Aaadonta Solem, 1976 (basis of record)
Abbottella (Abbottella) J. B. Henderson & Bartsch, 1920 represented as Abbottella J. B. Henderson & Bartsch, 1920 (basis of record)
Abchasohela Hudec & Lezhawa, 1971 (basis of record)
Acantharion E. Binder & Tillier, 1985 (basis of record)
Acanthennea E. von Martens, 1898 (basis of record)
Acavus Montfort, 1810 (basis of record)
Achatina (Achatina) Lamarck, 1799 represented as Achatina Lamarck, 1799 (basis of record)
Achatina (Pintoa) Bourguignat, 1890 represented as Achatina Lamarck, 1799 (basis of record)
Achatina (Tripachatina) Bourguignat, 1890 represented as Achatina Lamarck, 1799 (basis of record)
Achatininae Swainson, 1840 (basis of record)
Achatinini Swainson, 1840 (basis of record)
Acheronopa Hyman & J. Stanisic, 2005 (basis of record)
Acicula W. Hartmann, 1821 (basis of record)
Acme W. Hartmann, 1821 accepted as Acicula W. Hartmann, 1821 (basis of record)
Acroptychia Crosse & P. Fischer, 1877 (basis of record)
Acrotoma O. Boettger, 1881 (basis of record)
Acrotoma (Acrotoma) O. Boettger, 1881 represented as Acrotoma O. Boettger, 1881 (basis of record)
Acrotoma (Acrotomina) H. Nordsieck, 1977 represented as Acrotoma O. Boettger, 1881 (basis of record)
Acrotomini H. Nordsieck, 1979 (basis of record)
Actinella R. T. Lowe, 1852 (basis of record)
Actinella (Actinella) R. T. Lowe, 1852 represented as Actinella R. T. Lowe, 1852 (basis of record)
Actinella (Hispidella) R. T. Lowe, 1852 represented as Actinella R. T. Lowe, 1852 (basis of record)
Acusta E. von Martens, 1860 (basis of record)
Adamsiella (Adamsiellops) J. B. Henderson & Bartsch, 1920 represented as Adamsiella L. Pfeiffer, 1851 (basis of record)
Aegista Albers, 1850 (basis of record)
Aetholitis J. Stanisic, 2010 (basis of record)
Africarion Godwin-Austen, 1883 (basis of record)
Afristreptaxis Thiele, 1932 (basis of record)
Afroconulus Van Mol & van Bruggen, 1971 (basis of record)
Afrodonta Melvill & Ponsonby, 1908 (basis of record)
Afroguppya de Winter & van Bruggen, 1992 (basis of record)
Afropunctum F. Haas, 1934 (basis of record)
Afrorhytida Möllendorff, 1902 (basis of record)
Agathina J. B. Férussac, 1807 accepted as Achatina Lamarck, 1799 (basis of record)
Agathylla H. Adams & A. Adams, 1855 (basis of record)
Agathylla (Agathylla) H. Adams & A. Adams, 1855 represented as Agathylla H. Adams & A. Adams, 1855 (basis of record)
Agriolimacinae H. Wagner, 1935 (basis of record)
Agriolimax Mörch, 1865 accepted as Deroceras Rafinesque, 1820 (basis of record)
Ainohelix Kuroda & Taki, 1933 (basis of record)
Akramowskia H. Nordsieck, 1975 (basis of record)
Albersia H. Adams, 1865 (basis of record)
Albinaria (Albinaria) Vest, 1867 represented as Albinaria Vest, 1867 (basis of record)
Albinaria (Cerigana) O. Boettger, 1878 represented as Albinaria Vest, 1867 (basis of record)
Albinaria (Graeca) O. Boettger, 1877 represented as Albinaria Vest, 1867 (basis of record)
Alcadia J. E. Gray, 1840 (basis of record)
Alcadia (Alcadia) J. E. Gray, 1840 represented as Alcadia J. E. Gray, 1840 (basis of record)
Alcadia (Glyptalcadia) Boss & Jacobson, 1973 represented as Alcadia J. E. Gray, 1840 (basis of record)
Alcadia (Hjalmarsona) H. B. Baker, 1940 represented as Alcadia J. E. Gray, 1840 (basis of record)
Alcadia (Idesa) H. Adams & A. Adams, 1856 represented as Alcadia J. E. Gray, 1840 (basis of record)
Alcadia (Penisoltia) H. B. Baker, 1954 represented as Alcadia J. E. Gray, 1840 (basis of record)
Alinda H. Adams & A. Adams, 1855 (basis of record)
Alinda (Alinda) H. Adams & A. Adams, 1855 represented as Alinda H. Adams & A. Adams, 1855 (basis of record)
Alinda (Pseudalinda) O. Boettger, 1877 represented as Alinda H. Adams & A. Adams, 1855 (basis of record)
Allaegopis A. Riedel, 1979 (basis of record)
Allocoptis F. G. Thompson & Franz, 1976 (basis of record)
Allogenes Gude, 1911 (basis of record)
Allognathini Westerlund, 1903 (basis of record)
Allognathus (Iberellus) P. Hesse, 1908 accepted as Iberellus P. Hesse, 1908 (basis of record)
Allogona (Dysmedoma) Pilsbry, 1939 represented as Allogona Pilsbry, 1939 (basis of record)
Allogonini K. C. Emberton, 1995 (basis of record)
Allopeas H. B. Baker, 1935 (basis of record)
Alopia H. Adams & A. Adams, 1855 (basis of record)
Alopia (Alopia) H. Adams & A. Adams, 1855 represented as Alopia H. Adams & A. Adams, 1855 (basis of record)
Alopia (Kimakowiczia) Szekeres, 1969 represented as Alopia H. Adams & A. Adams, 1855 (basis of record)
Alopiinae A. J. Wagner, 1913 (basis of record)
Alopiini A. J. Wagner, 1913 (basis of record)
Alpinipupina J. Stanisic, 2010 (basis of record)
Altenaia Zilch, 1972 (basis of record)
Alteniella Clerx & E. Gittenberger, 1977 (basis of record)
Altidelos J. Stanisic, 2010 (basis of record)
Alycaeinae W. T. Blanford, 1864 accepted as Alycaeidae W. T. Blanford, 1864 (basis of record)
Amalia Moquin-Tandon, 1855 accepted as Milax J. E. Gray, 1855 (basis of record)
Amastra (Amastra) H. Adams & A. Adams, 1855 represented as Amastra H. Adams & A. Adams, 1855 (basis of record)
Amastra (Heteramastra) Pilsbry, 1911 represented as Amastra H. Adams & A. Adams, 1855 (basis of record)
Amatarion Van Mol, 1970 (basis of record)
Amborhytida Climo, 1974 (basis of record)
Amenixesta Iredale, 1941 (basis of record)
Ammonitella J. G. Cooper, 1869 (basis of record)
Ampelita H. Beck, 1837 (basis of record)
Ampelita (Vescona) K. C. Emberton, 1990 represented as Ampelita H. Beck, 1837 (basis of record)
Ampelita (Xystera) K. C. Emberton, 1990 represented as Ampelita H. Beck, 1837 (basis of record)
Amphibulima Lamarck, 1805 (basis of record)
Amphicoelina Zilch, 1960 (basis of record)
Amphicyclotinae Kobelt & Möllendorff, 1897 (basis of record)
Amphicyclotulus Kobelt, 1912 (basis of record)
Amphicyclotulus (Amphicyclotulus) Kobelt, 1912 represented as Amphicyclotulus Kobelt, 1912 (basis of record)
Amphicyclotulus (Cycloblandia) Bartsch, 1942 represented as Amphicyclotulus Kobelt, 1912 (basis of record)
Amphicyclotus Crosse & P. Fischer, 1879 (basis of record)
Amphidoxa Albers, 1850 (basis of record)
Amphiscopus Westerlund, 1887 (basis of record)
Amphorella R. T. Lowe, 1852 (basis of record)
Amphorella (Amphorella) R. T. Lowe, 1852 represented as Amphorella R. T. Lowe, 1852 (basis of record)
Amphorella (Fusillus) R. T. Lowe, 1852 represented as Amphorella R. T. Lowe, 1852 (basis of record)
Anadeninus Simroth, 1912 (basis of record)
Anadeninus (Anadeninus) Simroth, 1912 represented as Anadeninus Simroth, 1912 (basis of record)
Anadeninus (Neoanadenus) Wiktor, D.-N. Chen & M. Wu, 2000 represented as Anadeninus Simroth, 1912 (basis of record)
Anadeninus (Vietanadenus) Kuzminykh & Schileyko, 2005 represented as Anadeninus Simroth, 1912 (basis of record)
Anadenulus T. D. A. Cockerell, 1890 (basis of record)
Anadenus Heynemann, 1863 (basis of record)
Anadenus (Anadenus) Heynemann, 1863 represented as Anadenus Heynemann, 1863 (basis of record)