1. Genus Elliptio Rafinesque, 1819
2. Genus Elliptoideus Frierson, 1927
3. Genus Eurynia Rafinesque, 1819
4. Genus Fusconaia C. T. Simpson, 1900
5. Genus Hemistena Rafinesque, 1820
6. Genus Parvaspina Perkins, N. A. Johnson & Gangloff, 2017
7. Genus Plethobasus C. T. Simpson, 1900
8. Genus Pleurobema Rafinesque, 1819
9. Genus Pleuronaia Frierson, 1927
10. Genus Aximedia Rafinesque, 1820 accepted as Pleurobema Rafinesque, 1819
11. Genus Canthyria Swainson, 1840 accepted as Elliptio Rafinesque, 1819
12. Genus Elliptoidens Frierson, 1927 accepted as Elliptoideus Frierson, 1927
13. Genus Ensinaia Starobogatov, 1970 accepted as Elliptio Rafinesque, 1819
14. Genus Fuscnoaia C. T. Simpson, 1900 accepted as Fusconaia C. T. Simpson, 1900 (incorrect subsequent spelling)
15. Genus Fusconaja C. T. Simpson, 1900 accepted as Fusconaia C. T. Simpson, 1900 (incorrect subsequent spelling)
16. Genus Fusconala C. T. Simpson, 1900 accepted as Fusconaia C. T. Simpson, 1900 (incorrect subsequent spelling)
17. Genus Fusconaria accepted as Fusconaia C. T. Simpson, 1900 (incorrect subsequent spelling)
18. Genus Fusconia [sic] accepted as Fusconaia C. T. Simpson, 1900 (incorrect subsequent spelling)
19. Genus Hemilastena Agassiz, 1852 accepted as Hemistena Rafinesque, 1820 (unjustified emendation of Hemistena)
20. Genus Levingtonia [sic] accepted as Lexingtonia Ortmann, 1914 accepted as Fusconaia C. T. Simpson, 1900 (incorrect subsequent spelling)
21. Genus Lexingtonia Ortmann, 1914 accepted as Fusconaia C. T. Simpson, 1900 (junior synonym)
22. Genus Lintoxia Rafinesque, 1820 accepted as Pleurobema Rafinesque, 1819
23. Genus Lyntoxia Rafinesque, 1820 accepted as Pleurobema Rafinesque, 1819
24. Genus Odatelia Rafinesque, 1832 accepted as Hemistena Rafinesque, 1820
25. Genus Quincuncina Ortmann, 1922 accepted as Fusconaia C. T. Simpson, 1900 (unaccepted > junior subjective synonym)
26. Genus Sayunio De Gregorio, 1914 accepted as Hemistena Rafinesque, 1820
27. Genus Scalenaria Rafinesque, 1820 accepted as Pleurobema Rafinesque, 1819
28. Genus Scatenaria Rafinesque, 1820 accepted as Scalenaria Rafinesque, 1820 accepted as Pleurobema Rafinesque, 1819 (alternative original spelling)
29. Genus Sintoina Rafinesque, 1820 accepted as Pleurobema Rafinesque, 1819
30. Genus Sintoxia Rafinesque, 1820 accepted as Pleurobema Rafinesque, 1819
31. Genus Syntonia Rafinesque, 1820 accepted as Pleurobema Rafinesque, 1819
32. Genus Syntoxia Agassiz, 1846 accepted as Pleurobema Rafinesque, 1819 (emendation)

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