• Achnanthes bahusiensis (Grunow) Lange-Bert., 1989 accepted as Astartiella bahusiensis (Grunow) Witkowski, Lange-Bertalot & Metzeltin, 1998 accepted as Navicula minuscula var. bahusiensis Grunow, 1880
• Achnanthes brevipes C.Agardh, 1824
• Achnanthes brevipes var. intermedia (Kützing) Cleve, 1895 accepted as Achnanthes intermedia Kützing, 1833
• Achnanthes delicatula (Kützing) Grunow in Cleve & Grunow, 1880 accepted as Planothidium delicatulum (Kützing) Round & Bukhtiyarova, 1996 accepted as Achnanthidium delicatulum f. delicatulum Kützing, 1844
• Achnanthes delicatula subsp. hauckiana (Grunow) Lange-Bertalot & Ruppel, 1980 accepted as Planothidium hauckianum (Grunow) Round & Bukhtiyarova, 1996
• Achnanthes hauckiana Grunow, 1880 (uncertain > unassessed)
• Achnanthes hauckiana var. hauckiana Grunow in Cleve & Grunow, 1880 (uncertain > unassessed)
• Achnanthes hauckiana var. rostrata Schulz, 1926 (uncertain > unassessed)
• Achnanthes intermedia Kützing, 1833 (uncertain > unassessed)
• Achnanthes longipes C.Agardh, 1824
• Achnanthes obliqua (Gregory) Hustedt, 1924 accepted as Gololobovia obliqua (W.Gregory) Kulikovskiy, Glushchenko & Kociolek in Kulikovskiy et al., 2020
• Achnanthes subsessilis Kützing, 1833 accepted as Achnanthes brevipes var. intermedia (Kützing) Cleve, 1895 accepted as Achnanthes intermedia Kützing, 1833
• Achnanthes taeniata Grunow, 1880 accepted as Pauliella taeniata (Grunow) F.E.Round & P.W.Basson, 1997
• Achnanthidium delicatulum sensu Schumann, 1867 (uncertain > unassessed)
• Achnanthidium delicatulum f. delicatulum Kützing, 1844 (uncertain > unassessed)
• Cocconeis distans W.Gregory, 1855 (uncertain > unassessed)
• Cocconeis euglypta Ehrenberg, 1854 (uncertain > unassessed)
• Cocconeis lineata Ehrenberg, 1843 (uncertain > unassessed)
• Cocconeis pediculus Ehrenberg, 1838
• Cocconeis placentula Ehrenberg, 1838
• Cocconeis placentula var. euglypta (Ehrenberg) Grunow, 1884 accepted as Cocconeis euglypta Ehrenberg, 1854
• Cocconeis placentula var. lineata (Ehrenberg) van Heurck, 1885 accepted as Cocconeis lineata Ehrenberg, 1843
• Cocconeis placentula var. placentula Ehrenberg, 1838
• Cocconeis scutellum Ehrenberg, 1838
• Cocconeis sublittoralis Hendey, 1951 (uncertain > unassessed)
• Gololobovia obliqua (W.Gregory) Kulikovskiy, Glushchenko & Kociolek in Kulikovskiy et al., 2020
• Planothidium delicatulum (Kützing) Round & Bukhtiyarova, 1996 accepted as Achnanthidium delicatulum f. delicatulum Kützing, 1844
• Planothidium hauckianum (Grunow) Round & Bukhtiyarova, 1996
• Planothidium hauckianum var. rostratum (Schulz ex Hustedt) N.A.Andresen, E.F.Stoermer & R.G.Kreis, Jr., 2000 (uncertain > unassessed)
• Psammothidium obliquum (W. Gregory, 1856) Potapova, 2018 accepted as Gololobovia obliqua (W.Gregory) Kulikovskiy, Glushchenko & Kociolek in Kulikovskiy et al., 2020