• Acar abdita P. G. Oliver & Chesney, 1994
• Acar agulhasensis (Thiele, 1931)
• Acar asperula (Dall, 1881) accepted as Bentharca asperula (Dall, 1881)
• Acar bailyi Bartsch, 1931
• Acar bernardi Zelaya, Güller & Bieler, 2024
• Acar botanica (Hedley, 1917)
• Acar carditaeformis (Dautzenberg & H. Fischer, 1897)
• Acar celleporacea (Tate, 1886) †
• Acar clathrata (Defrance, 1816)
• Acar coma Cotton, 1947 †
• Acar congenita (E. A. Smith, 1885)
• Acar crustata (Tate, 1886) †
• Acar decorata (Hayami & Kase, 1993)
• Acar domingensis (Lamarck, 1819)
• Acar dubia (Baird, 1873)
• Acar dubia digma Iredale, 1939 accepted as Acar plicata (Dillwyn, 1817)
• Acar dubia kerma Iredale, 1939 accepted as Acar plicata (Dillwyn, 1817)
• Acar gradata (Broderip & G. B. Sowerby I, 1829)
• Acar gunsoni (Darragh & G. W. Kendrick, 1980) †
• Acar harringtoni Laws, 1947 †
• Acar hawaiensis Dall, Bartsch & Rehder, 1938 accepted as Acar plicata (Dillwyn, 1817)
• Acar iota Iredale, 1939 accepted as Acar congenita (E. A. Smith, 1885)
• Acar lamellosa (Deshayes, 1858) †
• Acar laysana Dall, Bartsch & Rehder, 1938 accepted as Acar plicata (Dillwyn, 1817)
• Acar lepidoformis Francisco, J. Barros & S. Lima, 2012
• Acar lyelli (Deshayes, 1829) †
• Acar marsupialis P. G. Oliver & Holmes, 2004
• Acar merope (A. d'Orbigny, 1850) †
• Acar millifila (Dall, 1903) † (uncertain > unassessed)
• Acar millifila latrinidadis (Maury, 1925) † (uncertain > unassessed)
• Acar naturezae Francisco, J. Barros & S. Lima, 2012
• Acar oliveirae Francisco, J. Barros & S. Lima, 2012
• Acar olivercoseli M. Huber, 2010
• Acar opuraensis (Bartrum & A. W. B. Powell, 1928) †
• Acar panamensis Bartsch, 1931 accepted as Acar gradata (Broderip & G. B. Sowerby I, 1829)
• Acar petasion (Kilburn, 1983)
• Acar plicata (Dillwyn, 1817)
• Acar powelli Laws, 1950 †
• Acar pulchella (Reeve, 1844) accepted as Acar clathrata (Defrance, 1816)
• Acar pusilla (G. B. Sowerby I, 1833)
• Acar putealis (Cox, 1952) †
• Acar requiescens (Melvill & Standen, 1907)
• Acar reticulata (Gmelin, 1791) (uncertain > nomen dubium)
• Acar reticulata sensu Suter, 1913 accepted as Acar sandersonae A. W. B. Powell, 1933
• Acar rostae (S. S. Berry, 1954)
• Acar salebrosus (Garvie, 1996) †
• Acar sandersonae A. W. B. Powell, 1933
• Acar scabra (Poli, 1795) accepted as Asperarca nodulosa (O. F. Müller, 1776)
• Acar simulans (Tate, 1886) †
• Acar sociella (Brookes, 1926)
• Acar somalica Selli, 1974 †
• Acar squamosa (Lamarck, 1819)
• Acar transmar Simone, 2009
• Acar whangaensis (Marwick, 1928) †
• Adacnarca crenella (Vélain, 1877)
• Adacnarca decapitata (Thiele, 1931)
• Adacnarca harrisonae (A. W. B. Powell, 1927)
• Adacnarca limopsoides (Thiele, 1912)
• Adacnarca marionensis (E. A. Smith, 1885) sensu Pakhomov, 2008 (uncertain > nomen dubium)
• Adacnarca minuta (E. A. Smith, 1898)
• Adacnarca nitens Pelseneer, 1903
• Adacnarca ornata (Crozier, 1966)
• Adacnarca pileopsis (A. W. B. Powell, 1927)
• Adacnarca polarsterni Egorova, 2003
• Adacnarca squamea Hedley, 1905
• Adacnarca trapezina (F. Bernard, 1897)
• Adacnarca velaini (E. A. Smith, 1904)
• Adacnarca wandelensis (E. Lamy, 1906) accepted as Philobrya wandelensis E. Lamy, 1906
• Ambrogia mytiloides (Brocchi, 1814) †
• Anadara (Anadara) amicula (Yokoyama, 1925) † represented as Anadara amicula (Yokoyama, 1925) †
• Anadara (Anadara) antiquata (Linnaeus, 1758) represented as Anadara antiquata (Linnaeus, 1758)
• Anadara (Anadara) consobrina (G. B. Sowerby I, 1850) † represented as Anadara consobrina (G. B. Sowerby I, 1850) † accepted as Arca sobrina Pilsbry & C. W. Johnson, 1917 †
• Anadara (Anadara) grandis (Broderip & G. B. Sowerby I, 1829) represented as Anadara grandis (Broderip & G. B. Sowerby I, 1829) accepted as Larkinia grandis (Broderip & G. B. Sowerby I, 1829)
• Anadara (Anadara) kuohsingensis Masuda & C.-Y. Huang, 1993 † (uncertain > unassessed)
• Anadara (Anadara) lirata (R. A. Philippi, 1887) † represented as Anadara lirata (R. A. Philippi, 1887) †
• Anadara (Anadara) nantouensis Masuda & C.-Y. Huang, 1993 † (uncertain > unassessed)
• Anadara (Anadara) pennelli Gabb, 1873 † represented as Anadara pennelli Gabb, 1873 †
• Anadara (Anadara) talmiensis Kalishevich, 1976 † accepted as Anadara (Scapharca) talmiensis Kalishevich, 1976 † represented as Anadara talmiensis Kalishevich, 1976 †
• Anadara (Anadara) uropigimelana (Bory de Saint-Vincent, 1827) represented as Anadara uropigimelana (Bory de Saint-Vincent, 1827)
• Anadara (Argina) raddii Nardini, 1937 † accepted as Lunarca raddii (Nardini, 1937) †
• Anadara (Cunearca) vanderhoofi Durham, 1950 † represented as Anadara J. E. Gray, 1847
• Anadara (Diluvarca) adamsi Olsson, 1961 accepted as Anadara adamsi Olsson, 1961
• Anadara (Diluvarca) columba Olsson, 1932 † (uncertain > unassessed)
• Anadara (Diluvarca) sechurana Olsson, 1932 † (uncertain > unassessed)
• Anadara (Diluvarca) spiekeri Olsson, 1932 † (uncertain > unassessed)
• Anadara (Imparilarca) craticulata (Nyst, 1848) represented as Anadara craticulata (Nyst, 1848)
• Anadara (Imparilarca) ehrenbergi (Dunker, 1868) represented as Anadara ehrenbergi (Dunker, 1868)
• Anadara (Imparilarca) kikaizimana (Nomura & Zibo, 1934) represented as Anadara kikaizimana (Nomura & Zinbo, 1934)
• Anadara (Imparilarca) rotundicostata (Reeve, 1843) represented as Anadara rotundicostata (Reeve, 1844)
• Anadara (Mabellarca) africana (G. B. Sowerby III, 1904) accepted as Anadara africana (G. B. Sowerby III, 1904) accepted as Anadara pygmaea (H. Adams, 1872)
• Anadara (Mabellarca) dautzenbergi (E. Lamy, 1907) accepted as Mabellarca dautzenbergi (E. Lamy, 1907)
• Anadara (Scapharca) broughtonii (Schrenck, 1867) represented as Anadara broughtonii (Schrenck, 1867)
• Anadara (Scapharca) costaricensis Olsson, 1922 † (uncertain > unassessed)
• Anadara (Scapharca) costaricensis costaricensis Olsson, 1922 † (uncertain > unassessed)
• Anadara (Scapharca) costaricensis gameroae Macsotay, 1968 † (uncertain > unassessed)
• Anadara (Scapharca) erythraeonensis (Jonas, 1851) accepted as Mosambicarca erythraeonensis (Jonas, 1851)
• Anadara (Scapharca) eusphaera (O. Boettger, 1883) † represented as Anadara eusphaera (O. Boettger, 1883) †
• Anadara (Scapharca) iwashibaraensis Noda, 1965 † represented as Anadara iwashibaraensis Noda, 1965 †
• Anadara (Scapharca) kakehataensis Hatai & Nisiyama, 1949 † represented as Anadara kakehataensis Hatai & Nisiyama, 1949 †
• Anadara (Scapharca) mosambicana (Bianconi, 1856) accepted as Mosambicarca mosambicana (Bianconi, 1856)