1. Genus Allobenedenia Yamaguti, 1963
2. Genus Alloencotyllabe Khalil & Abdul-Salam, 1988
3. Genus Allomegalocotyla Yamaguti, 1963
4. Genus Allometabenedeniella Velasquez, 1982
5. Genus Allosprostonia Lawler & Hargis, 1968 accepted as Allobenedenia Yamaguti, 1963 (synonym)
6. Genus Ancyrocotyle Parona & Monticelli, 1903
7. Genus Armatobenedenia Nitta, 2021
8. Genus Bajacalifornia Gómez del Prado-Rosas, 2023
9. Genus Benedenia Diesing, 1858
10. Genus Benedeniella Johnston, 1929
11. Genus Benedeniella Yamaguti, 1958 nec Johnston, 1929 accepted as Benedeniella Johnston, 1929 (homonym)
12. Genus Benedeniella incertae sedis (temporary name)
13. Genus Branchobdella Kearn, Whittington & Evans-Gowing, 2007
14. Genus Caballerocotyla Price, 1960 accepted as Capsala Bosc, 1811 (synonym)
15. Genus Calicobenedenia Kritsky & Fennessy, 1999
16. Genus Capsala Bosc, 1811
17. Genus Capsaloides Price, 1936
18. Genus Dioncopseudobenedenia Yamaguti, 1965
19. Genus Encotyllabe Diesing, 1850
20. Genus Entobdella Blainville in Lamarck, 1818
21. Genus Epibdella Blainville, 1828 accepted as Entobdella Blainville in Lamarck, 1818 (synonym)
22. Genus Gracilobenedenia Nitta, 2021
23. Genus Interniloculus Suriano & Beverley-Burton, 1979
24. Genus Lagenivaginopseudobenedenia Yamaguti, 1966
25. Genus Listrocephalos Bullard, Payne & Braswell, 2004
26. Genus Macrophylla Hughes, 1928 accepted as Macrophyllida Johnston, 1929 (Pre-occupied)
27. Genus Macrophyllida Johnston, 1929
28. Genus Mediavagina Lawler & Hargis, 1968
29. Genus Megalobedenia accepted as Megalobenedenia Egorova, 1994 (Lapsus)
30. Genus Megalobenedenia Egorova, 1994
31. Genus Megalobeobenedenia accepted as Megalobenedenia Egorova, 1994 (Lapsus)
32. Genus Megalocotyle Folda, 1928
33. Genus Megalocotylinae Bychowsky, 1957 accepted as Trochopodinae Price, 1936 (emend. Sposton, 1946) (unaccepted > junior subjective synonym)
34. Genus Megalocotyloides Bychowsky & Nagibina, 1967 accepted as Allobenedenia Yamaguti, 1963 (synonym)
35. Genus Menziesia Gibson, 1976
36. Genus Metabenedeniella Yamaguti, 1958
37. Genus Nasicola Yamaguti, 1968
38. Genus Neobenedenia Yamaguti, 1963
39. Genus Neobenedeniella Yamaguti, 1963 accepted as Benedenia Diesing, 1858 (Synonym)
40. Genus Neoencotyllabe Gupta & Krishna, 1975 (uncertain > nomen dubium)
41. Genus Neoentobdella Kearn & Whittington, 2005
42. Genus Nitzschia Baer, 1826
43. Genus Oligoncobenedenia Yamaguti, 1965
44. Genus Parabenedenia Gibson, 1976 accepted as Menziesia Gibson, 1976 (preoccupied)
45. Genus Phylline Oken, 1815 accepted as Benedenia Diesing, 1858 (pro parte synonym)
46. Genus Phyllonella Van Beneden & Hesse, 1863 accepted as Entobdella Blainville in Lamarck, 1818 (Synonym)
47. Genus Placunella Van Beneden & Hesse, 1863 accepted as Trochopus Diesing, 1850 (Synonym)
48. Genus Pseudoallobenedenia Yamaguti, 1966
49. Genus Pseudobenedenia Johnston, 1931
50. Genus Pseudobenedeniella Timofeeva, Gaevskaja & Kovaliova, 1987
51. Genus Pseudobenedenoides Szidat, 1969
52. Genus Pseudoentobdella Yamaguti, 1963
53. Genus Pseudomegalocotyla Yamaguti, 1963
54. Genus Pseudonitzschia Yamaguti, 1965
55. Genus Sessilorbis Mamaev, 1970
56. Genus Sprostonia Bychowsky, 1957
57. Genus Sprostoniella Bychowsky & Nagibina, 1967
58. Genus Tareenia Hussey, 1986
59. Genus Tetrasepta Suriano, 1975 accepted as Allobenedenia Yamaguti, 1963 (Synonym)
60. Genus Tricotyla Guiart, 1938 accepted as Capsala Bosc, 1811 (synonym)
61. Genus Trilobiodiscus Bychowsky & Nagibina, 1967
62. Genus Trimusculotrema Whittington & Barton, 1990
63. Genus Tristoma Cuvier, 1817
64. Genus Tristomella Guiart, 1938 accepted as Capsala Bosc, 1811 (Synonym )
65. Genus Tristomum Cuvier, 1817 accepted as Tristoma Cuvier, 1817 (Alternate representation)
66. Genus Trochopella Euzet & Trilles, 1962
67. Subfamily Trochopinae Price, 1936 accepted as Trochopodinae Price, 1936 (emend. Sposton, 1946) (unaccepted > misspelling - incorrect subsequent spelling)
68. Subfamily Trochopodinae Price, 1936 (emend. Sposton, 1946)
69. Genus Trochopus Diesing, 1850

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