• Cymbella cuspidata var. lanceolata Mayer, 1940 (uncertain > unassessed)
• Cymbella heteropleura var. lanceolata A. Cleve, 1895 (uncertain > unassessed)
• Cymbella hybrida var. lanceolata Krammer, 1985 (uncertain > unassessed)
• Cymbella lanceolata (C.Agardh) C.Agardh, 1830 accepted as Frustulia lanceolata C.Agardh, 1827
• Cymbella lanceolata (C.Agardh) Kirchner, 1878 accepted as Brebissonia lanceolata (C.Agardh) Mahoney & Reimer, 1986 accepted as Gomphonema lanceolatum C.Agardh, 1831
• Cymbella lanceolata f. baicalensis Skvortzow & Meyer, 1928 (uncertain > unassessed)
• Cymbella lanceolata f. inflata Cleve-Euler, 1915 (uncertain > unassessed)
• Cymbella lanceolata f. inflata Pantocsek, 1902 (uncertain > unassessed)
• Cymbella lanceolata f. maxima A. Berg, 1945 (uncertain > unassessed)
• Cymbella lanceolata f. maxima Tynni, 1994 (uncertain > unassessed)
• Cymbella lanceolata f. minor Cleve-Euler, 1932 (uncertain > unassessed)
• Cymbella lanceolata f. minor Kufferath, 1914 (uncertain > unassessed)
• Cymbella lanceolata f. minor Petkoff, 1932 (uncertain > unassessed)
• Cymbella lanceolata f. minuta Musafarov, 1952 (uncertain > unassessed)
• Cymbella lanceolata f. ornata Mayer, 1947 (uncertain > unassessed)
• Cymbella lanceolata var. boeckii (Ehrenberg) Richter, 1914 accepted as Cocconema boeckii Ehrenberg, 1838
• Cymbella lanceolata var. bottnica Krammer, 2002 (uncertain > unassessed)
• Cymbella lanceolata var. cornuta (Ehrenberg) Grunow, 1882 † accepted as Cocconema cornutum Ehrenberg, 1843 †
• Cymbella lanceolata var. densestriata Pantocsek, 1903 (uncertain > unassessed)
• Cymbella lanceolata var. elongata (Skvortzow) Skvortzow, 1946 accepted as Cymbella aspera var. elongata Skvortzow, 1928
• Cymbella lanceolata var. fossilis Pantocsek, 1889 (uncertain > unassessed)
• Cymbella lanceolata var. genuina Cleve-Euler, 1955 (uncertain > unassessed)
• Cymbella lanceolata var. genuina Mayer, 1947 (uncertain > unassessed)
• Cymbella lanceolata var. gibbosa (Brun) Cleve-Euler, 1955 accepted as Cymbella cistula var. gibbosa Brun, 1895
• Cymbella lanceolata var. grandipunctata Moiseeva, 1971 (uncertain > unassessed)
• Cymbella lanceolata var. grossepunctata Skvortzov, 1976 (uncertain > unassessed)
• Cymbella lanceolata var. hongkongensis Skvortzov, 1975 (uncertain > unassessed)
• Cymbella lanceolata var. koreana Skvortzow, 1929 (uncertain > unassessed)
• Cymbella lanceolata var. longissima Pantocsek, 1902 (uncertain > unassessed)
• Cymbella lanceolata var. notata Wisl. & Poretzky (uncertain > unassessed)
• Cymbella lanceolata var. obtusa Skvortzov, 1975 (uncertain > unassessed)
• Cymbella lanceolata var. pantocseki Skvortzow, 1929 (uncertain > unassessed)
• Cymbella lanceolata var. robusta Pantocsek, 1892 (uncertain > unassessed)
• Cymbella lanceolata var. ventricosa Cleve-Euler, 1915 (uncertain > unassessed)
• Cymbella laubyi var. lanceolata Héribaud, 1903 (uncertain > unassessed)
• Cymbella perpusilla var. lanceolata Hirano, 1972 (uncertain > unassessed)
• Cymbella ventricosa var. lanceolata Skvortzow & Meyer, 1928 (uncertain > unassessed)