Traits Taxon list
Aclisina striatula (de Koninck, 1843) †
Acremodonta crassicosta (A. W. B. Powell, 1937)
Acremodontina alazon (Hedley, 1905)
Acremodontina atypica (A. W. B. Powell, 1937)
Acremodontina balcombiana B. A. Marshall, 1995 †
Acremodontina boucheti B. A. Marshall, 1995
Acremodontina carinata (A. W. B. Powell, 1940)
Acremodontina kermadecensis B. A. Marshall, 1995
Acremodontina magna B. A. Marshall, 1995
Acremodontina maxwelli B. A. Marshall, 1995 †
Acremodontina poutama (E. C. Smith, 1962)
Acremodontina simplex (A. W. B. Powell, 1937)
Acremodontina translucida (May, 1915)
Acremodontina varicosa B. A. Marshall, 1995
Addisonia brophyi J. H. McLean, 1985
Addisonia enodis Simone, 1996
Addisonia excentrica (Tiberi, 1855)
Adeuomphalus ammoniformis G. Seguenza, 1876
Adeuomphalus axistriatus Hoffman, Gofas & Freiwald, 2020
Adeuomphalus bandeli (Schröder, 1995) †
Adeuomphalus collinsi Kano, Chikyu & Warén, 2009
Adeuomphalus crenulatus (A. W. B. Powell, 1937)
Adeuomphalus curvistriatus Hoffman, Gofas & Freiwald, 2020
Adeuomphalus densicostatus (Jeffreys, 1884)
Adeuomphalus diegoalejandroi Fernández-Garcés, Rubio & Rolán, 2019
Adeuomphalus elegans Kano, Chikyu & Warén, 2009
Adeuomphalus guillei Kano, Chikyu & Warén, 2009
Adeuomphalus misaeli Fernández-Garcés, Rubio & Rolán, 2019
Adeuomphalus orientalis (Thiele, 1925)
Adeuomphalus sinuosus (Sykes, 1925)
Adeuomphalus trochanter Warén & Bouchet, 2001
Adeuomphalus valentinae Fernández-Garcés, Rubio & Rolán, 2019
Adeuomphalus xerente Absalão, 2009
Aechmospira norma X.-D. Qiao, 1983 †
Aenigmabonus kurilokamtschaticus Moskalev, 1978
Aequispirella bifurcata (P. A. Maxwell, 1992) †
Aequispirella corula (F. W. Hutton, 1885)
Aequispirella enderbyensis (A. W. B. Powell, 1931)
Aequispirella finlayi (A. W. B. Powell, 1933)
Aequispirella iredalei (H. J. Finlay, 1924) †
Aequispirella kaawaensis (Laws, 1940) †
Aequispirella tenuilirata (H. J. Finlay, 1924) †
Afrollonia vilcassina Pacaud, 2017 †
Agagus agagus Jousseaume, 1894
Agagus stellamaris D. G. Herbert, 1991
Agariste compressa (Cantraine, 1835) †
Agariste juliencilisi Landau, Marquet & Grigis, 2003 †
Agariste phrygium (D. G. Herbert & Kilburn, 1986)
Agathistoma antiqua S. N. Nielsen, Frassinetti & Bandel, 2004 †
Agathistoma fasciatum (Born, 1778)
Agathistoma hotessierianum (d'Orbigny, 1842)
Agathistoma lividomaculatum (C. B. Adams, 1845)
Agathistoma nordestinum Dornellas, Graboski, Hellberg & Lotufo, 2021
Agathistoma viridulum (Gmelin, 1791)
Agathodonta africana (Rennie, 1930) †
Agathodonta dentigera (A. d'Orbigny, 1842) †
Agathodonta elegans (Deshayes, 1842) † accepted as Agathodonta dentigera (A. d'Orbigny, 1842) †
Akoya akoya (Kuroda, 1942)
Akoya platinum (Dall, 1890)
Akritogyra conspicua (Monterosato, 1880)
Akritogyra curvilineata Warén, 1992
Akritogyra helicella Warén, 1993
Akritogyra similis (Jeffreys, 1883)
Alaionema kyrgyzensis Gubanov, Blodgett & Lytochkin, 1995 †
Alcyna acia Cotton, 1948
Alcyna australis Hedley, 1907
Alcyna exigua (A. Gould, 1861)
Alcyna kingensis (Gabriel, 1956)
Alcyna lifuensis Melvill & Standen, 1896
Alcyna lucida (H. Adams, 1868)
Alcyna ocellata A. Adams, 1860
Alcyna subangulata Pease, 1861
Altotomaria reticulata Ketwetsuriya, Karapunar, Charoentitirat & Nützel, 2020 †
Altrix altior (O. Meyer & Aldrich, 1886) †
Altrix caminata (Darragh, 1997) †
Altrix leesi (Sohl, 1992) †
Altrix trifolium (Dall, 1881)
Amberleya (Eucyclus) acuminata (A. d'Orbigny, 1842) † accepted as Eucyclus acuminatus (A. d'Orbigny, 1842) †
Amberleya (Eucyclus) chassyana (A. d'Orbigny, 1842) † accepted as Eucyclus chassyanus (A. d'Orbigny, 1842) †
Amberleya (Eucyclus) desvoidyi (A. d'Orbigny, 1842) † accepted as Eucyclus desvoidyi (A. d'Orbigny, 1842) †
Amberleya (Eucyclus) marollina (A. d'Orbigny, 1842) † accepted as Eucyclus marollinus (A. d'Orbigny, 1842) †
Amberleya (Eucyclus) royana (A. d'Orbigny, 1842) † accepted as Eucyclus royanus (A. d'Orbigny, 1842) †
Amberleya angusta Cossmann, 1885 † (uncertain > unassessed )
Amberleya armigera Lycett, 1863 † (uncertain > unassessed )
Amberleya bathonica L. R. Cox & Arkell, 1950 †
Amberleya bezanconi Cossmann, 1888 † accepted as Eucyclus bezanconi (Cossmann, 1888) †
Amberleya cretacea Beisel, 1983 †
Amberleya torosa Marwick, 1953 †
Amberleya zealandica Trechmann, 1923 †
Amblychilepas acra (Cotton, 1947) †
Amblychilepas compressa (Thiele, 1930)
Amblychilepas crucis (C. E. Beddome, 1883)
Amblychilepas javanicensis (Lamarck, 1822)
Amblychilepas nigrita (G. B. Sowerby I, 1835)
Amblychilepas oblonga (Menke, 1843)
Amblychilepas omicron (Crosse & P. Fischer, 1864)
Amblychilepas platyactis J. H. McLean & Kilburn, 1986
Amonilea crescens (T. Fuchs, 1870) †
Amonilea mitis (Deshayes, 1863) †
Amonilea parnensis (Bayan, 1870) †