Abra aegyptiaca P. G. Oliver & Zuschin, 2000 (basis of record)
Abra aequalis (Say, 1822) (basis of record)
Abra affinis E. A. Smith, 1899 (basis of record)
Abra africana Bartsch, 1915 (basis of record)
Abra alba (W. Wood, 1802) (additional source)
Abra braziliensis (E. A. Smith, 1885) (basis of record)
Abra californica Knudsen, 1970 (basis of record)
Abra cistula (Melvill, 1907) (basis of record)
Abra convexior E. A. Smith, 1895 (basis of record)
Abra demosia (Dautzenberg & H. Fischer, 1906) (basis of record)
Abra exigua (H. Adams, 1862) (basis of record)
Abra fragillima (Issel, 1869) (basis of record)
Abra fujitai T. Habe, 1958 (basis of record)
Abra grimaldii (Dautzenberg & H. Fischer, 1906) (basis of record)
Abra inanis Prashad, 1932 (basis of record)
Abra infans (E. A. Smith, 1885) (basis of record)
Abra intesi Cosel, 1995 (basis of record)
Abra jarli Nicklès, 1955 (basis of record)
Abra kraemmeri Nicklès, 1955 accepted as Abra pilsbryi (Dautzenberg, 1912) (basis of record)
Abra kyurokusimana (Nomura & Hatai, 1940) (basis of record)
Abra lecointrei Nicklès, 1955 (basis of record)
Abra lioica (Dall, 1881) (additional source)
Abra longicallus (Scacchi, 1835) (additional source)
Abra lunella (A. Gould, 1861) (basis of record)
Abra nitida (O. F. Müller, 1776) (additional source)
Abra philippinensis (E. A. Smith, 1885) (basis of record)
Abra pilsbryi (Dautzenberg, 1912) (basis of record)
Abra pini Cosel, 1995 (basis of record)
Abra prismatica (Montagu, 1808) (additional source)
Abra profundorum (E. A. Smith, 1885) (additional source)
Abra regularis (E. A. Smith, 1885) (basis of record)
Abra scarlatoi (Kamenev, 2004) (basis of record)
Abra scotti M. Huber, 2010 (original description)
Abra segmentum (Récluz, 1843) (additional source)
Abra seurati (E. Lamy, 1906) (basis of record)
Abra sibogai Prashad, 1932 (basis of record)
Abra soyoae T. Habe, 1958 (basis of record)
Abra tenuis (Montagu, 1803) (additional source)
Abra tepocana Dall, 1915 (basis of record)
Abra truncata Hedley, 1906 (basis of record)
Abra uruguayensis (Pilsbry, 1897) (basis of record)
Abra weberi Prashad, 1932 (basis of record)
Abrina T. Habe, 1952 accepted as Abra Lamarck, 1818 (additional source)
Acar abdita P. G. Oliver & Chesney, 1994 (basis of record)
Acar agulhasensis (Thiele, 1931) (basis of record)
Acar bailyi Bartsch, 1931 (basis of record)
Acar botanica (Hedley, 1917) (basis of record)
Acar clathrata (Defrance, 1816) (additional source)
Acar congenita (E. A. Smith, 1885) (basis of record)
Acar decorata (Hayami & Kase, 1993) (basis of record)
Acar dubia (Baird, 1873) (basis of record)
Acar gradata (Broderip & G. B. Sowerby I, 1829) (additional source)
Acar marsupialis P. G. Oliver & Holmes, 2004 (basis of record)
Acar petasion (Kilburn, 1983) (basis of record)
Acar plicata (Dillwyn, 1817) (additional source)
Acar pusilla (G. B. Sowerby I, 1833) (additional source)
Acar requiescens (Melvill & Standen, 1907) (basis of record)
Acar rostae (S. S. Berry, 1954) (basis of record)
Acar sandersonae A. W. B. Powell, 1933 (basis of record)
Acar sociella (Brookes, 1926) (basis of record)
Acar squamosa (Lamarck, 1819) (basis of record)
Acesta (Callolima) Bartsch, 1913 represented as Acesta H. Adams & A. Adams, 1858 (additional source)
Acesta angolensis (Adam & Knudsen, 1955) (basis of record)
Acesta borneensis (Bartsch, 1913) (basis of record)
Acesta bullisi (H. E. Vokes, 1963) (additional source)
Acesta celebensis (Bartsch, 1913) (basis of record)
Acesta citrina Masahito & T. Habe, 1976 (basis of record)
Acesta colombiana (H. E. Vokes, 1970) (basis of record)
Acesta diomedae (Dall, 1908) (basis of record)
Acesta excavata (J. C. Fabricius, 1779) (additional source)
Acesta goliath (G. B. Sowerby III, 1883) (basis of record)
Acesta indica (E. A. Smith, 1899) (basis of record)
Acesta maui B. A. Marshall, 2001 (basis of record)
Acesta mori (Hertlein, 1952) (basis of record)
Acesta niasensis (Thiele, 1918) (basis of record)
Acesta patagonica (Dall, 1902) (basis of record)
Acesta philippinensis (Bartsch, 1913) (basis of record)
Acesta rathbuni (Bartsch, 1913) (basis of record)
Acesta saginata B. A. Marshall, 2001 (basis of record)
Acesta smithi (G. B. Sowerby III, 1888) (basis of record)
Acesta sphoni (Hertlein, 1963) (basis of record)
Acesta verdensis (Bartsch, 1913) (basis of record)
Acesta virgo T. Habe & Okutani, 1968 (basis of record)
Acharax Dall, 1908 (basis of record)
Acharax alinae Métivier & Cosel, 1993 (additional source)
Acharax bartschii (Dall, 1908) (basis of record)
Acharax caribbaea (H. E. Vokes, 1970) (basis of record)
Acharax grandis (A. E. Verrill & K. J. Bush, 1898) (basis of record)
Acharax johnsoni (Dall, 1891) (basis of record)
Acharax patagonica (E. A. Smith, 1885) (basis of record)
Acharax prashadi (H. E. Vokes, 1955) (basis of record)
Acila H. Adams & A. Adams, 1858 (basis of record)
Acila (Acila) H. Adams & A. Adams, 1858 represented as Acila H. Adams & A. Adams, 1858 (basis of record)
Acila (Truncacila) Schenck, 1931 represented as Acila H. Adams & A. Adams, 1858 (basis of record)
Acila castrensis (Hinds, 1843) (basis of record)
Acila divaricata (Hinds, 1843) (basis of record)
Acila fultoni (E. A. Smith, 1892) (basis of record)
Acila granulata (E. A. Smith, 1906) (basis of record)
Acila insignis (A. Gould, 1861) (basis of record)
Acila jucunda (Thiele, 1931) (basis of record)