1. Genus Austrobdella Badham, 1916
2. Genus Bathybdella Burreson, 1981
3. Genus Beringobdella Caballero, 1974
4. Genus Cochimibdella Ruiz-Escobar, Colunga-Ramírez, Oceguera-Figueroa & Castellanos-Martínez, 2025
5. Genus Crangonobdella Selensky, 1914
6. Genus Cryobdella Harding, 1922
7. Genus Glyptonotobdella Sawyer & White, 1969
8. Genus Hemibdella van Beneden & Hesse, 1863. Revised
9. Genus Heptacyclus Vasileyev, 1939
10. Genus Lizabdella A. Utevsky, 2007
11. Genus Makarabdella Richardson, 1959
12. Genus Marsipobdella Moore, 1952
13. Genus Mysidobdella Selensky, 1927
14. Genus Myzobdella Leidy, 1851
15. Genus Notobdella Benham, 1909
16. Genus Notostomum Levinsen, 1882
17. Genus Oceanobdella Caballero, 1956
18. Genus Ostreobdella Oka, 1927
19. Genus Platybdella Malm, 1863
20. Genus Pterobdella Kaburaki, 1921
21. Genus Trulliobdella Brinkmann, 1947
22. Genus Ichthyobdella Blainville, 1827 (uncertain > taxon inquirendum, probably a synonym, but awaiting more information)
23. Genus Abranchus Johansson, 1896 accepted as Oceanobdella Caballero, 1956 (unaccepted > junior homonym, Junior to Abranchus both in Boïé 1824 and Harlan 1825)
24. Genus Aestabdella Burreson, 1976 accepted as Pterobdella Kaburaki, 1921 (unaccepted > junior subjective synonym)
25. Genus Arctobdella de Silva & Kabata, 1961 accepted as Hemibdella van Beneden & Hesse, 1863. Revised (unaccepted > junior subjective synonym, subjective synonym)
26. Genus Carcinobdella Oka, 1910 accepted as Notostomum Levinsen, 1882 (synonym)
27. Genus Illinobdella Meyer, 1940 accepted as Myzobdella Leidy, 1851 (unaccepted > junior subjective synonym, subjective synonym)
28. Genus Levinsenia Vasiliev, 1939 accepted as Beringobdella Caballero, 1974 (preoccupied; junior homonym of Levinsenia Mesnil, 1897 (Polychaeta))
29. Genus Malmiana Strand, 1942 accepted as Heptacyclus Vasileyev, 1939 (synonym)
30. Genus Notostomobdella Moore & Meyer, 1951 accepted as Notostomum Levinsen, 1882 (synonym)
31. Genus Ottonia Malm, 1874 accepted as Malmiana Strand, 1942 accepted as Heptacyclus Vasileyev, 1939 (preoccupied)
32. Genus Platybdella Harding, 1922 accepted as Cryobdella Harding, 1922 (synonym)
33. Genus Sanguinothus de Silva & Burdon-Jones, 1961 accepted as Crangonobdella Selensky, 1914 (subjective synonym)

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