Acamptogenotia Rovereto, 1899 accepted as Pseudotoma Bellardi, 1875 † (basis of record)
Acirsa (Acirsella) de Boury, 1886 † represented as Acirsa Mörch, 1857 (basis of record)
Acrocoelum Cossmann, 1888 † (basis of record)
Acrocolpus Cossmann, 1895 † (basis of record)
Acroreia Cossmann, 1885 † (basis of record)
Acteon (Semiactaeon) Cossmann, 1889 † represented as Acteon Montfort, 1810 (basis of record)
Agnocardia R. B. Stewart, 1930 † (basis of record)
Allopagus Stoliczka, 1871 † (basis of record)
Alocaxis Cossmann, 1889 † (basis of record)
Amplosipho Cossmann, 1901 † (basis of record)
Ampullonatica Sacco, 1890 † (basis of record)
Ancillarina Bellardi, 1882 † (basis of record)
Andoniopsis Le Renard, 1995 † (basis of record)
Angulithes Montfort, 1808 † (basis of record)
Angusticardo Cossmann, 1887 † (basis of record)
Anomalokellia Cossmann, 1887 † (basis of record)
Araeodactylus G. F. Harris & Burrows, 1891 † (basis of record)
Athleta (Neoathleta) Sacco, 1890 † represented as Athleta Conrad, 1853 (basis of record)
Aturoidea Vredenburg, 1925 † (basis of record)
Avicularium J. E. Gray, 1853 † (basis of record)
Avicularium lithocardium (Linnaeus, 1771) † (basis of record)
Aviculoperna Cossmann, 1887 † (basis of record)
Bayania Munier-Chalmas, 1877 † (additional source)
Beloptera Blainville, 1825 † (basis of record)
Belopteridae Fischer, 1887 † (basis of record)
Belosaepia Voltz, 1830 † (basis of record)
Belosepiella de Alessandri, 1905 † (basis of record)
Berellaia de Laubrière & Carez, 1881 † (additional source)
Berellaia allixi Cossmann, 1907 † (additional source)
Berellaia bonneti Cossmann, 1907 † (additional source)
Berellaia fischeri de Laubrière & Carez, 1881 † (additional source)
Berellaia mariae de Laubrière & Carez, 1881 † (additional source)
Berellaia soluta Staadt, 1913 † (additional source)
Berthelinia (Anomalomya) Cossmann, 1887 † represented as Berthelinia Crosse, 1875 † (basis of record)
Berthelinia (Squamulinia) Le Renard, 1989 † accepted as Berthelinia Crosse, 1875 † (basis of record)
Bezanconia spirata (Lamarck, 1804) † (basis of record)
Bittium (Semibittium) Cossmann, 1896 accepted as Semibittium Cossmann, 1896 † (basis of record)
Bonnetella Cossmann, 1908 † (basis of record)
Brotia (Tinnyea) melanioides vittata (Lamarck, 1804) † accepted as Tinnyea vittata (Lamarck, 1804) † (additional source)
Bruetia Chavan, 1962 † (basis of record)
Byssocardium Munier-Chalmas, 1882 † (basis of record)
Bythinella (Acrophlyctis) Cossmann, 1888 † represented as Bythinella Moquin-Tandon, 1856 (basis of record)
Callista (Microcallista) R. B. Stewart, 1930 † represented as Callista Poli, 1791 (additional source)
Callista (Microcallista) proxima (Deshayes, 1857) † represented as Callista proxima (Deshayes, 1857) † (basis of record)
Callocardia (Atopodonta) Cossmann, 1886 † represented as Callocardia A. Adams, 1864 (basis of record)
Callocardia (Nitidavenus) H. E. Vokes, 1939 † represented as Callocardia A. Adams, 1864 (basis of record)
Callucina (Callucinopsis) Chavan, 1959 † represented as Callucina Dall, 1901 (basis of record)
Calyptraea (Sigapatella) Lesson, 1831 accepted as Sigapatella Lesson, 1831 (basis of record)
Calyptraea (Turbocalyptraea) Eames, 1957 † represented as Calyptraea Lamarck, 1799 (basis of record)
Calyptronerita Le Renard, 1980 † (basis of record)
Canaliscala Cossmann, 1888 † (basis of record)
Cantharus (Endopachychilus) Cossmann, 1889 † accepted as Endopachychilus Cossmann, 1889 † (basis of record)
Cassis (Morionella) Dall, 1909 † represented as Cassis Scopoli, 1777 (basis of record)
Cavilabium Cossmann, 1888 † (basis of record)
Cepatia J. E. Gray, 1842 † (basis of record)
Cernina (Eocernina) J. A. Gardner & Bowles, 1934 † accepted as Eocernina J. A. Gardner & Bowles, 1934 † (basis of record)
Cirsochilus Cossmann, 1888 † (basis of record)
Cirsope Cossmann, 1888 † (basis of record)
Cirsotrema (Circuloscala) de Boury, 1886 † represented as Cirsotrema Mörch, 1852 (basis of record)
Cirsotrema (Coroniscala) coronale (Deshayes, 1861) † represented as Cirsotrema coronale (Deshayes, 1861) † (basis of record)
Claibornites R. B. Stewart, 1930 † (basis of record)
Clathrobaculus Cossmann, 1912 † accepted as Promathildia Andreae, 1887 † (basis of record)
Cnisma Mayer[-Eymar], 1868 † accepted as Limopsis Sasso, 1827 (basis of record)
Columbellisipho Cossmann, 1889 † (basis of record)
Coptosipho Le Renard, 1989 † (basis of record)
Coptostylus F. Sandberger, 1872 † (status source)
Corbicula cardioides (Deshayes, 1857) † (basis of record)
Corbicula crassa (Deshayes, 1825) † (basis of record)
Corbicula dutemplei (Deshayes, 1857) † (basis of record)
Corbicula fabulina (Deshayes, 1857) † (basis of record)
Corbicula obliqua (Deshayes, 1824) † (basis of record)
Corbicula roborata (Deshayes, 1857) † (basis of record)
Corbicula rugifera (Cossmann, 1886) † (basis of record)
Corbicula veneriformis (Deshayes, 1857) † (basis of record)
Cornetia Munier-Chalmas, 1885 † (basis of record)
Cornulina Conrad, 1853 † (basis of record)
Craspedopoma bonnetae Cossmann, 1907 † (basis of record)
Craspedopoma insuetum (Deshayes, 1863) † (basis of record)
Craspedopoma matheroni (Deshayes, 1863) † (basis of record)
Craspedopoma rillyense (Wenz, 1923) † (basis of record)
Crassimurex Merle, 1990 † (basis of record)
Crassispira (Tripia) De Gregorio, 1890 † represented as Crassispira Swainson, 1840 (basis of record)
Crassispira danjouxii (Baudon, 1853) † (basis of record)
Crassispira granulata (Lamarck, 1804) † (basis of record)
Crassispira subgranulosa (A. d'Orbigny, 1850) † (basis of record)
Crassostrea (Angustostrea) Vialov, 1936 † represented as Crassostrea Sacco, 1897 (basis of record)
Crassostrea (Cymbulostrea) Sacco, 1897 † represented as Crassostrea Sacco, 1897 (basis of record)
Cryptochorda Mörch, 1858 † (basis of record)
Cryptoconus filosus (Lamarck, 1804) † (basis of record)
Cryptoconus glabratus (Lamarck, 1804) † (basis of record)
Cryptoconus lineolatus (Lamarck, 1804) † (basis of record)
Cryptoconus priscus (Solander, 1766) † (basis of record)
Cubitostrea Sacco, 1897 † (basis of record)
Cylichna (Acrostemma) Cossmann, 1889 † accepted as Acrostemma Cossmann, 1889 † (basis of record)
Cylichna (Cylichnopsis) Cossmann, 1904 † represented as Cylichna Lovén, 1846 (basis of record)
Cymenorytis (Limnoscala) Raspail, 1909 † represented as Cymenorytis Cossmann, 1888 † (basis of record)
Cyrtochetus Cossmann, 1889 † (basis of record)
Dentimitra Koenen, 1890 † (basis of record)
Dialopsis Cossmann, 1888 † (basis of record)
Dientomochilus Cossmann, 1904 † (basis of record)