1. Genus Adoneis G.W. Andrews & P. Rivera, 1987
2. Genus Andrewsiella T.Jurkschat, 1997 †
3. Genus Asterionella A.H. Hassall, 1850
4. Genus Asterionellopsis F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990
5. Genus Asteroplanus C. Gardner & R.M. Crawford in R.M. Crawford & C. Gardner, 1997
6. Genus Bleakeleya F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990
7. Genus Brandinia L.F. Fernandes in Fernandes, Procopiak & Portinho, 2007
8. Genus Brassierea M.K.Hein & B.M.Winsborough, 1999
9. Genus Castoridens Ashworth, Chunlian Li & Witkowski, 2016
10. Genus Catacombas D.M. Williams & F.E. Round, 1986
11. Genus Centronella M. Voigt, 1902
12. Genus Cratericulifera Chunlian Li, Witkowski & Ashworth, 2016
13. Genus Ctenophora A. Grunow, 1862
14. Genus Ctenophora (Grunow) D.M.Williams & Round, 1986
15. Genus Desikaneis A.K.S.K. Prasad in A.K.S.K. Prasad & R.J. Livingston, 1993
16. Genus Diatoma J.B.M. Bory de Saint-Vincent, 1824
17. Genus Distrionella D.M. Williams, 1990
18. Genus Falcula M. Voigt, 1960
19. Genus Fossulaphycus Blanco, 2020
20. Genus Fragilaria H.C. Lyngbye, 1819
21. Genus Fragilariforma D.M. Williams & F.E. Round, 1988
22. Genus Frankophila H. Lange-Bertalot, 1997
23. Genus Gedaniella Chunlian Li, Witkowski & Ashworth, 2018
24. Genus Grammonema C.A. Agardh, 1832
25. Genus Hannaea R. Patrick in R. Patrick & C.W. Reimer, 1966
26. Genus Hendeyella Ashworth, Witkowski & Chunlian Li, 2016
27. Genus Hyaloneis M.C. Amspoker, 2008
28. Genus Hyalosynedra D.M. Williams & F.E. Round, 1986
29. Genus Koernerella C.S. Lobban & E.C. Theriot in Lobban et al., 2011
30. Genus Martyana F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990
31. Genus Meridion C.A. Agardh, 1824
32. Genus Neosynedra D.M. Williams & F.E. Round, 1986
33. Genus Opephora P. Petit, 1888
34. Genus Perideraion C.S. Lobban & R.W. Jordan in Lobban et al., 2011
35. Genus Plagiostriata S.Sato & L.K.Medlin, 2009
36. Genus Podocystis J.W. Bailey, 1854
37. Genus Popovskayella Kulikovskiy & Lange-Bertalot, 2015
38. Genus Porannulus P.B. Hamilton & M. Poulin in Hamilton, Poulin, Yang & Kloser, 1998
39. Genus Psammosynedra F.E. Round, 1993
40. Genus Psammotaenia Ashworth, Chunlian Li & Witkowski, 2016
41. Genus Pseudofalcula F. Gomez, Lu Wang & Senjie Lin, 2018
42. Genus Pseudostaurosira D.M. Williams & F.E. Round, 1988
43. Genus Pteroncola R.W. Holmes & D.A. Croll, 1984
44. Genus Punctastriata D.M. Williams & F.E. Round, 1988
45. Genus Reimerothrix A.K.S.K. Prasad in Prasad, A.K. S.K., Nienow, J.A. & Riddle, K.A., 2001
46. Genus Rimoneis M. Garcia, 2010
47. Genus Sarcophagodes E.A. Morales, 2002
48. Genus Serratifera Ashworth, Chunlian Li & Witkowski, 2016
49. Genus Stauroforma R.J. Flower, V.J. Jones & F.E. Round, 1996
50. Genus Staurosira C.G. Ehrenberg, 1843
51. Genus Staurosirella D.M. Williams & F.E. Round, 1987
52. Genus Synedra C.G. Ehrenberg, 1830
53. Genus Synedropsis G.R.Hasle, L.K.Medlin & E.E.Syvertsen, 1994
54. Genus Tabularia F.T. Kutzing, 1844
55. Genus Tabularia (F.T. Kutzing) D.M. Williams & F.E. Round, 1986
56. Genus Tabulariopsis D.M.Williams, 1988
57. Genus Thalassioneis F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990
58. Genus Tibetiella Y.L.Li, D.M.Williams & D.Metzeltin, 2010
59. Genus Trachysphenia P. Petit in Folin & Perrier, 1877
60. Genus Ulnaria F.T. Kutzing, 1844
61. Genus Ulnaria (Kützing) P. Compère, 2001
62. Genus Ceratoneis C.G. Ehrenberg, 1839 accepted as Cylindrotheca L. Rabenhorst, 1859 (synonym - nom. rejic.)
63. Genus Fossula G.R. Hasle, E.E. Syvertsen & C.H. von Quillfeldt, 1996 accepted as Fossulaphycus Blanco, 2020 (Invalid. Name violates Art. 20.2 of the ICN (Turland 2018).)
64. Genus Neofragilaria D.M. Williams & F.E. Round, 1988 accepted as Fragilariforma D.M. Williams & F.E. Round, 1988 (synonym)
65. Genus Pseudo-eunotia A. Grunow in H. Van Heurck, 1881
66. Genus Synedrella F.E. Round & N.I. Maidana, 2001 accepted as Pseudostaurosira D.M. Williams & F.E. Round, 1988 (homonym; nom. illeg.)

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