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 (Pintoa) Bourguignat, 1890 represented as Achatina Lamarck, 1799 (basis of record)
Acheronopa Hyman & J. Stanisic, 2005 (basis of record)
Acicula W. Hartmann, 1821 (basis of record)
Acroptychia Crosse & P. Fischer, 1877 (basis of record)
Acrotoma (Acrotoma) O. Boettger, 1881 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)
Adamsiella (Adamsiellops) J. B. Henderson & Bartsch, 1920 represented as Adamsiella L. Pfeiffer, 1851 (basis of record)
Aetholitis J. Stanisic, 2010 (basis of record)
Afristreptaxis Thiele, 1932 (basis of record)
Afroconulus Van Mol & van Bruggen, 1971 (basis of record)
Agriolimacinae H. Wagner, 1935 (basis of record)
Agriolimax Mörch, 1865 accepted as Deroceras Rafinesque, 1820 (basis of record)
Ainohelix Kuroda & Iw. Taki, 1933 (basis of record)
Albinaria (Albinaria) Vest, 1867 represented as Albinaria Vest, 1867 (basis of record)
Albinaria (Graeca) O. Boettger, 1877 represented as Albinaria Vest, 1867 (basis of record)
Alcadia (Penisoltia) H. B. Baker, 1954 represented as Alcadia J. E. Gray, 1840 (basis of record)
Allaegopis A. Riedel, 1979 (basis of record)
Allocoptis F. G. Thompson & R. Franz, 1976 (basis of record)
Allognathini Westerlund, 1903 (basis of record)
Allognathus (Allognathus) Pilsbry, 1888 represented as Allognathus Pilsbry, 1888 (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)
Alopiinae 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)
Amalia Moquin-Tandon, 1855 accepted as Milax J. E. Gray, 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 (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)
Amphicyclotinae Kobelt & Möllendorff, 1897 (basis of record)
Amphicyclotulus (Cycloblandia) Bartsch, 1942 represented as Amphicyclotulus Kobelt, 1912 (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)
Anadenus Heynemann, 1863 (basis of record)
Anadenus (Anadenus) Heynemann, 1863 represented as Anadenus Heynemann, 1863 (basis of record)
Anadenus (Sagarmathia) Kuzminykh & Schileyko, 2005 represented as Anadenus Heynemann, 1863 (basis of record)
Anatolya Páll-Gergely & Bank, 2016 (basis of record)
Anauchen Pilsbry, 1917 (basis of record)
Ancotrema H. B. Baker, 1931 (basis of record)
Andinia Poliński, 1922 (basis of record)
Andiniastra H. Nordsieck, 2005 (basis of record)
Andiniella Weyrauch, 1958 (basis of record)
Anguispira E. S. Morse, 1864 (basis of record)
Anguispira (Anguispira) E. S. Morse, 1864 represented as Anguispira E. S. Morse, 1864 (basis of record)
Anguispira (Zonodiscus) Pilsbry, 1948 represented as Anguispira E. S. Morse, 1864 (basis of record)
Angustivestis Pilsbry, 1919 (basis of record)
Anixa Pilsbry, 1895 (basis of record)
Ankoravaratra K. C. Emberton, 2002 (basis of record)
Annabellia Shea & O. L. Griffiths, 2010 (basis of record)
Annularia (Jamaicia) C. B. Adams, 1850 represented as Annularia Schumacher, 1817 (basis of record)
Annularisca (Annularella) J. B. Henderson & Bartsch, 1920 represented as Annularisca J. B. Henderson & Bartsch, 1920 (basis of record)
Annularisca (Annularisca) J. B. Henderson & Bartsch, 1920 represented as Annularisca J. B. Henderson & Bartsch, 1920 (basis of record)
Annularisca (Annularosa) J. B. Henderson & Bartsch, 1920 represented as Annularisca J. B. Henderson & Bartsch, 1920 (basis of record)
Annularisca (Chondropomatus) J. B. Henderson & Bartsch, 1920 represented as Annularisca J. B. Henderson & Bartsch, 1920 (basis of record)
Annularita J. B. Henderson & Bartsch, 1920 (basis of record)
Annularodes J. B. Henderson & Bartsch, 1920 (basis of record)
Annularops J. B. Henderson & Bartsch, 1920 (basis of record)
Anoma Albers, 1850 (basis of record)
Anostoma Fischer von Waldheim, 1807 (basis of record)
Antroapiculus Panha & J. B. Burch, 2002 accepted as Hypselostoma W. H. Benson, 1856 (basis of record)
Aperostoma (Cyclohidalgoa) Bartsch, 1942 represented as Aperostoma Troschel, 1847 (basis of record)
Aphanoconia A. J. Wagner, 1905 (basis of record)
Aposcutalus Dutra & Leme, 1985 (basis of record)
Arabivitrina Thiele, 1931 (basis of record)
Araboxychilus A. Riedel, 1977 (basis of record)
Arangia Pilsbry & Vanatta, 1898 (basis of record)
Araucocharopa Miquel & Cádiz Lorca, 2008 (basis of record)
Archachatina Albers, 1850 (basis of record)
Archachatina (Calachatina) Pilsbry, 1919 represented as Archachatina Albers, 1850 (basis of record)
Archachatina (Megachatinopsis) Bequaert & Clench, 1936 represented as Archachatina Albers, 1850 (basis of record)
Archachatina (Tholachatina) Bequaert, 1950 accepted as Cochlitoma A. Férussac, 1821 (basis of record)
Archaica (Nanaja) Schileyko, 1978 represented as Archaica Schileyko, 1970 (basis of record)
Archaicini Schileyko, 1978 (basis of record)
Archecharax F. G. Thompson, 1980 (basis of record)
Archegocoptis Pilsbry, 1903 (basis of record)
Arinia (Leucarinia) Möllendorff, 1893 represented as Arinia H. Adams & A. Adams, 1856 (basis of record)
Arion (Kobeltia) Seibert, 1873 represented as Arion A. Férussac, 1819 (basis of record)
Ariophanta Des Moulins, 1829 (basis of record)
Ariophantopsis B. Rensch, 1930 (basis of record)