbula pusilla (Grunow) K.Krammer, 2003
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot, 1980
Staurophora salina (W.Smith) Mereschkowsky, 1903