• Admytilus acutangulus (Deshayes, 1830) †
• Adula californiensis (R. A. Philippi, 1847)
• Adula chikubetsuensis Kaz. Amano, 1984 † accepted as Adipicola chikubetsuensis (Kaz. Amano, 1984) †
• Adula diegensis (Dall, 1911)
• Adula falcatoides T. Habe, 1955
• Adula gruneri (R. A. Philippi, 1851)
• Adula iwaotakii T. Habe, 1958 accepted as Adipicola iwaotakii (T. Habe, 1958)
• Adula kleemanni M. Huber, 2010
• Adula nipponica T. Habe, 1955 accepted as Adula schmidtii (Schrenck, 1867)
• Adula schmidtii (Schrenck, 1867)
• Adula soleniformis (A. d'Orbigny, 1846)
• Adula stylina P. P. Carpenter, 1864 accepted as Adula californiensis (R. A. Philippi, 1847)
• Amygdalum agglutinans (Cantraine, 1835) accepted as Lioberus agglutinans (Cantraine, 1835)
• Amygdalum americanum T. Soot-Ryen, 1955
• Amygdalum anoxicolum P. G. Oliver, 2001
• Amygdalum arborescens (Fischer von Waldheim, 1807)
• Amygdalum barbatiaeforme (K. Martin, 1916) †
• Amygdalum beddomei Iredale, 1924 accepted as Amygdalum striatum (F. W. Hutton, 1873)
• Amygdalum dendriticum Megerle von Mühlfeld, 1811 accepted as Amygdalum arborescens (Fischer von Waldheim, 1807)
• Amygdalum dolichum (Suter, 1917) †
• Amygdalum frixum Mörch, 1853 accepted as Barbatia amygdalumtostum (Röding, 1798)
• Amygdalum japonica (Dunker, 1857) accepted as Arcuatula japonica (Dunker, 1857)
• Amygdalum luteum (P. Fischer, 1882) accepted as Amygdalum politum (A. E. Verrill & S. Smith, 1880)
• Amygdalum newcombi (Dall, Bartsch & Rehder, 1938)
• Amygdalum pallidulum (Dall, 1916)
• Amygdalum papyrium (Conrad, 1846) accepted as Arcuatula papyria (Conrad, 1846)
• Amygdalum peasei (Newcomb, 1870)
• Amygdalum plumeum Kuroda & Habe, 1971 accepted as Amygdalum peasei (Newcomb, 1870)
• Amygdalum politum (A. E. Verrill & S. Smith, 1880)
• Amygdalum progoense (K. Martin, 1916) †
• Amygdalum sagittatum (Rehder, 1935)
• Amygdalum soyoae Habe, 1958
• Amygdalum striatum (F. W. Hutton, 1873)
• Amygdalum watsoni (E. A. Smith, 1885)
• Arcomytilus batesi Cox, 1952 †
• Arcomytilus couloni (A. d'Orbigny, 1850) †
• Arcomytilus laitmairensis (de Loriol, 1883) †
• Arcomytilus morrisii (Sharpe, 1850) †
• Arcomytilus pectinatus (J. Sowerby, 1821) †
• Arcomytilus sanctaecrucis (F.-J. Pictet & Campiche, 1866) †
• Arcoperna brevis (Deshayes, 1858) †
• Arcoperna capillaris (Deshayes, 1858) †
• Arcoperna filosa Conrad, 1865 †
• Arcoperna inflata Dall, 1916 † (uncertain > unassessed)
• Arcoperna mellevillei (A. d'Orbigny, 1850) †
• Arcoperna profunda (Deshayes, 1830) †
• Arcoperna radiolata (Deshayes, 1858) †
• Arcoperna recens Tate, 1897 accepted as Solamen recens (Tate, 1897)
• Arcoperna scapha Verco, 1908 accepted as Exosiperna scapha (Verco, 1908)
• Arcoperna searlesi (Chelot, 1885) †
• Arcoperna sericea (Bronn, 1831) †
• Arcoperna tenera (Deshayes, 1858) †
• Arcoperna valbodenensis (Watelet, 1868) †
• Arcoperna vicina Cossmann, 1898 † (uncertain > unassessed)
• Arcuatula arcuatula (Hanley, 1844)
• Arcuatula capensis (Krauss, 1848)
• Arcuatula elegans (Gray, 1828)
• Arcuatula eudeli Jousseaume, 1931 accepted as Dentimodiolus striatulus (Hanley, 1843)
• Arcuatula glaberrima (Dunker, 1857)
• Arcuatula japonica (Dunker, 1857)
• Arcuatula leucosticta (E. von Martens, 1897) accepted as Parabrachidontes leucostictus (E. von Martens, 1897)
• Arcuatula papyria (Conrad, 1846)
• Arcuatula perfragilis (Dunker, 1857)
• Arcuatula senhousia (W. H. Benson, 1842)
• Arcuatula sootryeni Stilwell & Zinsmeister, 1992 † accepted as Brachidontes sootryeni (Stilwell & Zinsmeister, 1992) †
• Arcuatula tristis (Dunker, 1857)
• Arcuatula variegata (W. H. Benson, 1855)
• Arvella faba (O. F. Müller, 1776)
• Arvella japonica (Dall, 1897)
• Arvella manshurica Scarlato, 1960
• Arvella pectinula (A. Gould, 1841)
• Assytilus alpha Berezovsky, 2015 †
• Aulacomya anderssoni Zinsmeister, 1984 † accepted as Perna anderssoni (Zinsmeister, 1984) †
• Aulacomya ater (Molina, 1782) accepted as Aulacomya atra (Molina, 1782)
• Aulacomya atra (Molina, 1782)
• Aulacomya capensis (Dunker, 1846) accepted as Aulacomya atra capensis (Dunker, 1846)
• Aulacomya magellanica (Chemnitz, 1785) accepted as Aulacomya atra (Molina, 1782)
• Aulacomya maoriana (Iredale, 1915)
• Aulacomya regia A. W. B. Powell, 1957
• Aulacomya suberosa Singleton, 1941 † accepted as Brachidontes suberosa (Singleton, 1941) †
• Austromytilus rostratus (Dunker, 1857)
• Botulina bakeri Dall, Bartsch & Rehder, 1938 accepted as Gregariella bakeri (Dall, Bartsch & Rehder, 1938)
• Brachidontes (Arcuatula) senhousia (W. H. Benson, 1842) accepted as Arcuatula senhousia (W. H. Benson, 1842)
• Brachidontes (Hormomya) armoricensis (Cossmann, 1905) † accepted as Brachidontes armoricensis (Cossmann, 1905) †
• Brachidontes (Hormomya) biochii (Deshayes, 1866) † accepted as Brachidontes biochii (Deshayes, 1866) †
• Brachidontes (Hormomya) catalaunensis (Cossmann, 1896) † accepted as Brachidontes catalaunensis (Cossmann, 1896) †
• Brachidontes (Hormomya) dutemplei (Deshayes, 1858) † accepted as Brachidontes dutemplei (Deshayes, 1858) †
• Brachidontes (Hormomya) karachiensis Melvill & Standen, 1907 accepted as Brachidontes pharaonis (P. Fischer, 1870)
• Brachidontes (Hormomya) levesauei (Deshayes, 1858) † accepted as Brachidontes levesauei (Deshayes, 1858) †
• Brachidontes (Hormomya) rigaulti (Deshayes, 1858) † accepted as Brachidontes rigaulti (Deshayes, 1858) †
• Brachidontes adamsianus (Dunker, 1857)
• Brachidontes aequatorialis (Olsson, 1961)
• Brachidontes amanoi Hryniewicz, Kaim & Kiel, 2024 †
• Brachidontes ambiguus (Deshayes, 1858) †
• Brachidontes arabicus Jousseaume, 1919 accepted as Brachidontes pharaonis (P. Fischer, 1870)
• Brachidontes arcuatulus (Hanley, 1844) accepted as Arcuatula arcuatula (Hanley, 1844)
• Brachidontes armoricensis (Cossmann, 1905) †
• Brachidontes atratus (Lischke, 1871) accepted as Vignadula atrata (Lischke, 1871)
• Brachidontes australis (E. von Martens, 1879) accepted as Gregariella australis (E. von Martens, 1879)
• Brachidontes biochii (Deshayes, 1866) †