• Aetostreon latissimum (Lamarck, 1801) †
• Alectryonella haliotidaea (Lamarck, 1819) accepted as Dendostrea folium (Linnaeus, 1758)
• Alectryonella plicatula (Gmelin, 1791)
• Alectryonella radix (G. B. Sowerby II, 1871) accepted as Dendostrea cristata (Born, 1778)
• Alectryonia parasitica Fischer von Waldheim, 1807 (uncertain > nomen dubium)
• Alectryonia rara Fischer von Waldheim, 1807 accepted as Lopha cristagalli (Linnaeus, 1758)
• Anomiostrea coralliophila Habe, 1975
• Argutostrea roemeri (Quenstedt, 1843) †
• Booneostrea cucullina (Deshayes, 1863) sensu Harry, 1985 accepted as Booneostrea subucula (Jousseaume, 1925)
• Booneostrea subucula (Jousseaume, 1925)
• Catinula knorri [sic] † accepted as Catinula knorrii (Voltz, 1828) †
• Catinula knorrii (Voltz, 1828) †
• Conradostrea greeni Ward, 1992 † accepted as Ostrea greeni (Ward, 1992) †
• Conradostrea lawrencei Ward & Blackwelder, 1987 † accepted as Ostrea lawrencei (Ward & Blackwelder, 1987) †
• Crassostrea (Angustostrea) subangusta (d'Orbigny, 1850) † accepted as Crassostrea subangusta (d'Orbigny, 1850) †
• Crassostrea (Crassostrea) aequatorialis (d'Orbigny, 1846) accepted as Crassostrea aequatorialis (d'Orbigny, 1846)
• Crassostrea (Crassostrea) brasiliana (Lamarck, 1819) accepted as Crassostrea brasiliana (Lamarck, 1819)
• Crassostrea (Crassostrea) columbiensis (Hanley, 1846) accepted as Crassostrea columbiensis (Hanley, 1846)
• Crassostrea (Crassostrea) corteziensis (Hertlein, 1951) accepted as Crassostrea corteziensis (Hertlein, 1951)
• Crassostrea (Crassostrea) mangle Amaral & Simone, 2014 accepted as Crassostrea mangle Amaral & Simone, 2014
• Crassostrea (Crassostrea) rhizophorae (Guilding, 1828) accepted as Crassostrea rhizophorae (Guilding, 1828)
• Crassostrea (Crassostrea) tulipa (Lamarck, 1819) accepted as Crassostrea tulipa (Lamarck, 1819)
• Crassostrea (Crassostrea) virginica (Gmelin, 1791) accepted as Crassostrea virginica (Gmelin, 1791)
• Crassostrea (Cymbulostrea) cymbula (Lamarck, 1806) † accepted as Crassostrea cymbula (Lamarck, 1806) †
• Crassostrea (Magallana) angulata (Lamarck, 1819) accepted as Magallana angulata (Lamarck, 1819)
• Crassostrea (Magallana) ariakensis (Fujita, 1913) accepted as Magallana ariakensis (Fujita, 1913)
• Crassostrea (Magallana) belcheri (G. B. Sowerby II, 1871) accepted as Magallana belcheri (G. B. Sowerby II, 1871)
• Crassostrea (Magallana) bilineata (Röding, 1798) accepted as Magallana bilineata (Röding, 1798)
• Crassostrea (Magallana) cuttackensis (Newton & E. A. Smith, 1912) accepted as Magallana cuttackensis (Newton & E. A. Smith, 1912)
• Crassostrea (Magallana) dactylena (Iredale, 1939) accepted as Magallana dactylena (Iredale, 1939)
• Crassostrea (Magallana) dianbaiensis (J.-J. Xia, X.-Y. Wu, S. Xiao & Z. Yu, 2014) accepted as Magallana dianbaiensis (J.-J. Xia, X.-Y. Wu, S. Xiao & Z. Yu, 2014)
• Crassostrea (Magallana) gigas (Thunberg, 1793) accepted as Magallana gigas (Thunberg, 1793)
• Crassostrea (Magallana) gryphoides (Schlotheim, 1820) accepted as Magallana gryphoides (Schlotheim, 1820) †
• Crassostrea (Magallana) gryphoides dwarkaensis C. Li, M. Haws, H.-Y. Wang & X.-M. Guo, 2017 (unaccepted > unavailable name)
• Crassostrea (Magallana) gryphoides tanintharyiensis C. Li, M. Haws, H.-Y. Wang & X.-M. Guo, 2017 (unaccepted > unavailable name)
• Crassostrea (Magallana) hongkongensis (Lam & B. Morton, 2003) accepted as Magallana hongkongensis (Lam & B. Morton, 2003)
• Crassostrea (Magallana) markushuberi Thach, 2018 accepted as Magallana markushuberi (Thach, 2018)
• Crassostrea (Magallana) nippona (Seki, 1934) accepted as Magallana nippona (Seki, 1934)
• Crassostrea (Magallana) rivularis (Gould, 1861) accepted as Magallana rivularis (Gould, 1861)
• Crassostrea (Magallana) saidii Wong & Sigwart, 2021 accepted as Magallana saidii (Wong & Sigwart, 2021)
• Crassostrea (Magallana) sikamea (Amemiya, 1928) accepted as Magallana sikamea (Amemiya, 1928)
• Crassostrea (Magallana) valentichscotti Thach, 2018 accepted as Magallana valentichscotti (Thach, 2018)
• Crassostrea (Talonostrea) talonata X.-X. Li & Z.-Y. Qi, 1994 accepted as Talonostrea talonata X.-X. Li & Z.-Y. Qi, 1994
• Crassostrea (Talonostrea) zhanjiangensis X.-Y. Wu, S. Xiao & Z. Yu, 2013 accepted as Talonostrea zhanjiangensis (X.-Y. Wu, S. Xiao & Z. Yu, 2013)
• Crassostrea aequatorialis (d'Orbigny, 1846)
• Crassostrea amasa (Iredale, 1939) accepted as Saccostrea scyphophilla (Peron & Lesueur, 1807)
• Crassostrea angulata (Lamarck, 1819) accepted as Magallana angulata (Lamarck, 1819)
• Crassostrea ariakensis (Fujita, 1913) accepted as Magallana ariakensis (Fujita, 1913)
• Crassostrea belcheri (G. B. Sowerby II, 1871) accepted as Magallana belcheri (G. B. Sowerby II, 1871)
• Crassostrea bilineata (Röding, 1798) accepted as Magallana bilineata (Röding, 1798)
• Crassostrea brasiliana (Lamarck, 1819)
• Crassostrea brasiliensis [sic] accepted as Crassostrea brasiliana (Lamarck, 1819)
• Crassostrea chilensis (Küster, 1844) accepted as Ostrea chilensis Küster, 1844
• Crassostrea columbiensis (Hanley, 1846)
• Crassostrea commercialis (Iredale & Roughley, 1933) accepted as Saccostrea glomerata (Gould, 1850)
• Crassostrea corteziensis (Hertlein, 1951)
• Crassostrea cristagalli (Linnaeus, 1758) accepted as Lopha cristagalli (Linnaeus, 1758)
• Crassostrea cuccullata (Born, 1778) accepted as Saccostrea cuccullata (Born, 1778)
• Crassostrea cucullaris (Lamarck, 1819) †
• Crassostrea cucullata (Born, 1778) accepted as Saccostrea cuccullata (Born, 1778)
• Crassostrea cuttackensis (Newton & E. A. Smith, 1912) accepted as Magallana cuttackensis (Newton & E. A. Smith, 1912)
• Crassostrea cymbula (Lamarck, 1806) †
• Crassostrea dactylena (Iredale, 1939) accepted as Magallana dactylena (Iredale, 1939)
• Crassostrea denticulata (Born, 1778) accepted as Striostrea denticulata (Born, 1778)
• Crassostrea dianbaiensis J.-J. Xia, X.-Y. Wu, S. Xiao & Z. Yu, 2014 accepted as Magallana dianbaiensis (J.-J. Xia, X.-Y. Wu, S. Xiao & Z. Yu, 2014)
• Crassostrea discoidea (Gould, 1850) accepted as Ostrea chilensis Küster, 1844
• Crassostrea dorsata (J. de C. Sowerby, 1825) †
• Crassostrea echinata (Quoy & Gaimard, 1835) accepted as Saccostrea echinata (Quoy & Gaimard, 1835)
• Crassostrea extensa (Deshayes, 1832) †
• Crassostrea ferrarisi Orbigny, 1842 †
• Crassostrea forskahlii (Gmelin, 1791) accepted as Saccostrea cuccullata (Born, 1778)
• Crassostrea gasar (Deshayes, 1830) accepted as Crassostrea tulipa (Lamarck, 1819)
• Crassostrea gigantissima (Finch, 1824) † accepted as Striostrea gigantissima (Finch, 1824) †
• Crassostrea gigas (Thunberg, 1793) accepted as Magallana gigas (Thunberg, 1793)
• Crassostrea graphoides auct. non Schlotheim accepted as Magallana cuttackensis (Newton & E. A. Smith, 1912)
• Crassostrea gryphoides (Schlotheim, 1820) accepted as Magallana gryphoides (Schlotheim, 1820) †
• Crassostrea gryphoides dwarkaensis C. Li, M. Haws, H.-Y. Wang & X.-M. Guo, 2017 (unaccepted > unavailable name)
• Crassostrea gryphoides gryphoides (Schlotheim, 1820) † accepted as Magallana gryphoides (Schlotheim, 1820) †
• Crassostrea gryphoides tanintharyiensis C. Li, M. Haws, H.-Y. Wang & X.-M. Guo, 2017 (unaccepted > unavailable name)
• Crassostrea guyanensis Ranson, 1967 (unaccepted > nomen nudum)
• Crassostrea hongkongensis Lam & B. Morton, 2003 accepted as Magallana hongkongensis (Lam & B. Morton, 2003)
• Crassostrea inaequivalvis (G. B. Sowerby II, 1871) accepted as Hyotissa numisma (Lamarck, 1819)
• Crassostrea ingens (Zittel, 1865) †
• Crassostrea iredalei (Faustino, 1932) accepted as Magallana bilineata (Röding, 1798)
• Crassostrea iridescens (Hanley, 1854) accepted as Striostrea prismatica (Gray, 1825)
• Crassostrea laperousii (Schrenck, 1862) accepted as Magallana gigas (Thunberg, 1793)
• Crassostrea lugubris (G. B. Sowerby II, 1871) accepted as Magallana bilineata (Röding, 1798)
• Crassostrea madrasensis (Preston, 1916) accepted as Magallana bilineata (Röding, 1798)
• Crassostrea mangle Amaral & Simone, 2014
• Crassostrea margaritacea (Lamarck, 1819) accepted as Striostrea margaritacea (Lamarck, 1819)
• Crassostrea markushuberi Thach, 2018 accepted as Magallana markushuberi (Thach, 2018)
• Crassostrea mutabilis (Deshayes, 1832) †
• Crassostrea nelsoniana (Zittel, 1865) † accepted as Ostrea chilensis Küster, 1844
• Crassostrea nippona (Seki, 1934) accepted as Magallana nippona (Seki, 1934)
• Crassostrea paraibanensis Singarajah, 1980 accepted as Crassostrea brasiliana (Lamarck, 1819)
• Crassostrea patagonica (A. d'Orbigny, 1843) †
• Crassostrea paulucciae (Crosse, 1869) accepted as Planostrea pestigris (Hanley, 1846)
• Crassostrea posjetica (Razin, 1934) accepted as Crassostrea gigas (Thunberg, 1793) accepted as Magallana gigas (Thunberg, 1793)
• Crassostrea praia (Ihering, 1907)
• Crassostrea raincourti (Deshayes, 1858) †