• Accidenticulabrum Vermeij, 2000 † (uncertain)
• Acominia Finlay, 1926 accepted as Cominella Gray, 1850
• Adansonia Pallary, 1902 accepted as Chauvetia Monterosato, 1884
• Aenator accepted as Aeneator Finlay, 1926
• Aeneator Finlay, 1926
• Aeneator attenuatus Powell, 1927 †
• Aeneator benthicola accepted as Aeneator benthicolus Dell, 1963
• Aeneator benthicolus Dell, 1963
• Aeneator castillai McLean & Andrade, 1982
• Aeneator comptus (Finlay, 1924)
• Aeneator elegans (Suter, 1917)
• Aeneator fontainei (d'Orbigny, 1839)
• Aeneator galatheae Powell, 1958
• Aeneator loisae Rehder, 1971
• Aeneator marshalli (Murdoch, 1924)
• Aeneator marshalli Dell, 1956
• Aeneator martae Araya, 2013
• Aeneator otagoensis Finlay, 1930
• Aeneator portentosus Fraussen & Sellanes, 2008
• Aeneator prognaviter Fraussen & Sellanes, 2008
• Aeneator recens (Dell, 1951)
• Aeneator valedicta accepted as Aeneator valedictus (Watson, 1886)
• Aeneator valedictus (Watson, 1886)
• Aethocola Iredale, 1915 accepted as Austrofusus Kobelt, 1879
• Afer Conrad, 1858
• Afer afer (Gmelin, 1791)
• Afer africanus (Sowerby III, 1897)
• Afer echinatus Fraussen, 2008
• Afer ignifer Fraussen & Trencart, 2008
• Afer lansbergisi Delsaerdt, 1993
• Afer porphyrostoma (Reeve, 1847)
• Afer pseudofusinus Fraussen & Hadorn, 2000
• Afrocominella Iredale, 1918
• Afrocominella capensis (Dunker in Philippi, 1844)
• Afrocominella elongata (Dunker, 1857)
• Afrocominella multistriata (Turton, 1932) accepted as Afrocominella capensis (Dunker in Philippi, 1844)
• Afrocominella turtoni (Bartsch, 1915)
• Aidemofusus Kosyan & Kantor, 2013
• Aleutibuccinum McLean & Clark, 2023
• Aleutijapelion McLean & Clark, 2023
• Aliofusus Stephenson, 1941 †
• Amarophos Woodring, 1964 †
• Ameranna Landau & Vermeij, 2012
• Ameranna florida (Garcia, 2008)
• Ameranna milleri (Nowell-Usticke, 1959)
• Ameranna royalensis (Watters, 2009)
• Ameranna willemsae (De Jong & Coomans, 1988)
• Americominella Klappenbach & Ureta, 1972
• Americominella duartei Klappenbach & Ureta, 1972
• Americominella longisetosus (De Castellanos & Fernandez, 1972)
• Americominella perminuta (Dall, 1927)
• Ancistrolepis Dall, 1895
• Ancistrolepis beringianus Dall, 1919
• Ancistrolepis buccinoidea
• Ancistrolepis californicus Dall, 1919
• Ancistrolepis eucosmius (Dall, 1891)
• Ancistrolepis fujitai Kuroda, 1931 accepted as Parancistrolepis fujitai (Kuroda, 1931)
• Ancistrolepis grammatus (Dall, 1907)
• Ancistrolepis hikidai Kuroda, 1944
• Ancistrolepis hiranoi Shikama, 1962 accepted as Parancistrolepis fujitai (Kuroda, 1931)
• Ancistrolepis hirasei
• Ancistrolepis hirsuta
• Ancistrolepis kawamurai Habe & Ito, 1972
• Ancistrolepis kinoshitai Kuroda, 1931 accepted as Parancistrolepis kinoshitai (Kuroda, 1931) accepted as Parancistrolepis fujitai (Kuroda, 1931)
• Ancistrolepis magna (Dall, 1895)
• Ancistrolepis sasakii (Habe & Ito, 1970)
• Ancistrolepis trochoideus (Dall, 1907) accepted as Bathyancistrolepis trochoideus (Dall, 1907)
• Ancistrolepis vietnamensis Sirenko & Goryachev, 1990
• Andonia Cossmann, 1891 † accepted as Pseudoandonia Moroni & Ruggieri, 1981 †
• Anna Risso, 1826
• Anna assimilis (Reeve, 1846) accepted as Pollia assimilis (Reeve, 1846)
• Anna dorbignyi (Payraudeau, 1826) accepted as Pollia dorbignyi (Payraudeau, 1826)
• Anna florida Garcia, 2008 accepted as Ameranna florida (Garcia, 2008)
• Anna goncalvesi (Coltro, 2005)
• Anna marijkae (De Jong & Coomans, 1988)
• Anna massena Risso, 1826 †
• Anna milleri (Nowell-Usticke, 1959) accepted as Ameranna milleri (Nowell-Usticke, 1959)
• Anna royalensis Watters, 2009 accepted as Ameranna royalensis (Watters, 2009)
• Anna scabra (Locard, 1892) accepted as Pollia scabra Locard, 1892
• Anna willemsae (De Jong & Coomans, 1988) accepted as Ameranna willemsae (De Jong & Coomans, 1988)
• Anoacme Strebel, 1905 (unaccepted)
• Anomacme Strebel, 1905
• Anomacme multituberculata Castellanos, Rolan & Bartolotta, 1987 accepted as Meteuthria multituberculata (Castellanos, Rolan & Bartolotta, 1987)
• Anomacme smithi Strebel, 1905
• Anomalisipho Dautzenberg & H. Fischer, 1912
• Anomalisipho altus (S. Wood, 1848)
• Anomalisipho conulus (Aurivillius, 1885)
• Anomalisipho dautzenbergii Dall, 1916 accepted as Anomalisipho verkruezeni (Kobelt, 1876)
• Anomalisipho frielei Kantor, 1981 accepted as Anomalisipho verkruezeni (Kobelt, 1876)
• Anomalisipho verkruezeni (Kobelt, 1876)
• Anomalisipho virgata (Friele, 1879)
• Anomalosipho Dall, 1918 accepted as Anomalisipho Dautzenberg & H. Fischer, 1912
• Antarctodomus A. Adams, 1863
• Antarctodomus Dell, 1972
• Antarctodomus okutanii Numanami, 1996
• Antarctodomus powelli Dell, 1995
• Antarctodomus thielei (Powell, 1958)
• Antarctoneptunea Dell, 1972
• Antarctoneptunea aurora (Hedley, 1916)
• Antistreptus Dall, 1918