Arcidae Lamarck, 1809
Acar abdita Oliver & Chesney, 1994
Acar agulhasensis (Thiele & Jaeckel, 1931)
Acar bailyi Bartsch, 1931
Acar botanica (Hedley, 1917)
Acar carditaeformis (Dautzenberg & Fischer, 1897)
Acar celleporacea (Tate, 1886)
Acar clathrata (Defrance, 1816)
Acar congenita (E.A. Smith, 1885)
Acar crustata (Tate, 1866)
Acar decorata (Hayami & Kase, 1993)
Acar divaricata Auct
Acar domingensis (Lamarck, 1819)
Acar donaciformis Reeve, 1844
Acar dubia (Baird, 1873)
Acar gradata (Broderip & G.B. Sowerby I, 1829)
Acar lamellosa (Deshayes, 1858)
Acar laterosa (Iredale, 1939)
Acar lyelli (Deshayes)
Acar marsupialis Oliver & Holmes, 2004
Acar olivercoseli Huber, 2010
Acar petasion (Kilburn, 1983)
Acar plicata (Dillwyn, 1817)
Acar plicatum (Dillwyn, 1817)
Acar pusilla (G.B. Sowerby I, 1833)
Acar requiescens (Melvill & Standen, 1907)
Acar riculata
Acar rostae Berry, 1954
Acar sandersonae Powell, 1933
Acar simulans (Tate, 1886)
Acar sociella (A. E. Brookes, 1926)
Acar squamosa (Lamarck, 1819)
Acar transmar Simone, 2009
