1. Genus Actinostreon Bayle, 1878 †
2. Genus Alectryonella Sacco, 1897
3. Genus Booneostrea Harry, 1985
4. Genus Dendostrea Swainson, 1835
5. Genus Lopha Röding, 1798
6. Genus Nanostrea Harry, 1985
7. Genus Ostrea Linnaeus, 1758
8. Genus Planostrea Harry, 1985
9. Genus Pustulostrea Harry, 1985
10. Genus Teskeyostrea Harry, 1985
11. Genus Umbrostrea Hautmann, 2001 †
12. Genus Alectryonia Fischer von Waldheim, 1807 accepted as Lopha Röding, 1798 (synonym)
13. Genus Anodontostrea Suter, 1917 accepted as Ostrea Linnaeus, 1758 (synonym)
14. Genus Conradostrea Ward & Blackwelder, 1987 † accepted as Ostrea Linnaeus, 1758
15. Genus Cryptostrea Harry, 1985 accepted as Ostrea Linnaeus, 1758
16. Genus Dendostraea accepted as Dendostrea Swainson, 1835 (misspelling by Sowerby, 1839)
17. Genus Dendrostraea accepted as Dendostrea Swainson, 1835 (misspelling by Swainson, 1840)
18. Genus Dendrostrea accepted as Dendostrea Swainson, 1835 (misspelling by Woodward, 1851)
19. Genus Eostrea Ihering, 1907 accepted as Ostrea Linnaeus, 1758 (synonym)
20. Genus Monoeciostrea Orton, 1928 accepted as Ostrea Linnaeus, 1758 (genus name unavailable)
21. Genus Myrakeena Harry, 1985 accepted as Ostrea Linnaeus, 1758
22. Genus Ostracites Picot de Lapeirouse, 1781 † accepted as Ostrea Linnaeus, 1758
23. Genus Ostraea [sic] accepted as Ostrea Linnaeus, 1758 (incorrect subsequent spelling by G.B. Sowerby II (1871) and others)
24. Genus Ostreola Monterosato, 1884 accepted as Ostrea Linnaeus, 1758
25. Genus Ostreum da Costa, 1776 accepted as Ostrea Linnaeus, 1758 (Unjustified emendation)
26. Genus Palaeolopha Malchus, 1990 † accepted as Actinostreon Bayle, 1878 † (unaccepted > junior subjective synonym)
27. Genus Pretostrea Iredale, 1939 accepted as Dendostrea Swainson, 1835 (synonym)
28. Genus Tiostrea Chanley & Dinamani, 1980 accepted as Ostrea Linnaeus, 1758 (synonym)
29. Genus Undulostrea Harry, 1985 accepted as Ostrea Linnaeus, 1758

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