• Abatus kieri McKinney, McNamara & Wiedman, 1988 †: Priabonian
• Abra depressa (Deshayes, 1857) †: Eocene
• Abra difficilis (Deshayes, 1857) †: Eocene
• Abra exilis (Deshayes, 1857) †: Eocene
• Abra lamberti (Deshayes, 1857) †: Eocene
• Abra macrodonta (Deshayes, 1857) †: Eocene
• Abra obtusa (Deshayes, 1857) †: Eocene
• Abra recluzii (Deshayes, 1857) †: Eocene
• Abra striatula (Deshayes, 1857) †: Eocene
• Abra vouastensis Périer, 1941 †: Eocene
• Abyssamina poagi Schnitker & Tjalsma, 1980 †: Bartonian
• Abyssamina quadrata Schnitker & Tjalsma, 1980 †: Lutetian
• Acanthinula karsdorfensis Kadolsky, 2020 †: Ypresian
• Acanthinula nanxiongensis W. Yu, H.-L. Gu & X.-Q. Zhang, 1990 †: Eocene
• Acar lamellosa (Deshayes, 1858) †: Eocene
• Acar lyelli (Deshayes, 1829) †: Eocene
• Acarinina cuneicamerata (Blow, 1979) †: Ypresian
• Acarinina mckannai (White, 1928) †: Bartonian
• Acarinina mckannai (White, 1928) †: Lutetian
• Acarinina soldadoensis (Brönnimann, 1952) †: Lutetian
• Acarinina soldadoensis (Brönnimann, 1952) †: Ypresian
• Acarinina strabocella (Loeblich & Tappan, 1957) †: Ypresian
• Acesta dilatata (Lamarck, 1806) †: Eocene
• Acirsa auversiensis (Deshayes, 1861) †: Eocene
• Acirsa bezanconi (de Boury, 1883) †: Eocene
• Acirsa canicularis (Lamarck, 1804) †: Eocene
• Acirsa cylindracea Fenaux, 1937 †: Eocene
• Acirsa erasa (Deshayes, 1861) †: Eocene
• Acirsa striatula (Deshayes, 1832) †: Eocene
• Acirsa subtenuistriata (A. d'Orbigny, 1850) †: Eocene
• Acirsa turriculata Fenaux, 1937 †: Eocene
• Acirsa vetusta (P. A. Maxwell, 1992) †: Eocene
• Acmaea catalaunensis Cossmann, 1913 †: Eocene
• Acmaea dulcis (Lamarck, 1803) †: Eocene
• Acmaea marceauxi (Deshayes, 1861) †: Eocene
• Acmaea scutatella (Lamarck, 1803) †: Eocene
• Acrilla affinis (Deshayes, 1861) †: Eocene
• Acrilla cuisensis (de Boury, 1887) †: Eocene
• Acrilla essomiensis (de Boury, 1887) †: Eocene
• Acrilla perangusta (de Boury, 1913) †: Eocene
• Acrilla praedecussata de Boury, 1912 †: Eocene
• Acrilloscala bifidolirata (de Boury, 1913) †: Eocene
• Acrocoelum costellatum (Deshayes, 1832) †: Eocene
• Acrocoelum ptychembryon (Gougerot & Le Renard, 1978) †: Eocene
• Acrocolpus plicatus (Deshayes, 1824) †: Eocene
• Acroloxus aspis Kadolsky, 2020 †: Ypresian
• Acroloxus berellensis (de Laubrière & Carez, 1881) †: Eocene
• Acroloxus dutemplei (Deshayes, 1863) †: Eocene
• Acroloxus korys Kadolsky, 2020 †: Ypresian
• Acroreia baylei (Cossmann, 1882) †: Eocene
• Acteocina grignonensis (Deshayes, 1862) †: Eocene
• Acteon aizyensis (Deshayes, 1862) †: Eocene
• Acteon deshayesi (de Raincourt & Munier-Chalmas, 1863) †: Eocene
• Acteon gardneri (Cossmann, 1889) †: Eocene
• Acteon gilberti (Cossmann, 1889) †: Eocene
• Acteon gmelini (Bayan, 1870) †: Eocene
• Acteon idoneus Conrad, 1833 †: Eocene
• Acteon loustaui (Deshayes, 1861) †: Eocene
• Acteon monthiersi (Carez, 1879) †: Eocene
• Acteon sphaericulus (Deshayes, 1862) †: Eocene
• Acteon subinflatus A. d'Orbigny, 1850 †: Eocene
• Actinopora conjuncta (Michelin, 1847) †: Eocene
• Actinopora plana Römer, 1863 †: Priabonian
• Actinopora tenuissima Canu & Bassler, 1920 †: Priabonian