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World Register of Marine Species accepts 16 genera split into 4 subfamilies. ===Subfamily
Crassostreinae=== • †
Angustostrea Vialov, 1936 •
Crassostrea Sacco, 1897 • †
Cubitostrea Sacco, 1897 • †
Ferganea Vialov, 1936 • †
Gyrostrea Mirmakolov, 1966 •
Magallana Salvi &
Mariottini, 2016 •
Talonostrea X.-X. Li & Z.-Y. Qi, 1994 ===Subfamily
Ostreinae=== • †
Actinostreon Bayle, 1878 •
Alectryonella Sacco, 1897 •
Anomiostrea T. Habe & Kosuge, 1966 •
Booneostrea Harry, 1985 •
Dendostrea Swainson, 1835 •
Lopha Röding, 1798 •
Nanostrea Harry, 1985 •
Ostrea L., 1758 •
Planostrea Harry, 1985 •
Pustulostrea Harry, 1985 •
Teskeyostrea Harry, 1985 • †
Umbrostrea Hautmann, 2001 ===Subfamily
Saccostreinae=== •
Saccostrea Dollfus & Dautzenberg, 1920 ===Subfamily
Striostreinae=== •
Striostrea Vialov, 1936 ===
Incertae sedis=== • †
Kulunostrea J.-M. Wei, 1984 •
Nicaisolopha Vyalov, 1936 • †
Pseudoperna Logan, 1899 • †
Sokolowia Böhm, 1933 ==References==