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

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