MolluscaBase taxon details

Helicidae Rafinesque, 1815

153968  (urn:lsid:marinespecies.org:taxname:153968)

accepted
Family
Subfamily Ariantinae Mörch, 1864
  » Genus Agalactochilus Kadolsky, H. Binder & Neubauer, 2016 †
  » Genus Arianta W. Turton, 1831
    » Species Arianta aethyops (M. Bielz, 1851)
    » Species Arianta arbustorum (Linnaeus, 1758)
    » Species Arianta chamaeleon (L. Pfeiffer, 1868)
    » Species Arianta frangepanii (Kormos, 1906)
    » Species Arianta hessei (M. Kimakowicz, 1883)
    » Species Arianta picea (Rossmässler, 1837)
    » Species Arianta schmidtii (Rossmässler, 1836)
    » Species Arianta stenzii (Rossmässler, 1835)
    » Species Arianta xatartii (Farines, 1834)
  » Genus Campylaea H. Beck, 1837
    » Subgenus Campylaea (Cattania) Brusina, 1908
    » Subgenus Campylaea (Wladislawia) A.J. Wagner, 1928
    » Species Campylaea doderleiniana (Monterosato, 1869) †
    » Species Campylaea hirta (Menke, 1830)
    » Species Campylaea illyrica (Stabile, 1864)
    » Species Campylaea lefeburiana (A. Férussac, 1821)
    » Species Campylaea ljubetenensis (A. J. Wagner, 1914)
    » Species Campylaea macrostoma (Rossmässler, 1837)
    » Species Campylaea padana (Stabile, 1864)
    » Species Campylaea planospira (Lamarck, 1822)
    » Species Campylaea sadleriana (Rossmässler, 1838)
    » Species Campylaea trizona (Rossmässler, 1834)
    » Subgenus Campylaea (Allolaemus) Pilsbry, 1895 † represented as Campylaea H. Beck, 1837
    » Subgenus Campylaea (Ariantopsis) A.J. Wagner, 1928 represented as Campylaea H. Beck, 1837
    » Subgenus Campylaea (Campylaea) Beck, 1837 represented as Campylaea H. Beck, 1837
      » Species Campylaea (Campylaea) planospira (Lamarck, 1822) represented as Campylaea planospira (Lamarck, 1822)
      » Species Campylaea (Campylaea) buresi A.J. Wagner, 1928 accepted as Cattania (Cattania) balcanica (L. Pfeiffer, 1853) (junior synonym)
      » Species Campylaea (Campylaea) fabarensis (Tuccimei, 1889) † accepted as Tacheocampylaea fabarensis (Tuccimei, 1889) †
    » Subgenus Campylaea (Cattaniella) Groenenberg, Subai & E. Gittenberger, 2016 represented as Campylaea H. Beck, 1837
    » Subgenus Campylaea (Oricampylaea) Groenenberg, Subai & Gittenberger, 2016 represented as Campylaea H. Beck, 1837
      » Species Campylaea (Oricampylaea) hirta (Menke, 1830) represented as Campylaea hirta (Menke, 1830)
      » Species Campylaea (Oricampylaea) illyrica (Stabile, 1864) represented as Campylaea illyrica (Stabile, 1864)
      » Species Campylaea (Oricampylaea) lefeburiana (A. Férussac, 1821) represented as Campylaea lefeburiana (A. Férussac, 1821)
      » Species Campylaea (Oricampylaea) ljubetenensis (A. J. Wagner, 1914) represented as Campylaea ljubetenensis (A. J. Wagner, 1914)
      » Species Campylaea (Oricampylaea) macrostoma (Rossmässler, 1837) represented as Campylaea macrostoma (Rossmässler, 1837)
      » Species Campylaea (Oricampylaea) padana (Stabile, 1864) represented as Campylaea padana (Stabile, 1864)
      » Species Campylaea (Oricampylaea) sadleriana (Rossmässler, 1838) represented as Campylaea sadleriana (Rossmässler, 1838)
    » Subgenus Campylaea (Dinarica) Kobelt, 1902 accepted as Dinarica Kobelt, 1902
    » Subgenus Campylaea (Liburnica) Kobelt, 1904 accepted as Liburnica Kobelt, 1904
  » Genus Campylaeopsis A.J. Wagner, 1914
  » Genus Cattania Brusina, 1904
    » Species Cattania apfelbecki (Sturany, 1901)
    » Species Cattania ardica Dedov & Subai, 2006
    » Species Cattania balcanica (L. Pfeiffer, 1853)
    » Species Cattania faueri (Subai, 1990)
    » Species Cattania haberhaueri (Sturany, 1897)
    » Species Cattania ista A. Reischütz, N. Steiner-Reischütz & P.L. Reischütz, 2016
    » Species Cattania kattingeri (Knipper, 1939)
    » Species Cattania maranajensis (A. J. Wagner, 1914)
    » Species Cattania olympica (Roth, 1855)
    » Species Cattania pelia (P. Hesse, 1912)
    » Species Cattania petrovici (A. J. Wagner, 1914)
    » Species Cattania polinskii (A. J. Wagner, 1928)
    » Species Cattania pseudocingulata (A. J. Wagner, 1914)
    » Species Cattania rumelica (Rossmässler, 1838)
    » Species Cattania subaii (Fauer, 1991)
    » Species Cattania sztolcmani (A. J. Wagner, 1928)
    » Species Cattania thateensis (Subai, 2012)
    » Species Cattania trizona (Rossmässler, 1835)
    » Species Cattania zebiana (Sturany, 1907)
    » Subgenus Cattania (Ariantopsis) A. J. Wagner, 1928 represented as Cattania Brusina, 1904
    » Subgenus Cattania (Cattania) Brusina, 1904 represented as Cattania Brusina, 1904
      » Species Cattania (Cattania) ardica Dedov & Subai, 2006 represented as Cattania ardica Dedov & Subai, 2006
      » Species Cattania (Cattania) balcanica (L. Pfeiffer, 1853) represented as Cattania balcanica (L. Pfeiffer, 1853)
      » Species Cattania (Cattania) faueri (Subai, 1990) represented as Cattania faueri (Subai, 1990)
      » Species Cattania (Cattania) haberhaueri (Sturany, 1897) represented as Cattania haberhaueri (Sturany, 1897)
      » Species Cattania (Cattania) ista A. Reischütz, N. Steiner-Reischütz & P.L. Reischütz, 2016 represented as Cattania ista A. Reischütz, N. Steiner-Reischütz & P.L. Reischütz, 2016
      » Species Cattania (Cattania) kattingeri (Knipper, 1939) represented as Cattania kattingeri (Knipper, 1939)
      » Species Cattania (Cattania) maranajensis (A. J. Wagner, 1914) represented as Cattania maranajensis (A. J. Wagner, 1914)
      » Species Cattania (Cattania) petrovici (A. J. Wagner, 1914) represented as Cattania petrovici (A. J. Wagner, 1914)
      » Species Cattania (Cattania) pseudocingulata (A. J. Wagner, 1914) represented as Cattania pseudocingulata (A. J. Wagner, 1914)
      » Species Cattania (Cattania) rumelica (Rossmässler, 1838) represented as Cattania rumelica (Rossmässler, 1838)
      » Species Cattania (Cattania) subaii (Fauer, 1991) represented as Cattania subaii (Fauer, 1991)
      » Species Cattania (Cattania) trizona (Rossmässler, 1835) represented as Cattania trizona (Rossmässler, 1835)
    » Subgenus Cattania (Cattaniella) Groenenberg, Subai & Gittenberger, 2016 represented as Cattania Brusina, 1904
    » Subgenus Cattania (Wladislawia) A. J. Wagner, 1928 represented as Cattania Brusina, 1904
  » Genus Causa Schileyko, 1971
  » Genus Chilostoma Fitzinger, 1833
    » Species Chilostoma achates (Rossmässler, 1835)
    » Species Chilostoma adelozona (Strobel, 1857)
    » Species Chilostoma cingulatum (Studer, 1820)
      » Subspecies Chilostoma cingulatum adamii (Pini, 1876)
      » Subspecies Chilostoma cingulatum alzonai K. L. Pfeiffer, 1951
      » Subspecies Chilostoma cingulatum anauniense (De Betta, 1852)
      » Subspecies Chilostoma cingulatum anconae (Gentiluomo, 1868)
      » Subspecies Chilostoma cingulatum appelii (Kobelt, 1876)
      » Subspecies Chilostoma cingulatum asperulum (Ehrmann, 1910)
      » Subspecies Chilostoma cingulatum baldense (Rossmässler, 1839)
      » Subspecies Chilostoma cingulatum bizona (Rossmässler, 1842)
      » Subspecies Chilostoma cingulatum boccavallense K. L. Pfeiffer, 1951
      » Subspecies Chilostoma cingulatum carrarense (Strobel, 1852)
      » Subspecies Chilostoma cingulatum colubrinum (De Cristofori & Jan, 1832)
      » Subspecies Chilostoma cingulatum frigidescens (Del Prete, 1879)
      » Subspecies Chilostoma cingulatum frigidissimum (Paulucci, 1881)
      » Subspecies Chilostoma cingulatum frigidosum (Pollonera, 1890)
      » Subspecies Chilostoma cingulatum gobanzi (Frauenfeld, 1867)
      » Subspecies Chilostoma cingulatum hermesianum (Pini, 1874)
      » Subspecies Chilostoma cingulatum infernale (P. Hesse, 1931)
      » Subspecies Chilostoma cingulatum insubricum (De Cristofori & Jan, 1832)
      » Subspecies Chilostoma cingulatum medoacense (Adami, 1886)
      » Subspecies Chilostoma cingulatum montanum (Paulucci, 1881)
      » Subspecies Chilostoma cingulatum nicatis (Costa, 1836)
      » Subspecies Chilostoma cingulatum nicolisianum (Adami, 1886)
      » Subspecies Chilostoma cingulatum peregrini Falkner, 1998
      » Subspecies Chilostoma cingulatum philippii (Kobelt, 1905)
      » Subspecies Chilostoma cingulatum preslii (Rossmässler, 1836)
      » Subspecies Chilostoma cingulatum sentinense (Piersanti, 1833)
      » Subspecies Chilostoma cingulatum transiens (Adami, 1886)
    » Species Chilostoma frigidum (De Cristofori & Jan, 1832)
    » Species Chilostoma millieri (Bourguignat, 1880)
    » Species Chilostoma tigrinum (De Cristofori & Jan, 1832)
    » Species Chilostoma zonatum (S. Studer, 1820)
    » Subgenus Chilostoma (Achatica) Groenenberg, Subai & Gittenberger, 2016 represented as Chilostoma Fitzinger, 1833
    » Subgenus Chilostoma (Chilostoma) Fitzinger, 1833 represented as Chilostoma Fitzinger, 1833
      » Species Chilostoma (Chilostoma) adelozona (Strobel, 1857) represented as Chilostoma adelozona (Strobel, 1857)
      » Species Chilostoma (Chilostoma) frigidum (De Cristofori & Jan, 1832) represented as Chilostoma frigidum (De Cristofori & Jan, 1832)
      » Species Chilostoma (Chilostoma) millieri (Bourguignat, 1880) represented as Chilostoma millieri (Bourguignat, 1880)
      » Species Chilostoma (Chilostoma) tigrinum (De Cristofori & Jan, 1832) represented as Chilostoma tigrinum (De Cristofori & Jan, 1832)
      » Species Chilostoma (Chilostoma) zonatum (S. Studer, 1820) represented as Chilostoma zonatum (S. Studer, 1820)
    » Subgenus Chilostoma (Cingulifera) Held, 1838 represented as Chilostoma Fitzinger, 1833
      » Species Chilostoma (Cingulifera) cingulatum (S. Studer, 1820) represented as Chilostoma cingulatum (Studer, 1820)
        » Subspecies Chilostoma (Cingulifera) cingulatum adamii (Pini, 1876) represented as Chilostoma cingulatum adamii (Pini, 1876)
        » Subspecies Chilostoma (Cingulifera) cingulatum alzonai K. L. Pfeiffer, 1951 represented as Chilostoma cingulatum alzonai K. L. Pfeiffer, 1951
        » Subspecies Chilostoma (Cingulifera) cingulatum anauniense (De Betta, 1852) represented as Chilostoma cingulatum anauniense (De Betta, 1852)
        » Subspecies Chilostoma (Cingulifera) cingulatum anconae (Gentiluomo, 1868) represented as Chilostoma cingulatum anconae (Gentiluomo, 1868)
        » Subspecies Chilostoma (Cingulifera) cingulatum appelii (Kobelt, 1876) represented as Chilostoma cingulatum appelii (Kobelt, 1876)
        » Subspecies Chilostoma (Cingulifera) cingulatum asperulum (Ehrmann, 1910) represented as Chilostoma cingulatum asperulum (Ehrmann, 1910)
        » Subspecies Chilostoma (Cingulifera) cingulatum baldense (Rossmässler, 1839) represented as Chilostoma cingulatum baldense (Rossmässler, 1839)
        » Subspecies Chilostoma (Cingulifera) cingulatum bizona (Rossmässler, 1842) represented as Chilostoma cingulatum bizona (Rossmässler, 1842)
        » Subspecies Chilostoma (Cingulifera) cingulatum boccavallense K. L. Pfeiffer, 1951 represented as Chilostoma cingulatum boccavallense K. L. Pfeiffer, 1951
        » Subspecies Chilostoma (Cingulifera) cingulatum carrarense (Strobel, 1852) represented as Chilostoma cingulatum carrarense (Strobel, 1852)
        » Subspecies Chilostoma (Cingulifera) cingulatum cingulatum (S. Studer, 1820) represented as Chilostoma (Cingulifera) cingulatum (S. Studer, 1820)
        » Subspecies Chilostoma (Cingulifera) cingulatum colubrinum (De Cristofori & Jan, 1832) represented as Chilostoma cingulatum colubrinum (De Cristofori & Jan, 1832)
        » Subspecies Chilostoma (Cingulifera) cingulatum frigidescens (Del Prete, 1879) represented as Chilostoma cingulatum frigidescens (Del Prete, 1879)
        » Subspecies Chilostoma (Cingulifera) cingulatum frigidissimum (Paulucci, 1881) represented as Chilostoma cingulatum frigidissimum (Paulucci, 1881)
        » Subspecies Chilostoma (Cingulifera) cingulatum frigidosum (Pollonera, 1890) represented as Chilostoma cingulatum frigidosum (Pollonera, 1890)
        » Subspecies Chilostoma (Cingulifera) cingulatum gobanzi (Frauenfeld, 1867) represented as Chilostoma cingulatum gobanzi (Frauenfeld, 1867)
        » Subspecies Chilostoma (Cingulifera) cingulatum hermesianum (Pini, 1874) represented as Chilostoma cingulatum hermesianum (Pini, 1874)
        » Subspecies Chilostoma (Cingulifera) cingulatum infernale (P. Hesse, 1931) represented as Chilostoma cingulatum infernale (P. Hesse, 1931)
        » Subspecies Chilostoma (Cingulifera) cingulatum insubricum (De Cristofori & Jan, 1832) represented as Chilostoma cingulatum insubricum (De Cristofori & Jan, 1832)
        » Subspecies Chilostoma (Cingulifera) cingulatum medoacense (Adami, 1886) represented as Chilostoma cingulatum medoacense (Adami, 1886)
        » Subspecies Chilostoma (Cingulifera) cingulatum montanum (Paulucci, 1881) represented as Chilostoma cingulatum montanum (Paulucci, 1881)
        » Subspecies Chilostoma (Cingulifera) cingulatum nicatis (Costa, 1836) represented as Chilostoma cingulatum nicatis (Costa, 1836)
        » Subspecies Chilostoma (Cingulifera) cingulatum nicolisianum (Adami, 1886) represented as Chilostoma cingulatum nicolisianum (Adami, 1886)
        » Subspecies Chilostoma (Cingulifera) cingulatum peregrini Falkner, 1998 represented as Chilostoma cingulatum peregrini Falkner, 1998
        » Subspecies Chilostoma (Cingulifera) cingulatum philippii (Kobelt, 1905) represented as Chilostoma cingulatum philippii (Kobelt, 1905)
        » Subspecies Chilostoma (Cingulifera) cingulatum preslii (Rossmässler, 1836) represented as Chilostoma cingulatum preslii (Rossmässler, 1836)
        » Subspecies Chilostoma (Cingulifera) cingulatum sentinense (Piersanti, 1833) represented as Chilostoma cingulatum sentinense (Piersanti, 1833)
        » Subspecies Chilostoma (Cingulifera) cingulatum transiens (Adami, 1886) represented as Chilostoma cingulatum transiens (Adami, 1886)
    » Subgenus Chilostoma (Drobacia) Brusina, 1904 accepted as Drobacia Brusina, 1904
    » Species Chilostoma faueri Subai, 1990 accepted as Cattania faueri (Subai, 1990) (original combination)
    » Species Chilostoma reischuetzi Subai, 1990 accepted as Josephinella reischuetzi (Subai, 1990) (original combination)
    » Species Chilostoma vikosensis Subai, 1990 accepted as Josephinella vikosensis (Subai, 1990) (original combination)
  » Genus Corneola Held, 1838
  » Genus Cylindrus Fitzinger, 1833
  » Genus Delphinatia P. Hesse, 1931
  » Genus Dinarica Kobelt, 1902
    » Species Dinarica pouzolzii (Deshayes, 1832)
    » Species Dinarica serbica (Kobelt, 1872)
    » Species Dinarica stenomphala (Menke, 1830)
    » Subgenus Dinarica (Dinarica) Kobelt, 1902 represented as Dinarica Kobelt, 1902
    » Subgenus Dinarica (Sabljaria) Brusina, 1904 represented as Dinarica Kobelt, 1902
  » Genus Drobacia Brusina, 1904
  » Genus Faustina Kobelt, 1904
  » Genus Helicigona A. Férussac, 1821
    » Species Helicigona atava Wenz, 1927 †
    » Species Helicigona chaignoni (Locard, 1888) †
    » Species Helicigona lapicida (Linnaeus, 1758)
    » Species Helicigona planata Binder, 2002 †
    » Species Helicigona schwarzbachi Schlickum & Strauch, 1979 †
    » Species Helicigona wenzi Soós, 1934 †
    » Subgenus Helicigona (Helicigona) A. Férussac, 1821 represented as Helicigona A. Férussac, 1821
    » Subgenus Helicigona (Arianta) W. Turton, 1831 accepted as Arianta W. Turton, 1831
      » Species Helicigona (Arianta) braueri A.J. Wagner, 1914 accepted as Cattania (Cattaniella) apfelbecki bindzaensis (Sturany, 1909) (junior synonym)
      » Species Helicigona (Arianta) duboisi (Baily, 1858) † accepted as Helix duboisii Baily, 1858 † (classification uncertain; incorrect subsequent spelling)
      » Species Helicigona (Arianta) ljubetensis A. J. Wagner, 1914 accepted as Campylaea ljubetenensis (A. J. Wagner, 1914) (original combination)
    » Subgenus Helicigona (Cattania) Brusina, 1904 accepted as Cattania Brusina, 1904 (superseded generic combination)
      » Species Helicigona (Cattania) phocaea accepted as Josephinella phocaea (Roth, 1855)
        » Subspecies Helicigona (Cattania) phocaea jakupicae Urbanski, 1979 accepted as Liburnica jakupicae (Urbański, 1979) (original combination)
    » Subgenus Helicigona (Chilostoma) Fitzinger, 1833 accepted as Chilostoma Fitzinger, 1833
    » Subgenus Helicigona (Drobacia) Brusina, 1904 accepted as Drobacia Brusina, 1904
    » Subgenus Helicigona (Liburnica) Kobelt, 1904 accepted as Liburnica Kobelt, 1904 (invalid combination)
      » Species Helicigona (Liburnica) harpya Subai, 1995 accepted as Liburnica harpya (Subai, 1995) (original combination)
    » Subgenus Helicigona (Metacampylaea) Pilsbry, 1895 † accepted as Metacampylaea Pilsbry, 1895 † (original rank)
    » Subgenus Helicigona (Thiessea) Kobelt, 1904 accepted as Thiessea Kobelt, 1904 (superseded generic combination)
      » Species Helicigona (Thiessea) cyclolabris (Deshayes, 1839) accepted as Thiessea cyclolabris (Deshayes, 1839) (superseded generic combination)
        » Subspecies Helicigona (Thiessea) cyclolabris valkanovi Urbanski, 1960 accepted as Thiessea valkanovi (Urbański, 1960) (original combination)
      » Species Helicigona (Thiessea) melpomene Subai, 1996 accepted as Thiessea melpomene (Subai, 1996) (original combination)
    » Species Helicigona ljubetenensis A.J. Wagner, 1914 accepted as Campylaea ljubetenensis (A. J. Wagner, 1914)
    » Species Helicigona skipetaricus Subai, 1995 accepted as Liburnica skipetarica (Subai, 1995) (original combination)
    » Species Helicigona stenomphala (Menke, 1830) accepted as Dinarica stenomphala (Menke, 1830)
      » Subspecies Helicigona stenomphala albanica Jaeckel, 1954 (taxon inquirendum)
  » Genus Isognomostoma Fitzinger, 1833
  » Genus Josephinella F. Haas, 1936
    » Species Josephinella argentellei (Kobelt, 1872)
    » Species Josephinella brenskei (O. Boettger, 1883)
    » Species Josephinella byshekensis (Knipper, 1941)
    » Species Josephinella choristochila (O. Boettger, 1886)
    » Species Josephinella comephora (Bourguignat, 1858)
    » Species Josephinella conemenosi (O. Boettger, 1885)
    » Species Josephinella edlaueri Knipper, 1941
    » Species Josephinella eliaca (Kobelt, 1893)
    » Species Josephinella fuchsi (Knipper, 1939)
    » Species Josephinella hemonica (Thiesse, 1884)
    » Species Josephinella krueperi (O. Boettger, 1891)
    » Species Josephinella lefeburiana (A. Férussac, 1821)
    » Species Josephinella phocaea (Roth, 1855)
    » Species Josephinella reischuetzi (Subai, 1990)
    » Species Josephinella renschi (Knipper, 1939)
    » Species Josephinella subzonata (Mousson, 1859)
    » Species Josephinella vikosensis (Subai, 1990)
    » Species Josephinella dehmi Schlickum, 1977 † accepted as Paradrobacia dehmi (Schlickum, 1977) † (new combination)
    » Species Josephinella pontica Schütt, 1976 † accepted as Paradrobacia pontica (Schütt, 1976) † (new combination)
    » Species Josephinella thiedei Schlickum & Strauch, 1972 † accepted as Paradrobacia thiedei (Schlickum & Strauch, 1972) † (new combination)
  » Genus Kollarix Groenenberg, Subai & E. Gittenberger, 2016
  » Genus Kosicia Brusina, 1904
  » Genus Liburnica Kobelt, 1904
    » Subgenus Liburnica (Superba) Subai & Fehér, 2006
    » Species Liburnica albanograeca (Subai, 1995)
    » Species Liburnica crinita (Strobel, 1854)
    » Species Liburnica denudata (Rossmässler, 1836)
    » Species Liburnica dochii (Sturany, 1907)
    » Species Liburnica dunjana (Knipper, 1941)
    » Species Liburnica grisea (Subai & Fehér, 2006)
    » Species Liburnica harpya (Subai, 1995)
    » Species Liburnica hoffmanni (Rossmässler, 1836)
    » Species Liburnica insolita (Rossmässler, 1838)
    » Species Liburnica jakupicae (Urbański, 1979)
    » Species Liburnica kleciachi (L. Pfeiffer, 1871)
    » Species Liburnica kulmakana (Subai & Fehér, 2006)
    » Species Liburnica pentheri (Sturany, 1901)
    » Species Liburnica pseudodochii Subai, 2012
    » Species Liburnica setigera (Rossmässler, 1836)
    » Species Liburnica setosa (A. Férussac, 1832)
      » Subspecies Liburnica setosa imberbis (Brusina, 1876)
    » Species Liburnica skipetarica (Subai, 1995)
    » Species Liburnica superbaformis Subai, 2012
    » Subgenus Liburnica (Liburnica) Kobelt, 1904 represented as Liburnica Kobelt, 1904
      » Species Liburnica (Liburnica) albanograeca (Subai, 1995) represented as Liburnica albanograeca (Subai, 1995)
      » Species Liburnica (Liburnica) crinita (Strobel, 1854) represented as Liburnica crinita (Strobel, 1854)
      » Species Liburnica (Liburnica) denudata (Rossmässler, 1836) represented as Liburnica denudata (Rossmässler, 1836)
      » Species Liburnica (Liburnica) dochii (Sturany, 1907) represented as Liburnica dochii (Sturany, 1907)
      » Species Liburnica (Liburnica) dunjana (Knipper, 1941) represented as Liburnica dunjana (Knipper, 1941)
      » Species Liburnica (Liburnica) harpya (Subai, 1995) represented as Liburnica harpya (Subai, 1995)
      » Species Liburnica (Liburnica) hoffmanni (Rossmässler, 1836) represented as Liburnica hoffmanni (Rossmässler, 1836)
      » Species Liburnica (Liburnica) insolita (Rossmässler, 1838) represented as Liburnica insolita (Rossmässler, 1838)
      » Species Liburnica (Liburnica) jakupicae (Urbański, 1979) represented as Liburnica jakupicae (Urbański, 1979)
      » Species Liburnica (Liburnica) kleciachi (L. Pfeiffer, 1871) represented as Liburnica kleciachi (L. Pfeiffer, 1871)
      » Species Liburnica (Liburnica) pentheri (Sturany, 1901) represented as Liburnica pentheri (Sturany, 1901)
      » Species Liburnica (Liburnica) pseudodochii Subai, 2012 represented as Liburnica pseudodochii Subai, 2012
      » Species Liburnica (Liburnica) setigera (Rossmässler, 1836) represented as Liburnica setigera (Rossmässler, 1836)
      » Species Liburnica (Liburnica) setosa (A. Férussac, 1832) represented as Liburnica setosa (A. Férussac, 1832)
      » Species Liburnica (Liburnica) superbaformis Subai, 2012 represented as Liburnica superbaformis Subai, 2012
  » Genus Mesodontopsis Pilsbry, 1895 †
  » Genus Metacampylaea Pilsbry, 1895 †
  » Genus Paradrobacia H. Nordsieck, 2014 †
  » Genus Pseudoklikia H. Nordsieck, 2018 †
  » Genus Pseudotrizona Groenenberg, Subai & E. Gittenberger, 2016
  » Genus Thiessea Kobelt, 1904
    » Species Thiessea amorgia (Westerlund, 1889)
      » Subspecies Thiessea amorgia amorgia (Westerlund, 1889)
      » Subspecies Thiessea amorgia furia (Subai, 1996)
    » Species Thiessea arcadica (L. Pfeiffer, 1853)
    » Species Thiessea bacchica (E. von Martens, 1889)
    » Species Thiessea cyclolabris (Deshayes, 1839)
    » Species Thiessea euboeae (Frauenfeld, 1867)
    » Species Thiessea fuchsiana (Knipper, 1939)
    » Species Thiessea heldreichi (L. Pfeiffer, 1846)
    » Species Thiessea hymetti (Mousson, 1854)
    » Species Thiessea matrella (Westerlund, 1898)
    » Species Thiessea melpomene (Subai, 1996)
    » Species Thiessea nympha (Subai, 1996)
    » Species Thiessea pieperi (Subai, 1996)
    » Species Thiessea polyhymnia (Subai, 1996)
    » Species Thiessea posthuma (Knipper, 1939)
    » Species Thiessea sphaeriostoma (Bourguignat, 1857)
    » Species Thiessea valkanovi (Urbański, 1960)
  » Genus Vidovicia Brusina, 1904
  » Genus Altarianta Schileyko, 2013 accepted as Arianta W. Turton, 1831
  » Genus Arionta Martens, 1860 accepted as Arianta W. Turton, 1831
  » Genus Botteria Brusina, 1904 accepted as Liburnica Kobelt, 1904
  » Genus Chilotrema W. Turton, 1831 accepted as Helicigona A. Férussac, 1821
  » Genus Cochlopupa Jan, 1830 accepted as Cylindrus Fitzinger, 1833 (Invalid: rejected on the Official Index by ICZN Opinion 2422)
  » Genus Eucampylaea Westerlund, 1876 accepted as Campylaea H. Beck, 1837
  » Genus Hazaya Soós, 1908 accepted as Vidovicia Brusina, 1904
  » Genus Latomus Fitzinger, 1833 accepted as Helicigona A. Férussac, 1821
  » Genus Lenticula Held, 1838 accepted as Helicigona A. Férussac, 1821
  » Genus Partschia C.R. Boettger, 1911 accepted as Drobacia Brusina, 1904
  » Genus Plicostoma Schlüter, 1838 accepted as Isognomostoma Fitzinger, 1833
  » Genus Superba Subai & Fehér, 2006 accepted as Liburnica (Superba) Subai & Fehér, 2006
    » Species Superba grisea Subai & Fehér, 2006 accepted as Liburnica grisea (Subai & Fehér, 2006) (original combination)
    » Species Superba kulmakana Subai & Fehér, 2006 accepted as Liburnica kulmakana (Subai & Fehér, 2006) (original combination)
    » Species Superba skipetarica (Subai, 1995) accepted as Liburnica skipetarica (Subai, 1995) (invalid combination)
Subfamily Helicinae Rafinesque, 1815
  » Tribe Allognathini Westerlund, 1903
    » Genus Allognathus Pilsbry, 1888
      » Species Allognathus balearicus (Rossmässler, 1838)
      » Species Allognathus campanyonii (Rossmässler, 1839)
      » Species Allognathus graellsianus (L. Pfeiffer, 1848)
      » Species Allognathus ogdeni (Kennard & Woodward, 1914) † (taxon inquirendum)
      » Subgenus Allognathus (Allognathus) Pilsbry, 1888 represented as Allognathus Pilsbry, 1888
      » Subgenus Allognathus (Iberellus) P. Hesse, 1908 represented as Allognathus Pilsbry, 1888
        » Species Allognathus (Iberellus) balearicus (Rossmässler, 1838) represented as Allognathus balearicus (Rossmässler, 1838)
        » Species Allognathus (Iberellus) campanyonii (Rossmässler, 1839) represented as Allognathus campanyonii (Rossmässler, 1839)
        » Species Allognathus (Iberellus) ogdeni (Kennard & Woodward, 1914) † represented as Allognathus ogdeni (Kennard & Woodward, 1914) †
        » Species Allognathus (Iberellus) hispanicus (Rossmässler, 1838) accepted as Allognathus balearicus (Rossmässler, 1838) (preoccupied name; non Helix lactea var. Hispanica Potiez & Michaud, 1835)
    » Genus Cepaea Held, 1838
      » Species Cepaea bulla Lueger, 1981 †
      » Species Cepaea etelkae (Halaváts, 1923) †
      » Species Cepaea hortensis (O. F. Müller, 1774)
      » Species Cepaea krejcii Wenz in Krejci & Wenz, 1930 †
      » Species Cepaea nemoralis (Linnaeus, 1758)
        » Subspecies Cepaea nemoralis etrusca (Rossmässler, 1835)
        » Subspecies Cepaea nemoralis nemoralis (Linnaeus, 1758)
      » Species Cepaea beyrichi (Deshayes, 1863) † (taxon inquirendum)
      » Species Cepaea eckingensis (F. Sandberger, 1875) † (taxon inquirendum)
      » Species Cepaea facilis (F. Sandberger, 1875) † (taxon inquirendum)
      » Species Cepaea gaymardii (Matheron, 1843) † (taxon inquirendum)
      » Species Cepaea lausanni (Dumont & Mortillet, 1852) † (taxon inquirendum)
      » Species Cepaea noueli (Deshayes, 1863) † (taxon inquirendum)
      » Species Cepaea nouleti (Matheron in Heer, 1861) † (taxon inquirendum)
      » Species Cepaea placentina (De Stefani, 1880) † (taxon inquirendum)
      » Species Cepaea reboulii (Leufroy, 1828) † (taxon inquirendum)
      » Species Cepaea subtrochoides (A. d'Orbigny, 1852) † (taxon inquirendum)
      » Subgenus Cepaea (Palaeotachea) Jooss, 1912 † accepted as Palaeotachea Jooss, 1912 †
      » Species Cepaea alloiodes (Thomä, 1845) † accepted as Palaeotachea alloiodes (Thomä, 1845) †
      » Species Cepaea arvernensis (Deshayes, 1863) † accepted as Helix arvernensis Deshayes, 1863 † (new combination not accepted; status uncertain)
      » Species Cepaea bohemica (O. Boettger, 1870) † accepted as Megalotachea macrocheila (Reuss in Reuss & Meyer, 1849) † (junior synonym)
      » Species Cepaea christoli (Matheron, 1843) † accepted as Megalotachea christolii (Matheron, 1843) † (incorrect subsequent spelling; new combination)
      » Species Cepaea delphinensis (Fontannes, 1876) † accepted as Megalotachea delphinensis (Fontannes, 1876) †
      » Species Cepaea dentula (Quenstedt, 1867) † accepted as Palaeotachea dentula (Quenstedt, 1867) †
      » Species Cepaea ducrosti (Locard, 1883) † accepted as Frechenia ducrosti (Locard, 1883) †
      » Species Cepaea eversa (Deshayes in Férussac & Deshayes, 1851) † accepted as Palaeotachea turonensis (Deshayes, 1832) † (junior synonym)
        » Subspecies Cepaea eversa baumbergeri Jooss, 1924 † accepted as Palaeotachea turonensis (Deshayes, 1832) † (junior synonym)
        » Subspecies Cepaea eversa larteti (De Boissy, 1840) † accepted as Palaeotachea turonensis (Deshayes, 1832) † (junior synonym)
      » Species Cepaea gottschicki Wenz, 1919 † accepted as Palaeotachea sylvestrina (Schlotheim, 1820) † (junior synonym)
      » Species Cepaea grammorhaphe (O. Boettger, 1884) † accepted as Megalotachea kinkelini (O. Boettger, 1884) † (synonym)
      » Species Cepaea hortulana (Thomä, 1845) † accepted as Palaeotachea hortulana (Thomä, 1845) †
      » Species Cepaea kinkelini (O. Boettger, 1884) † accepted as Megalotachea kinkelini (O. Boettger, 1884) †
      » Species Cepaea magnini (Locard, 1883) † accepted as Megalotachea delphinensis (Fontannes, 1876) † (junior synonym)
      » Species Cepaea maguntiana (Deshayes, 1832) † accepted as Megalotachea maguntina (Deshayes, 1832) † (incorrect subsequent spelling; new combination)
      » Species Cepaea micheliniana (Matheron, 1843) † accepted as Helix micheliniana Matheron, 1843 † (new combination not accepted; status uncertain)
      » Species Cepaea moroguesi (Brongniart, 1810) † accepted as Palaeotachea moroguesi (Brongniart, 1810) †
      » Species Cepaea neumayri (Brusina, 1878) † accepted as Megalotachea neumayri (Brusina, 1878) †
      » Species Cepaea obtusecarinata (F. Sandberger, 1858) † accepted as Creneatachea obtusecarinata (Sandberger, 1858) †
      » Species Cepaea reinensis (Gobanz, 1854) † accepted as Megalotachea reinensis (Gobanz, 1854) †
      » Species Cepaea renevieri (Maillard, 1892) † accepted as Palaeotachea renevieri (Maillard, 1892) † (new combination)
        » Variety Cepaea renevieri var. elevata Berz & Jooss, 1927 † accepted as Megalotachea elevata (Berz & Jooss, 1927) † (new combination; considered a distinct species)
      » Species Cepaea rugulosa (Zieten, 1832) † accepted as Palaeotachea subsulcosa (Thomä, 1845) † (junior homonym of Helix rugulosa Risso, 1826; synonym)
        » Subspecies Cepaea rugulosa eurabdota (Fontannes, 1884) † accepted as Helix eurabdota Fontannes, 1884 † (new combination not accepted; status uncertain)
      » Species Cepaea silvana (Klein, 1853) † accepted as Palaeotachea silvana (Klein, 1853) †
        » Subspecies Cepaea silvana malleolata (F. Sandberger, 1875) † accepted as Palaeotachea silvana (Klein, 1853) † (junior synonym)
      » Species Cepaea subglobosa (Grateloup, 1828) † accepted as Palaeotachea subglobosa (Grateloup, 1828) †
      » Species Cepaea subsulcosa (Thomä, 1845) † accepted as Palaeotachea subsulcosa (Thomä, 1845) †
      » Species Cepaea sylvatica (Draparnaud 1801) accepted as Macularia sylvatica (Draparnaud, 1801)
      » Species Cepaea sylvestrina (Schlotheim, 1820) † accepted as Megalotachea sylvestrina (Schlotheim, 1820) † (new combination)
      » Species Cepaea vindobonensis (C. Pfeiffer, 1828) accepted as Caucasotachea vindobonensis (C. Pfeiffer, 1828)
    » Genus Hemicycla Swainson, 1840
      » Species Hemicycla berkeleii (R. T. Lowe, 1861)
      » Species Hemicycla bethencourtiana (Shuttleworth, 1852)
      » Species Hemicycla bidentalis (Lamarck, 1822)
        » Subspecies Hemicycla bidentalis inaccessibilis Groh, 1988
      » Species Hemicycla consobrina (A. Férussac, 1822)
        » Subspecies Hemicycla consobrina nivariae (Wollaston, 1878)
        » Subspecies Hemicycla consobrina retrodens (Mousson, 1872)
      » Species Hemicycla diegoi Neiber, R. Vega-Luz, R. Vega-Luz & Koenemann, 2011
      » Species Hemicycla distensa (Mousson, 1872)
      » Species Hemicycla efferata (Mousson, 1872)
      » Species Hemicycla ethelema (J. Mabille, 1882)
      » Species Hemicycla eurythyra O. Boettger, 1908
      » Species Hemicycla flavistoma Ibáñez & Alonso, 1991
      » Species Hemicycla fritschi (Mousson, 1872)
      » Species Hemicycla fuenterroquensis Castro, Yanes, Alonso & Ibáñez, 2012
      » Species Hemicycla fulgida Alonso & Ibáñez, 2007
      » Species Hemicycla gaudryi (d'Orbigny, 1839)
      » Species Hemicycla glasiana (Shuttleworth, 1852)
      » Species Hemicycla glyceia silensis Cavero, 1988
      » Species Hemicycla gomerensis (Morelet, 1864)
      » Species Hemicycla granomalleata (Wollaston, 1878)
      » Species Hemicycla guamartemes (Grasset, 1857)
      » Species Hemicycla hedybia (J. Mabille, 1882)
      » Species Hemicycla incisogranulata (Mousson, 1872)
      » Species Hemicycla inutilis (Mousson, 1872)
      » Species Hemicycla invernicata (Mousson, 1872)
      » Species Hemicycla laurijona Alonso & Ibáñez, 2007
      » Species Hemicycla mascaensis Alonso & Ibáñez, 1988
      » Species Hemicycla maugeana (Shuttleworth, 1852)
      » Species Hemicycla melchori R. Vega-Luz & R. Vega-Luz, 2008
      » Species Hemicycla modesta (A. Férussac, 1822)
      » Species Hemicycla paeteliana (L. Pfeiffer, 1859)
      » Species Hemicycla paivanopsis (J. Mabille, 1882)
      » Species Hemicycla perraudierei (Grasset, 1857)
      » Species Hemicycla planorbella (Lamarck, 1816)
      » Species Hemicycla plicaria (Lamarck, 1816)
      » Species Hemicycla pouchadan Ibáñez & Alonso, 2007
      » Species Hemicycla pouchet (A. Férussac, 1821)
      » Species Hemicycla psathyra (R. T. Lowe, 1861)
        » Subspecies Hemicycla psathyra bituminosa (J. Mabille, 1883)
        » Subspecies Hemicycla psathyra psathyra (R. T. Lowe, 1861)
        » Subspecies Hemicycla psathyra temperata (Mousson, 1872)
      » Species Hemicycla quadricincta (Morelet, 1864)
      » Species Hemicycla saponacea (R. T. Lowe, 1861)
      » Species Hemicycla sarcostoma (Webb & Berthelot, 1833)
      » Species Hemicycla saulcyi (d'Orbigny, 1839)
      » Species Hemicycla vermiplicata (Wollaston, 1878)
      » Subgenus Hemicycla (Adiverticula) Alonso & Ibáñez, 1988 represented as Hemicycla Swainson, 1840
      » Subgenus Hemicycla (Hemicycla) Swainson, 1840 represented as Hemicycla Swainson, 1840
        » Species Hemicycla (Hemicycla) berkeleii (R. T. Lowe, 1861) represented as Hemicycla berkeleii (R. T. Lowe, 1861)
        » Species Hemicycla (Hemicycla) bethencourtiana (Shuttleworth, 1852) represented as Hemicycla bethencourtiana (Shuttleworth, 1852)
        » Species Hemicycla (Hemicycla) bidentalis (Lamarck, 1822) represented as Hemicycla bidentalis (Lamarck, 1822)
        » Species Hemicycla (Hemicycla) consobrina (A. Férussac, 1822) represented as Hemicycla consobrina (A. Férussac, 1822)
        » Species Hemicycla (Hemicycla) ethelema (J. Mabille, 1882) represented as Hemicycla ethelema (J. Mabille, 1882)
        » Species Hemicycla (Hemicycla) eurythyra O. Boettger, 1908 represented as Hemicycla eurythyra O. Boettger, 1908
        » Species Hemicycla (Hemicycla) flavistoma Ibáñez & Alonso, 1991 represented as Hemicycla flavistoma Ibáñez & Alonso, 1991
        » Species Hemicycla (Hemicycla) fuenterroquensis Castro, Yanes, Alonso & Ibáñez, 2012 represented as Hemicycla fuenterroquensis Castro, Yanes, Alonso & Ibáñez, 2012
        » Species Hemicycla (Hemicycla) fulgida Alonso & Ibáñez, 2007 represented as Hemicycla fulgida Alonso & Ibáñez, 2007
        » Species Hemicycla (Hemicycla) glasiana (Shuttleworth, 1852) represented as Hemicycla glasiana (Shuttleworth, 1852)
        » Species Hemicycla (Hemicycla) glyceia silensis Cavero, 1988 represented as Hemicycla glyceia silensis Cavero, 1988
        » Species Hemicycla (Hemicycla) granomalleata (Wollaston, 1878) represented as Hemicycla granomalleata (Wollaston, 1878)
        » Species Hemicycla (Hemicycla) incisogranulata (Mousson, 1872) represented as Hemicycla incisogranulata (Mousson, 1872)
        » Species Hemicycla (Hemicycla) inutilis (Mousson, 1872) represented as Hemicycla inutilis (Mousson, 1872)
        » Species Hemicycla (Hemicycla) invernicata (Mousson, 1872) represented as Hemicycla invernicata (Mousson, 1872)
        » Species Hemicycla (Hemicycla) laurijona Alonso & Ibáñez, 2007 represented as Hemicycla laurijona Alonso & Ibáñez, 2007
        » Species Hemicycla (Hemicycla) perraudierei (Grasset, 1857) represented as Hemicycla perraudierei (Grasset, 1857)
        » Species Hemicycla (Hemicycla) plicaria (Lamarck, 1816) represented as Hemicycla plicaria (Lamarck, 1816)
        » Species Hemicycla (Hemicycla) pouchadan Ibáñez & Alonso, 2007 represented as Hemicycla pouchadan Ibáñez & Alonso, 2007
        » Species Hemicycla (Hemicycla) quadricincta (Morelet, 1864) represented as Hemicycla quadricincta (Morelet, 1864)
        » Species Hemicycla (Hemicycla) saponacea (R. T. Lowe, 1861) represented as Hemicycla saponacea (R. T. Lowe, 1861)
        » Species Hemicycla (Hemicycla) sarcostoma (Webb & Berthelot, 1833) represented as Hemicycla sarcostoma (Webb & Berthelot, 1833)
        » Species Hemicycla (Hemicycla) saulcyi (d'Orbigny, 1839) represented as Hemicycla saulcyi (d'Orbigny, 1839)
        » Species Hemicycla (Hemicycla) vermiplicata (Wollaston, 1878) represented as Hemicycla vermiplicata (Wollaston, 1878)
      » Species Hemicycla asperula (Deshayes, 1832) † accepted as Megalotachea turonensis (Deshayes, 1832) † (synonym)
      » Species Hemicycla gualinoi (Michaud, 1855) † accepted as Megalotachea gualinoi (Michaud, 1855) †
      » Species Hemicycla nayliesi (Michaud, 1855) † accepted as Frechenia nayliesi (Michaud, 1855) †
    » Genus Iberus Montfort, 1810
      » Species Iberus alonensis (A. Férussac, 1821)
      » Species Iberus angustatus (Rossmässler, 1854)
      » Species Iberus calaensis Ahuir, 2013
      » Species Iberus campesinus (L. Pfeiffer, 1846)
      » Species Iberus carthaginiensis (Rossmässler, 1853)
      » Species Iberus delgadoi (Roman, 1907) †
      » Species Iberus gualtieranus (Linnaeus, 1758)
        » Subspecies Iberus gualtieranus gualtieranus (Linnaeus, 1758)
        » Subspecies Iberus gualtieranus laurenti (Bourguignat, 1870)
        » Subspecies Iberus gualtieranus mariae Cobos, 1979
        » Subspecies Iberus gualtieranus ornatissimus Cobos, 1979
      » Species Iberus guiraoanus (L. Pfeiffer, 1853)
      » Species Iberus marmoratus (A. Férussac, 1821)
        » Subspecies Iberus marmoratus cobosi Ibáñez & Alonso, 1978
        » Subspecies Iberus marmoratus loxanus (A. Schmidt, 1853)
        » Subspecies Iberus marmoratus marmoratus (A. Férussac, 1821)
        » Subspecies Iberus marmoratus rositai de Fez, 1950
      » Species Iberus ortizi García San Nicolás, 1957
      » Species Iberus balatonicus Stoliczka, 1862 † (taxon inquirendum)
    » Genus Lampadia Albers, 1854
      » Species Lampadia webbiana (R. T. Lowe, 1831)
    » Genus Pseudotachea C.R. Boettger, 1909
    » Genus Balearica Kobelt, 1904 accepted as Allognathus (Iberellus) P. Hesse, 1908
    » Genus Euiberus Westerlund, 1889 accepted as Iberus Montfort, 1810
    » Genus Hystrionica Scudder, 1882 accepted as Cepaea Held, 1838
    » Genus Mitra Albers, 1850 accepted as Lampadia Albers, 1854 (invalid: junior homonym of Mitra Lamarck, 1798; Lampadia is a replacement name)
    » Genus Mycena Albers, 1850 accepted as Hemicycla Swainson, 1840 (objective junior synonym)
    » Genus Nesiberus F. Haas, 1934 accepted as Allognathus (Iberellus) P. Hesse, 1908
    » Genus Tachea W. Turton, 1831 accepted as Cepaea Held, 1838
      » Species Tachea atrolabiata (Krynicki, 1833) accepted as Caucasotachea atrolabiata (Krynicki, 1833) (new combination)
        » Variety Tachea atrolabiata var. albispira Lindholm, 1913 accepted as Caucasotachea atrolabiata (Krynicki, 1833) (a junior synonym)
        » Variety Tachea atrolabiata var. voronoviae Lindholm, 1913 accepted as Caucasotachea atrolabiata (Krynicki, 1833) (a junior synonym)
    » Genus Transiberus Monterosato, 1894 accepted as Iberus Montfort, 1810
  » Genus Creneatachea Zilch, 1960 †
  » Genus Frechenia Schlickum & Strauch, 1971 †
  » Tribe Helicini Rafinesque, 1815
    » Genus Amanica H. Nordsieck, 2017
      » Species Amanica praecellens (Naegele, 1901)
        » Subspecies Amanica praecellens amanica (Nägele, 1906)
        » Subspecies Amanica praecellens praecellens (Nägele, 1901)
    » Genus Caucasotachea C.R. Boettger, 1909
      » Species Caucasotachea andrussovi Steklov, 1966 †
      » Species Caucasotachea atrolabiata (Krynicki, 1833)
      » Species Caucasotachea beringi Schütt, 1985 †
      » Species Caucasotachea candirensis Schütt, 1985 †
      » Species Caucasotachea kubanica Steklov, 1966 †
      » Species Caucasotachea leucoranea (Mousson, 1863)
      » Species Caucasotachea phrygomysica (Oppenheim, 1919) †
      » Species Caucasotachea vindobonensis (C. Pfeiffer, 1828)
      » Species Caucasotachea fortangensis Steklov, 1966 † (taxon inquirendum)
      » Species Caucasotachea maslovae Steklov, 1966 † (taxon inquirendum)
      » Subgenus Caucasotachea (Caucasotachea) C.R. Boettger, 1909 represented as Caucasotachea C.R. Boettger, 1909
      » Subgenus Caucasotachea (Lindholmia) P. Hesse, 1918 accepted as Lindholmia P. Hesse, 1918 (original rank)
        » Species Caucasotachea (Lindholmia) beckerplateni Schütt, 1985 † accepted as Lindholmia beckerplateni (Schütt, 1985) † (Lindholmia is considered a distinct genus)
    » Genus Codringtonia Kobelt, 1898
      » Species Codringtonia codringtonii (Gray, 1834)
      » Species Codringtonia elisabethae Subai, 2005
      » Species Codringtonia eucineta (Bourguignat, 1857)
      » Species Codringtonia gittenbergeri Subai, 2005
      » Species Codringtonia helenae Subai, 2005
      » Species Codringtonia intusplicata (L. Pfeiffer, 1851)
      » Species Codringtonia parnassia (Roth, 1855)
      » Subgenus Codringtonia (Codringtonia) Kobelt, 1898 represented as Codringtonia Kobelt, 1898
        » Species Codringtonia (Codringtonia) elisabethae Subai, 2005 represented as Codringtonia elisabethae Subai, 2005
        » Species Codringtonia (Codringtonia) eucineta (Bourguignat, 1857) represented as Codringtonia eucineta (Bourguignat, 1857)
        » Species Codringtonia (Codringtonia) gittenbergeri Subai, 2005 represented as Codringtonia gittenbergeri Subai, 2005
        » Species Codringtonia (Codringtonia) helenae Subai, 2005 represented as Codringtonia helenae Subai, 2005
        » Species Codringtonia (Codringtonia) intusplicata (L. Pfeiffer, 1851) represented as Codringtonia intusplicata (L. Pfeiffer, 1851)
        » Species Codringtonia (Codringtonia) parnassia (Roth, 1855) represented as Codringtonia parnassia (Roth, 1855)
        » Species Codringtonia (Codringtonia) codringtonii (Gray, 1834) accepted as Codringtonia codringtonii (Gray, 1834)
      » Subgenus Codringtonia (Isaurica) Kobelt, 1901 accepted as Isaurica Kobelt, 1901 (original rank)
      » Subgenus Codringtonia (Neocrassa) Subai, 2005 accepted as Neocrassa Subai, 2005 (original rank)
      » Species Codringtonia neocrassa Zilch, 1952 accepted as Neocrassa neocrassa (Zilch, 1952) (original combination)
    » Genus Helix Linnaeus, 1758
      » Species Helix albescens Rossmässler, 1839
      » Species Helix anctostoma Martens, 1874
      » Species Helix antiochiensis Kobelt, 1896
      » Species Helix asemnis Bourguignat, 1860
      » Species Helix barbeyana De Stefani in De Stefani et al., 1891 †
      » Species Helix borealis Mousson, 1859
      » Species Helix buchii (Dubois de Montpéreux, 1840)
      » Species Helix buliminoides Heude, 1882
      » Species Helix calabrica Westerlund, 1876
      » Species Helix cincta O. F. Müller, 1774
      » Species Helix divionensis J. Martin, 1866 †
      » Species Helix dormitoris Kobelt, 1898
      » Species Helix engaddensis Bourguignat, 1852
        » Variety Helix engaddensis var. concolor Bourguignat, 1860 accepted as Helix engaddensis Bourguignat, 1852 (junior synonym)
      » Species Helix escherichi O. Boettger, 1898
      » Species Helix fathallae Nägele, 1901
      » Species Helix figulina Rossmässler, 1839
        » Variety Helix figulina var. albidula Bourguignat, 1853 accepted as Helix engaddensis Bourguignat, 1852 (junior synonym)
      » Species Helix gussoneana L. Pfeiffer, 1848
      » Species Helix kazouiniana Pallary, 1939
      » Species Helix krejcii Wenz in Krejci-Graf & Wenz, 1926 †
      » Species Helix ligata O. F. Müller, 1774
      » Species Helix lucorum Linnaeus, 1758
        » Variety Helix lucorum var. annosa Mascarini, 1892 accepted as Helix straminea Briganti, 1825 (junior synonym)
        » Variety Helix lucorum var. candida Mascarini, 1892 accepted as Helix straminea Briganti, 1825 (junior synonym)
      » Species Helix lutescens Rossmässler, 1837
      » Species Helix melanostoma Draparnaud, 1801
      » Species Helix mileti Kobelt, 1906
      » Species Helix mrazeci Sevastos, 1922 †
      » Species Helix nucula Mousson, 1854
      » Species Helix pachya Bourguignat, 1860
      » Species Helix pathetica Mousson, 1854
      » Species Helix pelagonesica (Rolle, 1898)
        » Subspecies Helix pelagonesica vardarica Knipper, 1939 accepted as Helix pelagonesica (Rolle, 1898) (junior synonym)
      » Species Helix philibinensis Rossmässler, 1839
      » Species Helix pomacella Mousson, 1854
      » Species Helix pomatella Kobelt, 1876
      » Species Helix pomatia Linnaeus, 1758
      » Species Helix pronuba Westerlund & Blanc, 1879
      » Species Helix salomonica Nägele, 1899
      » Species Helix schlaeflii Mousson, 1859
      » Species Helix secernenda Rossmässler, 1847
        » Variety Helix secernenda var. insignis Brancsik, 1890 accepted as Helix vladica (Kobelt, 1898) (invalid: junior homonym of H. insignis Zieten, 1830)
      » Species Helix straminea Briganti, 1825
        » Variety Helix straminea var. elongata Bourguignat, 1860 accepted as Helix straminea Briganti, 1825 (invalid: junior homonym of H. elongata Röding, 1798)
      » Species Helix subintersecta Bouguigant [in Locard], 1882
      » Species Helix sublutescens Wenz in Krejci & Wenz, 1926 †
      » Species Helix thessalica O. Boettger, 1886
      » Species Helix valentini Kobelt, 1891
      » Species Helix vladica (Kobelt, 1898)
      » Subgenus Helix (Patera) Albers, 1850 (taxon inquirendum, Invalid: junior homonym of Patera Lesson, 1839 [Cnidaria])
      » Species Helix adelaidae L. Pfeiffer, 1857 (taxon inquirendum)
      » Species Helix adipis White, 1886 † (taxon inquirendum)
      » Species Helix ajax L. Pfeiffer, 1861 (taxon inquirendum)
      » Species Helix alpillensis Roman, 1924 † (taxon inquirendum)
      » Species Helix appressa Say, 1821 (taxon inquirendum)
      » Species Helix aquensis Serres, 1829 † (taxon inquirendum)
      » Species Helix arvernensis Deshayes, 1863 † (taxon inquirendum)
      » Species Helix astierii A. d'Orbigny, 1850 † (taxon inquirendum)
      » Species Helix bartayresi Noulet, 1854 † (taxon inquirendum)
      » Species Helix batchianensis L. Pfeiffer, 1861 (taxon inquirendum)
      » Species Helix batesii L. Pfeiffer, 1860 (taxon inquirendum)
      » Species Helix blainvilliana I. Lea, 1840 (taxon inquirendum)
      » Species Helix boskovichi Dainelli, 1901 † (taxon inquirendum)
      » Species Helix boucheporni Noulet, 1867 † (taxon inquirendum)
      » Species Helix bourguignati L. Pfeiffer, 1857 (taxon inquirendum)
      » Species Helix briatextensis Noulet, 1867 † (taxon inquirendum)
      » Species Helix brusinae Dainelli, 1901 † (taxon inquirendum, status uncertain; also, junior homonym of Helix brusinae Stossich, 1876)
      » Species Helix carinata Link, 1807 (taxon inquirendum)
      » Species Helix carmeliensis L. Pfeiffer, 1861 (taxon inquirendum)
      » Species Helix chionodiscus L. Pfeiffer, 1857 (taxon inquirendum)
      » Species Helix chriacorum Cockerell, 1914 † (taxon inquirendum)
      » Species Helix cimex Reeve, 1854 (taxon inquirendum)
      » Species Helix cincta I. Lea, 1834 (taxon inquirendum, invalid, a junior homonym of Helix cincta O.F. Müller, 1774)
      » Species Helix cumulus Reeve, 1854 (taxon inquirendum)
      » Species Helix cuvieriana I. Lea, 1840 (taxon inquirendum)
      » Species Helix cyclostomopsis I. Lea, 1834 (taxon inquirendum)
      » Species Helix dalmatina Dainelli, 1901 † (taxon inquirendum)
      » Species Helix debauxii Noulet, 1854 † (taxon inquirendum)
      » Species Helix denainvilliersi De Boissy, 1839 † (taxon inquirendum)
      » Species Helix depsta Cox, 1870 (taxon inquirendum)
      » Species Helix diaphana I. Lea, 1834 (taxon inquirendum)
      » Species Helix dubia Deshayes, 1824 † (taxon inquirendum)
      » Species Helix duboisii Baily, 1858 † (taxon inquirendum)
      » Species Helix ductilis Pfeiffer, 1857 (taxon inquirendum)
      » Species Helix eumicron Deshayes, 1863 † (taxon inquirendum)
      » Species Helix evansi Meek & Hayden, 1860 † (taxon inquirendum)
      » Species Helix exacta L. Pfeiffer, 1863 (taxon inquirendum)
      » Species Helix faradensis L. Pfeiffer, 1861 (taxon inquirendum)
      » Species Helix fauna Philippi, 1851 (taxon inquirendum)
      » Species Helix ferrensis Serres, 1851 † (taxon inquirendum)
      » Species Helix ferruginea I. Lea, 1840 (taxon inquirendum)
      » Species Helix flammata Férussac, 1821 (taxon inquirendum)
      » Species Helix fontani Noulet, 1854 † (taxon inquirendum)
      » Species Helix forrestiana Angas, 1875 (taxon inquirendum)
      » Species Helix fuelleborni E. von Martens, 1900 (taxon inquirendum)
      » Species Helix gassiesi Noulet, 1854 † (taxon inquirendum)
      » Species Helix globula I. Lea, 1834 (taxon inquirendum)
      » Species Helix grossularia L. Pfeiffer, 1861 (taxon inquirendum)
      » Species Helix guadalcanarensis Cox, 1872 (taxon inquirendum)
      » Species Helix guinaria L. Pfeiffer, 1861 (taxon inquirendum)
      » Species Helix hector L. Pfeiffer, 1861 (taxon inquirendum)
      » Species Helix himalana I. Lea, 1834 (taxon inquirendum)
      » Species Helix insueta Noulet, 1867 † (taxon inquirendum)
      » Species Helix Iombersensis Noulet, 1867 † (taxon inquirendum)
      » Species Helix jasonis Mayer, 1856 † (taxon inquirendum)
      » Species Helix lamarckiana I. Lea, 1840 (taxon inquirendum)
      » Species Helix lespiaulti Noulet, 1854 † (taxon inquirendum)
      » Species Helix limosa Linnaeus, 1758 (taxon inquirendum)
      » Species Helix luteofasciata I. Lea, 1840 (taxon inquirendum)
      » Species Helix maeotica Steklov, 1966 † (taxon inquirendum)
      » Species Helix magnifica I. Lea, 1838 (taxon inquirendum)
      » Species Helix mamilla (taxon inquirendum)
      » Species Helix mendesi Roman, 1907 † (taxon inquirendum)
      » Species Helix mendicaria L. Pfeiffer, 1860 (taxon inquirendum)
      » Species Helix micheliniana Matheron, 1843 † (taxon inquirendum)
      » Species Helix monile Broderip, 1832 (taxon inquirendum)
      » Species Helix monodonta I. Lea, 1834 (taxon inquirendum)
      » Species Helix monsdraconensis Noulet, 1867 † (taxon inquirendum)
      » Species Helix moretonensis Reeve, 1854 (taxon inquirendum)
      » Species Helix muscarum I. Lea, 1834 (taxon inquirendum)
      » Species Helix nebrascensis Meek & Hayden, 1860 † (taxon inquirendum)
      » Species Helix ophelia L. Pfeiffer, 1855 (taxon inquirendum)
      » Species Helix orbiculata Férussac, 1822 (taxon inquirendum)
      » Species Helix ovumreguli I. Lea, 1834 (taxon inquirendum)
      » Species Helix palmarum Vinassa de Regny, 1896 † (taxon inquirendum)
      » Species Helix parvula A. Braun in Walchner, 1851 † (taxon inquirendum)
      » Species Helix perrisii Noulet, 1854 † (taxon inquirendum)
      » Species Helix personnati Noulet, 1857 † (taxon inquirendum)
      » Species Helix phocaea Roth, 1856 (taxon inquirendum)
      » Species Helix phrygica P. Fischer in Tchihatcheff, 1866 † (taxon inquirendum)
      » Species Helix plicatilis Deshayes, 1870 (taxon inquirendum)
      » Species Helix pliculosa L. Pfeiffer, 1857 (taxon inquirendum)
      » Species Helix portii L. Pfeiffer, 1861 (taxon inquirendum)
      » Species Helix prshewalskii Martens, 1881 (taxon inquirendum)
      » Species Helix prunum Férussac, 1821 (taxon inquirendum)
      » Species Helix pseudoligata Sinzov, 1896 † (taxon inquirendum)
      » Species Helix purpuragula I. Lea, 1834 (taxon inquirendum)
      » Species Helix riparia White, 1876 † (taxon inquirendum)
      » Species Helix rupelli Deshayes, 1870 (taxon inquirendum)
      » Species Helix semicarinata Ancey, 1881 (taxon inquirendum)
      » Species Helix semifusca Deshayes, 1832 (taxon inquirendum)
      » Species Helix semiinversa Cossmann, 1913 † (taxon inquirendum)
      » Species Helix senensis Pantanelli, 1877 † (taxon inquirendum)
      » Species Helix sivericensis Dainelli, 1901 † (taxon inquirendum)
      » Species Helix spirata Serres, 1853 † (taxon inquirendum)
      » Species Helix subechinata Deshayes, 1870 (taxon inquirendum)
      » Species Helix subgranosa Le Guillou, 1842 (taxon inquirendum)
      » Species Helix sumatrana Martens, 1864 (taxon inquirendum)
        » Variety Helix sumatrana var. moussoniana Martens, 1867 accepted as Landouria moussoniana (Martens, 1867) (original combination)
      » Species Helix tescorum Benson, 1853 (taxon inquirendum)
      » Species Helix thibetica Deshayes, 1870 (taxon inquirendum)
      » Species Helix torus Matheron, 1843 † (taxon inquirendum)
      » Species Helix tristrami L. Pfeiffer, 1860 (taxon inquirendum)
      » Species Helix varnensis Toula, 1892 † (taxon inquirendum)
      » Species Helix vesica I. Lea, 1834 (taxon inquirendum)
      » Species Helix veterna Meek & Hayden, 1861 † (taxon inquirendum)
        » Subspecies Helix veterna veternior Cockerell, 1915 † accepted as Glypterpes veternior (Cockerell, 1915) † (new combination; considered a distinct species)
      » Species Helix vetusta Meek & Hayden, 1860 † (taxon inquirendum)
      » Species Helix villosella Thomä, 1845 † (taxon inquirendum)
      » Species Helix woodiana I. Lea, 1834 (taxon inquirendum)
      » Species Helix yorkensis Reeve, 1854 (taxon inquirendum)
      » Species Helix calomorpha Jonas, 1839 (nomen dubium)
      » Species Helix eurabdota Fontannes, 1884 † (nomen dubium)
      » Species Helix gjalskii Brusina, 1902 † (nomen dubium)
      » Species Helix laevigata Linnaeus, 1767 accepted as Velutina laevigata (Linnaeus, 1767) (nomen dubium, original combination)
      » Species Helix minutialis Deshayes, 1851 (nomen dubium)
      » Species Helix multispirata Hombron & Jacquinot, 1852 (nomen dubium)
      » Species Helix oceanica Le Guillou, 1842 (nomen dubium)
      » Species Helix oddoi Brusina, 1902 † (nomen dubium)
      » Species Helix pilari Brusina, 1902 † (nomen dubium)
      » Species Helix rotula Hombron & Jacquinot, 1852 (nomen dubium, invalid: junior homonym of Helix rotula Lowe, 1831; no replacement name available)
      » Species Helix unispiralis Montagu, 1803 (nomen dubium)
      » Subgenus Helix (Pitys) H. Beck, 1837 (nomen nudum)
        » Species Helix (Pitys) oparana H. Beck, 1837 (nomen nudum)
      » Species Helix angulata Férussac, 1821 (nomen nudum)
      » Species Helix congellana Krauss mss in E. von Martens, 1860 (nomen nudum)
      » Species Helix exoptata Tate, 1882 (nomen nudum)
      » Species Helix globula Krynicki, 1838 (nomen nudum)
      » Species Helix roseri F. Krauss in E. von Martens, 1860 (nomen nudum)
      » Species Helix roseri Krauss in E. von Martens, 1860 (nomen nudum)
      » Species Helix somersetii Prime, 1853 (nomen nudum)
      » Species Helix rosacea Sowerby I, 1839 (temporary name, Invalid: junior homonym of Helix rosacea O. F. Müller, 1774)
      » Subgenus Helix (Helix) Linnaeus, 1758 represented as Helix Linnaeus, 1758
        » Species Helix (Helix) albescens Rossmässler, 1839 represented as Helix albescens Rossmässler, 1839
        » Species Helix (Helix) anctostoma Martens, 1874 represented as Helix anctostoma Martens, 1874
        » Species Helix (Helix) antiochiensis Kobelt, 1896 represented as Helix antiochiensis Kobelt, 1896
        » Species Helix (Helix) asemnis Bourguignat, 1860 represented as Helix asemnis Bourguignat, 1860
        » Species Helix (Helix) borealis Mousson, 1859 represented as Helix borealis Mousson, 1859
        » Species Helix (Helix) buchii (Dubois de Montpéreux, 1840) represented as Helix buchii (Dubois de Montpéreux, 1840)
        » Species Helix (Helix) calabrica Westerlund, 1876 represented as Helix calabrica Westerlund, 1876
        » Species Helix (Helix) cincta O. F. Müller, 1774 represented as Helix cincta O. F. Müller, 1774
        » Species Helix (Helix) dormitoris Kobelt, 1898 represented as Helix dormitoris Kobelt, 1898
        » Species Helix (Helix) escherichi O. Boettger, 1898 represented as Helix escherichi O. Boettger, 1898
        » Species Helix (Helix) fathallae Nägele, 1901 represented as Helix fathallae Nägele, 1901
        » Species Helix (Helix) gussoneana L. Pfeiffer, 1848 represented as Helix gussoneana L. Pfeiffer, 1848
        » Species Helix (Helix) krejcii Wenz in Krejci & Wenz, 1926 † represented as Helix krejcii Wenz in Krejci-Graf & Wenz, 1926 †
        » Species Helix (Helix) ligata O. F. Müller, 1774 represented as Helix ligata O. F. Müller, 1774
        » Species Helix (Helix) lucorum Linnaeus, 1758 represented as Helix lucorum Linnaeus, 1758
        » Species Helix (Helix) lutescens Rossmässler, 1837 represented as Helix lutescens Rossmässler, 1837
        » Species Helix (Helix) melanostoma Draparnaud, 1801 represented as Helix melanostoma Draparnaud, 1801
        » Species Helix (Helix) mileti Kobelt, 1906 represented as Helix mileti Kobelt, 1906
        » Species Helix (Helix) pathetica Mousson, 1854 represented as Helix pathetica Mousson, 1854
        » Species Helix (Helix) pelagonesica (Rolle, 1898) represented as Helix pelagonesica (Rolle, 1898)
        » Species Helix (Helix) philibinensis Rossmässler, 1839 represented as Helix philibinensis Rossmässler, 1839
        » Species Helix (Helix) pomacella Mousson, 1854 represented as Helix pomacella Mousson, 1854
        » Species Helix (Helix) pomatella Kobelt, 1876 represented as Helix pomatella Kobelt, 1876
        » Species Helix (Helix) pomatia Linnaeus, 1758 represented as Helix pomatia Linnaeus, 1758
        » Species Helix (Helix) pronuba Westerlund & Blanc, 1879 represented as Helix pronuba Westerlund & Blanc, 1879
        » Species Helix (Helix) schlaeflii Mousson, 1859 represented as Helix schlaeflii Mousson, 1859
        » Species Helix (Helix) secernenda Rossmässler, 1837 represented as Helix secernenda Rossmässler, 1847
        » Species Helix (Helix) straminea Briganti, 1825 represented as Helix straminea Briganti, 1825
        » Species Helix (Helix) sublutescens Wenz in Krejci & Wenz, 1926 † represented as Helix sublutescens Wenz in Krejci & Wenz, 1926 †
        » Species Helix (Helix) thessalica O. Boettger, 1886 represented as Helix thessalica O. Boettger, 1886
        » Species Helix (Helix) valentini Kobelt, 1891 represented as Helix valentini Kobelt, 1891
        » Species Helix (Helix) vladica (Kobelt, 1898) represented as Helix vladica (Kobelt, 1898)
      » Subgenus Helix (Pelasga) P. Hesse, 1908 represented as Helix Linnaeus, 1758
      » Species Helix "plicata" Born, 1778 accepted as Stenomelania plicaria (Born, 1778) (misspelled for plicaria [see erratum, p. 2], not H. plicata [p. 376])
      » Subgenus Helix (Acanthinula) H. Beck, 1847 accepted as Acanthinula H. Beck, 1847
      » Subgenus Helix (Acusta) Martens, 1860 accepted as Acusta Martens, 1860
        » Species Helix (Acusta) secusana Gredler, 1892 accepted as Cathaica secusana (Gredler, 1892) (original combination)
      » Subgenus Helix (Aegista) Albers, 1850 accepted as Aegista Albers, 1850
        » Species Helix (Aegista) pannonica Lörenthey, 1906 † (taxon inquirendum)
        » Species Helix (Aegista) blakei Kobelt, 1879 accepted as Karaftohelix blakeana (Newcomb, 1865) (junior synonym)
        » Species Helix (Aegista) gerlachi Martens, 1881 accepted as Plectotropis gerlachi (Martens, 1881) (original combination)
        » Species Helix (Aegista) laurentii Gredler, 1887 accepted as Aegista laurentii (Gredler, 1887) (original combination)
        » Species Helix (Aegista) packhaensis Bavay & Dautzenberg, 1909 accepted as Aegista packhaensis (Bavay & Dautzenberg, 1909) (original combination)
        » Species Helix (Aegista) virilis Gredler, 1887 accepted as Ganesella virilis (Gredler, 1887) (original combination)
      » Subgenus Helix (Aerope) E. von Martens, 1890 accepted as Natalina Pilsbry, 1893
        » Species Helix (Aerope) eumacta Melvill & Ponsonby, 1892 accepted as Natalina cafra eumacta (Melvill & Ponsonby, 1892) (original combination)
        » Species Helix (Aerope) trimeni Melvill & Ponsonby, 1892 accepted as Afrorhytida trimeni (Melvill & Ponsonby, 1892) (original combination)
      » Subgenus Helix (Aglaja) Albers, 1850 accepted as Lysinoe H. Adams & A. Adams, 1855 (Invalid: junior homonym of Aglaja Renier, 1807 [Opisthobranchia]; Lysinoe is a replacement name)
      » Subgenus Helix (Ampelita) H. Beck, 1837 accepted as Ampelita H. Beck, 1837 (original rank)
        » Species Helix (Ampelita) alluaudi Dautzenberg, 1895 accepted as Ampelita alluaudi (Dautzenberg, 1895) (original combination)
        » Species Helix (Ampelita) campbelliana Pilsbry in Tryon, 1890 accepted as Ampelita gaudens var. campbelliana (Pilsbry in Tryon, 1890) (original combination)
        » Species Helix (Ampelita) eurychila Crosse & P. Fischer, 1883 accepted as Ampelita sepulcralis (Férussac, 1821) (junior synonym)
        » Species Helix (Ampelita) gonostyla Ancey, 1882 accepted as Ampelita calypso (L. Pfeiffer, 1861) (junior synonym)
        » Species Helix (Ampelita) lamothei Dautzenberg, 1895 accepted as Ampelita lamothei (Dautzenberg, 1895)
        » Species Helix (Ampelita) lanciformis O. Boettger, 1889 accepted as Ampelita gaudens (Mabille, 1884) (junior synonym)
        » Species Helix (Ampelita) percyana E. A. Smith, 1880 accepted as Ampelita percyana (E. A. Smith, 1880) (original combination)
        » Species Helix (Ampelita) shavi E. A. Smith, 1879 accepted as Ampelita xystera (L. Pfeiffer, 1841) (junior synonym)
        » Species Helix (Ampelita) subatropos Dautzenberg, 1895 accepted as Ampelita subatropos (Dautzenberg, 1895) (original combination)
      » Subgenus Helix (Amphidoxa) Albers, 1850 accepted as Amphidoxa Albers, 1850 (original rank)
      » Subgenus Helix (Anguispira) Morse, 1864 accepted as Anguispira Morse, 1864
        » Species Helix (Anguispira) idahoensis (uncertain)
      » Subgenus Helix (Archelix) Albers, 1850 accepted as Otala Schumacher, 1817 (objective junior synonym)
      » Subgenus Helix (Arionta) Martens, 1860 accepted as Arianta W. Turton, 1831 (unjustified emendation of Arianta)
      » Subgenus Helix (Ariophanta) Des Moulins, 1829 accepted as Ariophanta Des Moulins, 1829 (original rank)
      » Subgenus Helix (Atopa) Albers, 1850 accepted as Corilla H. Adams & A. Adams, 1855 (Invalid: junior homonym of Atopa Paykull, 1799 [Coleoptera])
      » Subgenus Helix (Aulacospira) Möllendorff, 1890 accepted as Aulacospira Möllendorff, 1890
        » Species Helix (Aulacospira) azpeitiae Hidalgo, 1890 accepted as Pseudostreptaxis azpeitiae (Hidalgo, 1890) (original combination)
      » Subgenus Helix (Axina) Albers, 1850 accepted as Anixa Pilsbry, 1895 (Invalid: junior homonym of Axina Kirby, 1819 [Coleoptera]; Anixa is a replacement name)
      » Subgenus Helix (Bradybaena) Beck, 1837 accepted as Bradybaena H. Beck, 1837 (original rank)
      » Subgenus Helix (Buliminopsis) Heude, 1890 accepted as Buliminopsis Heude, 1890 (unaccepted rank)
        » Species Helix (Buliminopsis) chineensis Bavay & Dautzenberg, 1909 accepted as Coccoderma chineensis (Bavay & Dautzenberg, 1909) (basionym)
        » Species Helix (Buliminopsis) corti (Bavay & Dautzenberg, 1909) accepted as Coccoderma corti (Bavay & Dautzenberg, 1909) (original combination)
        » Species Helix (Buliminopsis) straminea (Möllendorff, 1901) accepted as Ganesella straminea (Möllendorff, 1901) (unaccepted combination)
        » Species Helix (Buliminopsis) substraminea Bavay & Dautzenberg, 1909 accepted as Ganesella substraminea (Bavay & Dautzenberg, 1909) (original combination)
      » Subgenus Helix (Callina) R. T. Lowe, 1855 accepted as Callina R. T. Lowe, 1855 (original rank)
      » Subgenus Helix (Camaena) Albers, 1850 accepted as Camaena Albers, 1850 (original rank)
        » Species Helix (Camaena) aureedensis Brazier, 1872 accepted as Figuladra incei lessoni (Pfeiffer, 1846) (junior synonym)
        » Species Helix (Camaena) bairdi H. Adams, 1866 accepted as Satsuma bairdi (H. Adams, 1866) (original combination)
        » Species Helix (Camaena) barneyi Cox, 1873 accepted as Hadra barneyi (Cox, 1873) (original combination)
        » Species Helix (Camaena) billeti H. Fischer, 1898 accepted as Camaena billeti (H. Fischer, 1898) (original combination)
        » Species Helix (Camaena) challisi Cox, 1873 accepted as Figuladra challisi (Cox, 1873) (basionym)
        » Species Helix (Camaena) cicatricosa (O. F. Müller, 1774) accepted as Camaena cicatricosa (O. F. Müller, 1774)
        » Species Helix (Camaena) congenita E. A. Smith, 1878 accepted as Euhadra congenita (E. A. Smith, 1878) (original combination)
        » Species Helix (Camaena) contractiva Mabille, 1889 accepted as Camaena contractiva (Mabille, 1889) (unaccepted combination)
        » Species Helix (Camaena) duporti Bavay & Dautzenberg, 1909 accepted as Neotrachia duporti (Bavay & Dautzenberg, 1909) (basionym)
        » Species Helix (Camaena) editha A. Adams, 1868 accepted as Ainohelix editha (A. Adams, 1868) (original combination)
        » Species Helix (Camaena) gabriellae Dautzenberg & d'Hammonville, 1887 accepted as Camaena gabriellae (Dautzenberg & d'Hammonville, 1887)
          » Subspecies Helix (Camaena) gabriellae subhainensis Pilsbry, 1891 accepted as Camaena gabriellae subhainensis (Pilsbry, 1891) (original combination)
        » Species Helix (Camaena) graeseri Mousson, 1887 accepted as Bradybaena graeseri (Mousson, 1887) (original combination)
        » Species Helix (Camaena) hainanensis H. Adams, 1870 accepted as Camaena hainanensis (H. Adams, 1870) (original combination)
        » Species Helix (Camaena) lavezzarii Bavay & Dautzenberg, 1900 accepted as Camaena choboensis (Mabille, 1889) (synonym)
        » Species Helix (Camaena) lewisii E. A. Smith, 1878 accepted as Satsuma lewisii (E. A. Smith, 1878) (original combination)
        » Species Helix (Camaena) miranda A. Adams, 1868 accepted as Karaftohelix blakeana (Newcomb, 1865) (junior synonym)
        » Species Helix (Camaena) mirifica Bavay & Dautzenberg, 1908 accepted as Camaena mirifica (Bavay & Dautzenberg, 1908) (original combination)
        » Species Helix (Camaena) serotina A. Adams, 1868 accepted as Karaftohelix blakeana (Newcomb, 1865) (junior synonym)
        » Species Helix (Camaena) succincta H. Adams, 1866 accepted as Satsuma succincta (H. Adams, 1866) (original combination)
        » Species Helix (Camaena) vayssierei Bavay & Dautzenberg, 1909 accepted as Camaena vayssierei (Bavay & Dautzenberg, 1909) (original combination)
        » Species Helix (Camaena) vorvonga Bavay & Dautzenberg, 1900 accepted as Camaena vorvonga (Bavay & Dautzenberg, 1900) (original combination)
      » Subgenus Helix (Camena) E. von Martens, 1860 accepted as Camaena Albers, 1850 (invalid: unjustified emendation of Camaena)
        » Species Helix (Camena) constantinae Adams, 1870 accepted as Cathaica constantinae (H. Adams, 1870) (original combination)
      » Subgenus Helix (Campylaea) H. Beck, 1837 accepted as Campylaea H. Beck, 1837
      » Subgenus Helix (Caprinus) Montfort, 1810 accepted as Pleurodonte Fischer von Waldheim, 1807
      » Subgenus Helix (Caracolina) H. Beck, 1837 accepted as Caracollina H. Beck, 1837 (incorrect subsequent spelling)
      » Subgenus Helix (Caracolla) Albers, 1850 accepted as Caracolla Albers, 1850 (unaccepted rank)
        » Species Helix (Caracolla) retrorsa Gould, 1843 (taxon inquirendum)
        » Species Helix (Caracolla) anceps Gould, 1843 accepted as Holkeion anceps (Gould, 1843)
        » Species Helix (Caracolla) gabata Gould, 1844 accepted as Chloritis gabata (Gould, 1844) (basionym)
      » Subgenus Helix (Carocolla) accepted as Caracolus Montfort, 1810 (incorrect subsequent spelling)
      » Subgenus Helix (Carthusiana) Kobelt, 1871 accepted as Monacha Fitzinger, 1833
        » Species Helix (Carthusiana) transcaspia O. Boettger, 1889 (taxon inquirendum)
        » Species Helix (Carthusiana) oxyspira Babor, 1897 † accepted as Leucochroopsis apicalis (Reuss, 1861) † (junior synonym)
      » Subgenus Helix (Charopa) Martens, 1860 accepted as Charopa E. von Martens, 1860
        » Species Helix (Charopa) ammonitoides Brazier, 1871 accepted as Ammoniropa vigens (Legrand, 1871) (junior synonym)
        » Species Helix (Charopa) bassi Legrand, 1871 accepted as Ammoniropa vigens (Legrand, 1871) (junior synonym)
        » Species Helix (Charopa) camillae Legrand, 1871 accepted as Thryasona diemenensis (Cox, 1868) (junior synonym)
        » Species Helix (Charopa) curacoae Brazier, 1871 accepted as Protractiropa curacoae (Brazier, 1871) (original combination)
        » Species Helix (Charopa) dispar Brazier, 1871 accepted as Dentherona dispar (Brazier, 1871) (original combination)
        » Species Helix (Charopa) irvinae Legrand, 1871 accepted as Stenacapha hamiltoni (Cox, 1868) (junior synonym)
        » Species Helix (Charopa) limula Legrand, 1871 accepted as Tasmathera limula (Legrand, 1871) (original combination)
        » Species Helix (Charopa) midsoni Legrand, 1871 accepted as Thryasona diemenensis (Cox, 1868) (junior synonym)
        » Species Helix (Charopa) neglecta Brazier, 1871 accepted as Planilaoma luckmanii (Brazier, 1877) (invalid: junior homonym of Helix neglecta Draparnaud, 1805)
        » Species Helix (Charopa) onslowi Brazier, 1871 accepted as Tasmathera ricei (Brazier, 1871) (junior synonym)
        » Species Helix (Charopa) ricei Brazier, 1871 accepted as Tasmathera ricei (Brazier, 1871) (original combination)
        » Species Helix (Charopa) rotella Brazier, 1871 accepted as Tasmathera ricei (Brazier, 1871) (junior synonym)
        » Species Helix (Charopa) scrupulus Legrand, 1871 accepted as Stenacapha hamiltoni (Cox, 1868) (junior synonym)
        » Species Helix (Charopa) spoliata Legrand, 1871 accepted as Stenacapha hamiltoni (Cox, 1868) (junior synonym)
        » Species Helix (Charopa) subdepressa Brazier, 1872 accepted as Meredithena dandenongensis (Petterd, 1879) (invalid: junior homonym of Helix subdepressa d'Orbigny, 1852)
        » Species Helix (Charopa) thompsoni Legrand, 1871 accepted as Thryasona diemenensis (Cox, 1868) (junior synonym)
        » Species Helix (Charopa) wilkinsoni Brazier, 1889 accepted as Charopella wilkinsoni (Brazier, 1889) (original combination)
      » Subgenus Helix (Chilanodon) Westerlund, 1897 accepted as Chilanodon Westerlund, 1897 (original rank)
      » Subgenus Helix (Chloraea) Albers, 1850 accepted as Chloraea Albers, 1850 (original rank)
      » Subgenus Helix (Chloritis) Beck, 1837 accepted as Chloritis H. Beck, 1837 (original rank)
        » Species Helix (Chloritis) balansai Morlet, 1886 accepted as Trachia balansai (Morlet, 1886)
          » Variety Helix (Chloritis) balansai var. cincta Dautzenberg & Fischer, 1905 accepted as Trachia balansai (Morlet, 1886) (original combination)
        » Species Helix (Chloritis) balatensis Kobelt, 1896 accepted as Chloritis balatensis (Kobelt, 1896) (original combination)
        » Species Helix (Chloritis) cavaleriei Bavay, 1913 accepted as Entadella cavaleriei (Bavay, 1913) (original combination)
        » Species Helix (Chloritis) cordieri Bavay & Dautzenberg, 1909 accepted as Trachia cordieri (Bavay & Dautzenberg, 1909) (original combination)
        » Species Helix (Chloritis) durandi Bavay & Dautzenberg, 1900 accepted as Trachia durandi (Bavay & Dautzenberg, 1900) (original combination)
        » Species Helix (Chloritis) gereti Bavay & Dautzenberg, 1900 accepted as Trichochloritis gereti (Bavay & Dautzenberg, 1900) (original combination)
        » Species Helix (Chloritis) lambineti Bavay & Dautzenberg, 1899 accepted as Trachia lambineti (Bavay & Dautzenberg, 1899) (original combination)
        » Species Helix (Chloritis) lemeslei Morlet, 1891 accepted as Camaena lemeslei (Morlet, 1891) (original combination)
        » Species Helix (Chloritis) limatulata Bavay & Dautzenberg, 1909 accepted as Trachia limatulata (Bavay & Dautzenberg, 1909) (original combination)
        » Species Helix (Chloritis) marimberti Bavay & Dautzenberg, 1900 accepted as Trachia marimberti (Bavay & Dautzenberg, 1900) (original combination)
        » Species Helix (Chloritis) miara Mabille, 1887 accepted as Trichochloritis miara (Mabille, 1887) (unaccepted combination)
        » Species Helix (Chloritis) millepunctata E. A. Smith, 1894 accepted as Damochlora millepunctata (E. A. Smith, 1894) (basionym)
        » Species Helix (Chloritis) nasuta Bavay & Dautzenberg, 1909 accepted as Trachia nasuta (Bavay & Dautzenberg, 1909) (original combination)
        » Species Helix (Chloritis) pseudomiara Bavay & Dautzenberg, 1909 accepted as Bellatrachia pseudomiara (Bavay & Dautzenberg, 1909) (basionym)
        » Species Helix (Chloritis) rectilabrum E.A. Smith, 1894 accepted as Setobaudinia rectilabrum (E.A. Smith, 1894) (basionym)
        » Species Helix (Chloritis) remoratrix Morlet, 1893 accepted as Chloritis remoratrix (Morlet, 1893) (original combination)
        » Species Helix (Chloritis) schlosseriana Brusina, 1874 † accepted as Pseudochloritis schlosseriana (Brusina, 1874) † (new combination)
        » Species Helix (Chloritis) talabensis Kobelt, 1896 accepted as Chloritis talabensis (Kobelt, 1896) (original combination)
      » Subgenus Helix (Circinaria) Beck, 1837 accepted as Vallonia Risso, 1826 (junior synonym)
      » Subgenus Helix (Cochlicella) A. Férussac, 1821 accepted as Cochlicella A. Férussac, 1821
        » Species Helix (Cochlicella) hannensis Rang, 1831 accepted as Opeas hannense (Rang, 1831) (original combination)
        » Species Helix (Cochlicella) ventrosa Férussac, 1821 accepted as Cochlicella barbara (Linnaeus, 1758)
      » Subgenus Helix (Cochlicelle) [sic] accepted as Cochlicella A. Férussac, 1821 (misspelling)
      » Subgenus Helix (Cochlicopa) accepted as Cochlicopa A. Férussac, 1821 (original rank)
      » Subgenus Helix (Cochlitoma) Férussac, 1821 accepted as Cochlitoma A. Férussac, 1821 (original rank)
        » Species Helix (Cochlitoma) fulica Férussac, 1821 accepted as Achatina fulica Bowdich, 1822 (nomen nudum)
        » Species Helix (Cochlitoma) micra d'Orbigny, 1835 accepted as Allopeas micra (d'Orbigny, 1835) (basionym)
        » Species Helix (Cochlitoma) panthera Férussac, 1821 accepted as Achatina panthera Férussac in Deshayes, 1851 (nomen nudum)
      » Subgenus Helix (Cochlodonta) A. Férussac, 1821 accepted as Cochlodonta A. Férussac, 1821
        » Species Helix (Cochlodonta) palanga A. Férussac, 1821 accepted as Gonospira palanga (Lesson, 1831) (nomen dubium)
        » Species Helix (Cochlodonta) palangula A. Férussac, 1821 (nomen nudum)
        » Species Helix (Cochlodonta) pagoda A. Férussac, 1821 accepted as Gonidomus concamerata (Wood, 1828) (nomen nudum)
      » Subgenus Helix (Cochlogena) Férussac, 1821 accepted as Bulimulus Leach, 1814
        » Species Helix (Cochlogena) aedilis Férussac, 1821 accepted as Limicolaria kambeul (Bruguière, 1792) (junior synonym)
        » Species Helix (Cochlogena) apodemetes d'Orbigny, 1835 accepted as Bulimulus apodemetes (d'Orbigny, 1835) (original combination)
        » Species Helix (Cochlogena) aurisbovinus Férussac, 1821 accepted as Placostylus fibratus (Martyn, 1784)
        » Species Helix (Cochlogena) bahiensis S. Moricand, 1834 accepted as Bahiensis bahiensis (S. Moricand, 1834) (original combination)
        » Species Helix (Cochlogena) crepundia d'Orbigny, 1835 accepted as Naesiotus crepundia (d'Orbigny, 1835) (original combination)
        » Species Helix (Cochlogena) flammata Cailliaud, 1823 accepted as Bulimus cailliaudi L. Pfeiffer, 1850 (junior primary homonym of Helix flammata Férussac, 1821)
        » Species Helix (Cochlogena) mathiusii d'Orbigny, 1835 accepted as Megalobulimus leucostoma (G. B. Sowerby I, 1835)
        » Species Helix (Cochlogena) montivaga d'Orbigny, 1835 accepted as Naesiotus montivagus (d'Orbigny, 1835) (original combination)
        » Species Helix (Cochlogena) rocayana d'Orbigny, 1835 accepted as Naesiotus rocayanus (d'Orbigny, 1835) (original combination)
        » Species Helix (Cochlogena) zebrula A. Férussac, 1821 accepted as Chondrus zebrula (A. Férussac, 1821) (basionym)
      » Subgenus Helix (Cochlostyla) A. Férussac, 1821 accepted as Cochlostyla A. Férussac, 1821
        » Species Helix (Cochlostyla) pardalis Férussac, 1821 accepted as Dryptus pardalis (Férussac, 1821) (original combination)
        » Species Helix (Cochlostyla) taunaisii Férussac, 1822 accepted as Thaumastus taunaisii (Férussac, 1822) (original combination)
      » Subgenus Helix (Codringtonia) Kobelt, 1898 accepted as Codringtonia Kobelt, 1898 (original rank)
      » Subgenus Helix (Conulus) Fitzinger, 1833 accepted as Euconulus Reinhardt, 1883 (Invalid: junior homonym of Conulus Leske, 1778 [Echinodermata])
        » Species Helix (Conulus) liardeti Brazier, 1872 (taxon inquirendum)
        » Species Helix (Conulus) chersinella Dall, 1866 accepted as Pristiloma chersinella (Dall, 1866)
        » Species Helix (Conulus) darnleyensis Brazier, 1876 accepted as Coneuplecta pampini (Cox, 1868) (junior synonym)
        » Species Helix (Conulus) elasmodonta Reuss, 1861 † accepted as Strobilops (Eostrobilops) elasmodonta (Reuss, 1861) † (new combination)
        » Species Helix (Conulus) elleryi Brazier, 1875 accepted as Coneuplecta microconus (Mousson, 1865) (junior synonym)
        » Species Helix (Conulus) pampini Cox, 1868 accepted as Coneuplecta pampini (Cox, 1868) (original combination)
        » Species Helix (Conulus) parvissima Legrand, 1871 accepted as Trocholaoma parvissima (Legrand, 1871) (original combination)
        » Species Helix (Conulus) porti Brazier, 1876 accepted as Pupisoma porti (Brazier, 1876) (original combination)
        » Species Helix (Conulus) russelli Brazier, 1875 accepted as Sodaleta russelli (Brazier, 1875) (original name)
        » Species Helix (Conulus) starkei Brazier, 1876 accepted as Serostena starkei (Brazier, 1876) (original combination)
        » Species Helix (Conulus) subturritula G. Nevill & H. Nevill, 1871 accepted as Nesokaliella subturritula (G. Nevill & H. Nevill, 1871) (original combination)
      » Subgenus Helix (Corasia) Albers, 1850 accepted as Chloraea Albers, 1850 (Invalid: junior homonym of Corasia Huebner, 1826 [Lepidoptera])
        » Species Helix (Corasia) anadyomene A. Adams & Angas, 1864 accepted as Crystallopsis anadyomene (A. Adams & Angas, 1864) (original combination)
        » Species Helix (Corasia) balcombei Cox, 1873 accepted as Crystallopsis balcombei (Cox, 1873) (original combination)
        » Species Helix (Corasia) psyche Angas, 1870 accepted as Crystallopsis psyche (Angas, 1870) (original combination)
        » Species Helix (Corasia) rossiteri Angas, 1869 accepted as Crystallopsis rossiteri (Angas, 1869) (original combination)
        » Species Helix (Corasia) tricolor Pfeiffer, 1850 accepted as Crystallopsis tricolor (Pfeiffer, 1850)
          » Variety Helix (Corasia) tricolor var. picta E. A. Smith, 1885 accepted as Crystallopsis (Cristovala) tricolor picta (E. A. Smith, 1885) (invalid: junior homonym of Helix picta Born, 1778)
          » Variety Helix (Corasia) tricolor var. transenna Pilsbry, 1891 accepted as Crystallopsis (Cristovala) tricolor picta (E. A. Smith, 1885) (junior synonym)
        » Species Helix (Corasia) wisemani Brazier, 1876 accepted as Crystallopsis wisemani (Brazier, 1876) (basionym)
        » Species Helix (Corasia) woodfordi G. B. Sowerby III, 1890 accepted as Crystallopsis woodfordi (Sowerby III, 1890) (original combination)
      » Subgenus Helix (Corilla) H. Adams & A. Adams, 1855 accepted as Corilla H. Adams & A. Adams, 1855
        » Species Helix (Corilla) damarensis H. Adams, 1870 accepted as Sculptaria damarensis (H. Adams, 1870) (original combination)
        » Species Helix (Corilla) pettos Martens, 1868 accepted as Endothyrella pinacis (Benson, 1859) (junior synonym)
      » Subgenus Helix (Cornu) Born, 1778 accepted as Cornu Born, 1778
        » Species Helix (Cornu) aspersa O. F. Müller, 1774 accepted as Cornu aspersum (O. F. Müller, 1774) (superseded combination)
      » Subgenus Helix (Coryda) Albers, 1850 accepted as Coryda Albers, 1850 (original rank)
      » Subgenus Helix (Craspedaria) R. T. Lowe, 1852 accepted as Craspedaria R. T. Lowe, 1852 (original combination)
        » Species Helix (Craspedaria) coronula R. T. Lowe, 1852 accepted as Geomitra coronula (R. T. Lowe, 1852) (original combination)
      » Subgenus Helix (Crenea) Albers, 1850 accepted as Creneatachea Zilch, 1960 † (junior homonym of Crenea Risso, 1826)
      » Subgenus Helix (Cryptaxis) R. T. Lowe, 1855 accepted as Leptaxis (Cryptaxis) R. T. Lowe, 1855
      » Subgenus Helix (Cryptomphalus) Charpentier, 1837 accepted as Cornu Born, 1778
      » Subgenus Helix (Crystallus) R. T. Lowe, 1855 accepted as Vitrea Fitzinger, 1833
      » Subgenus Helix (Cyrtochilus) F. Sandberger, 1875 † accepted as Cyrtochilus F. Sandberger, 1875 †
      » Subgenus Helix (Daedalochila) Beck, 1837 accepted as Daedalochila H. Beck, 1837 (original rank)
      » Subgenus Helix (Dentellocaracolus) Oppenheim, 1890 † accepted as Dentellocaracolus Oppenheim, 1890 †
      » Subgenus Helix (Dialeuca) Albers, 1850 accepted as Dialeuca Albers, 1850 (original rank)
      » Subgenus Helix (Dimorphoptychia) F. Sandberger, 1871 † accepted as Dimorphoptychia F. Sandberger, 1871 †
        » Species Helix (Dimorphoptychia) arnouldi Michaud, 1837 † accepted as Dimorphoptychia arnoudii (Michaud, 1837) † (incorrect subsequent spelling)
      » Subgenus Helix (Discus) Fitzinger, 1833 accepted as Discus Fitzinger, 1833
        » Species Helix (Discus) agnewi Legrand, 1871 accepted as Exquisitiropa agnewi (Legrand, 1871) (original combination)
        » Species Helix (Discus) coepta Legrand, 1871 accepted as Stenacapha hamiltoni (Cox, 1868) (junior synonym)
        » Species Helix (Discus) kingstonensis Legrand, 1871 accepted as Diemenoropa kingstonensis (Legrand, 1871) (original combination)
        » Species Helix (Discus) ramsgatensis Legrand, 1871 accepted as Protractiropa curacoae (Brazier, 1871) (junior synonym)
      » Subgenus Helix (Discus) Albers, 1850 accepted as Videna H. Adams & A. Adams, 1855 (invalid: junior homonym of Discus Fitzinger, 1833; Disculus and Videna are replacement names)
        » Species Helix (Discus) atkinsoni Legrand, 1871 accepted as Thryasona diemenensis (Cox, 1868) (junior synonym)
        » Species Helix (Discus) cerealis Cox, 1873 accepted as Trochomorpha meleagris (L. Pfeiffer, 1855) (invalid: junior homonym of H. cerealis Crosse, 1868; H. thorpeiana Brazier, 1883 is a replacement name)
        » Species Helix (Discus) daveyensis Legrand, 1871 accepted as Thryasona diemenensis (Cox, 1868) (junior synonym)
        » Species Helix (Discus) fuscoradiata Legrand, 1871 accepted as Thryasona diemenensis (Cox, 1868) (junior synonym)
        » Species Helix (Discus) juliformis Legrand, 1871 accepted as Diemenoropa kingstonensis (Legrand, 1871) (junior synonym)
        » Species Helix (Discus) lomonti Brazier, 1876 accepted as Geodiscus lomonti (Brazier, 1876) (original combination)
        » Species Helix (Discus) marchianae Legrand, 1871 accepted as Thryasona diemenensis (Cox, 1868) (junior synonym)
        » Species Helix (Discus) officeri Legrand, 1871 accepted as Scelidoropa officeri (Legrand, 1871) (original combination)
        » Species Helix (Discus) spectra Legrand, 1871 accepted as Diemenoropa kingstonensis (Legrand, 1871) (junior synonym)
        » Species Helix (Discus) thorpeiana Brazier, 1883 accepted as Trochomorpha meleagris (L. Pfeiffer, 1855) (junior synonym)
        » Species Helix (Discus) vigens Legrand, 1871 accepted as Ammoniropa vigens (Legrand, 1871) (original combination)
      » Subgenus Helix (Dorcasia) Gray, 1838 accepted as Dorcasia Gray, 1838
      » Subgenus Helix (Endodonta) Albers, 1850 accepted as Endodonta Albers, 1850
        » Species Helix (Endodonta) fuscozonata Beddome, 1889 represented as Helix fuscozonata Beddome, 1889
        » Species Helix (Endodonta) kororensis Beddome, 1889 accepted as Semperdon kororensis (Beddome, 1889) (original combination)
      » Subgenus Helix (Epiphragmophora) Doering, 1875 accepted as Epiphragmophora Doering, 1875
      » Subgenus Helix (Erepta) Albers, 1850 accepted as Erepta Albers, 1850 (original rank)
      » Subgenus Helix (Erigone) Albers, 1850 accepted as Chloritis (Eustomopsis) Gude, 1906 (Invalid: junior homonym of Erigone Audouin, 1826 [Arachnida])
      » Subgenus Helix (Euhadra) Pilsbry, 1890 accepted as Euhadra Pilsbry, 1890
      » Subgenus Helix (Eulota) W. Hartmann, 1841 accepted as Eulota W. Hartmann, 1841 (unaccepted rank)
        » Species Helix (Eulota) vignali Bavay & Dautzenberg, 1900 (taxon inquirendum)
        » Species Helix (Eulota) jourdyi Morlet, 1886 accepted as Bradybaena jourdyi (Morlet, 1886) (original combination)
          » Variety Helix (Eulota) jourdyi var. elata Bavay & Dautzenberg, 1909 accepted as Bradybaena jourdyi (Morlet, 1886) (junior synonym)
          » Variety Helix (Eulota) jourdyi var. rufula Bavay & Dautzenberg, 1909 accepted as Bradybaena jourdyi (Morlet, 1886) (junior synonym)
          » Variety Helix (Eulota) jourdyi var. rugosa Bavay & Dautzenberg, 1909 accepted as Bradybaena jourdyi (Morlet, 1886) (junior synonym)
        » Species Helix (Eulota) nordenskioldi Westerlund, 1877 accepted as Lindholmomneme nordenskioldi (Westerlund, 1876) (original combination)
        » Species Helix (Eulota) sprattiana De Stefani in De Stefani et al., 1891 † accepted as Monacha sprattiana (De Stefani in De Stefani et al., 1891) † (new combination)
      » Subgenus Helix (Euparypha) W. Hartmann, 1843 accepted as Theba Risso, 1826
      » Subgenus Helix (Eurycratera) H. Beck, 1837 accepted as Eurycratera H. Beck, 1837
        » Species Helix (Eurycratera) betsileoensis Angas, 1879 accepted as Helicophanta betsileoensis (Angas, 1879) (original combination)
        » Species Helix (Eurycratera) ibaraoensis Angas, 1879 accepted as Helicophanta ibaraoensis (Angas, 1879) (original combination)
      » Subgenus Helix (Eyryomphala) Beck, 1837 accepted as Discus Fitzinger, 1833 (junior synonym)
      » Subgenus Helix (Fruticicola) Held, 1838 accepted as Fruticicola Held, 1838 (considered a separate genus)
        » Species Helix (Fruticicola) apicalis Reuss, 1861 † accepted as Leucochroopsis apicalis (Reuss, 1861) † (new combination)
        » Species Helix (Fruticicola) collinsoni A. Adams, 1868 accepted as Trishoplita collinsoni (A. Adams, 1868) (original combination)
        » Species Helix (Fruticicola) commoda A. Adams, 1868 accepted as Trishoplita commoda (A. Adams, 1868) (original combination)
        » Species Helix (Fruticicola) craspedocheila A. Adams, 1868 accepted as Euhadra craspedocheila (A. Adams, 1868) (original combination)
        » Species Helix (Fruticicola) crebripunctata F. Sandberger, 1858 † accepted as Leucochroopsis crebripunctata (F. Sandberger, 1858) † (new combination)
        » Species Helix (Fruticicola) devexa Reuss, 1861 accepted as Apula devexa (Reuss, 1861) † (new combination)
        » Species Helix (Fruticicola) gibbosa A. Adams, 1868 accepted as Satsuma gibbosa (A. Adams, 1868)
        » Species Helix (Fruticicola) goniostoma Sandberger, 1872 † accepted as Klikia (Apula) goniostoma (Sandberger, 1872) † (new combination)
        » Species Helix (Fruticicola) homalospira Reuss, 1861 † accepted as Pseudomonacha homalospira (Reuss, 1861) † (new combination)
        » Species Helix (Fruticicola) mataianensis Nevill, 1882 accepted as Cathaica mataianensis (Nevill, 1882) (original combination)
        » Species Helix (Fruticicola) moedlingensis Schlosser, 1907 † accepted as Leucochroopsis kleinii (Klein, 1846) † (junior synonym)
        » Species Helix (Fruticicola) patruelis A. Adams, 1868 accepted as Satsuma patruelis (A. Adams, 1868) (original combination)
        » Species Helix (Fruticicola) peculiaris A. Adams, 1868 accepted as Satsuma japonica peculiaris (A. Adams, 1868) (original combination)
        » Species Helix (Fruticicola) proba A. Adams, 1868 accepted as Aegista proba (A. Adams, 1868) (original combination)
        » Species Helix (Fruticicola) pulvisculum Issel, 1874 accepted as Pupisoma pulvisculum (Issel, 1874) (original name)
        » Species Helix (Fruticicola) sphinctostoma A. Adams, 1868 accepted as Satsuma sphinctostoma (A. Adams, 1868) (original combination)
        » Species Helix (Fruticicola) subvillosa Sandberger, 1858 † accepted as Leucochroopsis (Palaeotrichia) subvillosa (Sandberger, 1858) † (new combination)
      » Subgenus Helix (Fruticocampylaea) Kobelt, 1871 accepted as Fruticocampylaea Kobelt, 1871 (original rank)
        » Species Helix (Fruticocampylaea) adshariensis Lindholm, 1913 accepted as Hesseola solidior (Mousson, 1873) (a junior synonym)
        » Species Helix (Fruticocampylaea) eichwaldi L. Pfeiffer, 1846 accepted as Caucasigena eichwaldi (L. Pfeiffer, 1846) (new combination)
        » Species Helix (Fruticocampylaea) gerassimovi Lindholm, 1913 accepted as Caucasigena eichwaldi rengarteni (Lindholm, 1913) (original combination)
        » Species Helix (Fruticocampylaea) gredleri Hilber, 1882 accepted as Cathaica przewalskii gredleri (Hilber, 1882) (original combination and rank)
        » Species Helix (Fruticocampylaea) ioannis Mortillet, 1854 accepted as Caucasocressa ioannis (Mortillet, 1854) (new combination)
        » Species Helix (Fruticocampylaea) phaeolaema O. Boettger, 1886 accepted as Teberdinia phaeolaema (O. Boettger, 1886) (original combination)
        » Species Helix (Fruticocampylaea) rengarteni Lindholm, 1913 accepted as Caucasigena eichwaldi rengarteni (Lindholm, 1913) (original combination)
        » Species Helix (Fruticocampylaea) zolotarevi Lindholm, 1913 accepted as Teberdinia flavolimbata (O. Boettger, 1883) (a junior synonym)
      » Subgenus Helix (Fruticoconus) Möllendorff, 1882 accepted as Fruticoconus Möllendorff, 1882 (original rank)
        » Species Helix (Fruticoconus) trochulus Möllendorff, 1882 (taxon inquirendum)
      » Subgenus Helix (Fruticotrochus) Kobelt, 1879 accepted as Fruticotrochus Kobelt, 1879
        » Species Helix (Fruticotrochus) sitalina Gredler, 1887 accepted as Ganesella sitalina (Gredler, 1887) (original combination)
      » Subgenus Helix (Galactochilus) F. Sandberger, 1875 accepted as Polydontes (Galactochilus) F. Sandberger, 1875 (basionym)
      » Subgenus Helix (Galaxias) Beck, 1837 accepted as Trigonephrus Pilsbry, 1905 (invalid: junior homonym of Galaxias Cuvier, 1816)
      » Subgenus Helix (Ganesella) W. T. Blanford, 1863 accepted as Ganesella W.T. Blanford, 1863 (original rank)
      » Subgenus Helix (Gastrodonta) Albers, 1850 accepted as Gastrodonta Albers, 1850 (original rank)
      » Subgenus Helix (Geotrochus) van Hasselt, 1823 accepted as Geotrochus van Hasselt, 1823
        » Species Helix (Geotrochus) adonis Angas, 1870 accepted as Papuina adonis (Angas, 1870) (original combination)
        » Species Helix (Geotrochus) brenchleyi Brazier, 1876 accepted as Papuina splendescens (Cox, 1866) (junior synonym)
        » Species Helix (Geotrochus) caerulescens Angas, 1870 accepted as Papuina caerulescens (Angas, 1870) (invalid: junior homonym of Helix caerulescens Gmelin, 1791)
        » Species Helix (Geotrochus) deidamia Angas, 1870 accepted as Papuina meta (L. Pfeiffer, 1856) (junior synonym)
        » Species Helix (Geotrochus) gelata Cox, 1873 accepted as Papuina gelata (Cox, 1873) (original combination)
        » Species Helix (Geotrochus) gorenduensis Brazier, 1886 accepted as Rhynchotrochus gorenduensis (Brazier, 1886) (original combination)
        » Species Helix (Geotrochus) guppyi E. A. Smith, 1885 accepted as Papuina guppyi (E. A. Smith, 1885) (original combination)
        » Species Helix (Geotrochus) gurgustii Cox, 1879 accepted as Rhynchotrochus gurgustii (Cox, 1879) (original combination)
        » Species Helix (Geotrochus) hargreavesi Angas, 1870 accepted as Papuina hargreavesi (Angas, 1870) (original combination)
        » Species Helix (Geotrochus) heimburgi Branesik, 1891 accepted as Papustyla hindei (Cox, 1886) (junior synonym)
        » Species Helix (Geotrochus) hermione Angas, 1870 accepted as Papuina hermione (Angas, 1869) (original combination)
        » Species Helix (Geotrochus) leucophaea Cox, 1872 accepted as Megalacron migratoria (Pfeiffer, 1855) (junior synonym)
        » Species Helix (Geotrochus) macfarlanei Cox, 1873 accepted as Megalacron macfarlanei (Cox, 1873) (original combination)
        » Species Helix (Geotrochus) mendoza Brazier, 1872 accepted as Papuina mendoza (Brazier, 1872) (original combination)
        » Species Helix (Geotrochus) moseleyi E. A. Smith, 1884 accepted as Megalacron novaegeorgiensis (Cox, 1870) (junior synonym)
        » Species Helix (Geotrochus) papillifera Klika, 1891 † accepted as Metacampylaea papillifera (Klika, 1891) † (new combination)
        » Species Helix (Geotrochus) perakensis Crosse, 1879 accepted as Ganesella acris perakensis (Crosse, 1879) (original combination)
        » Species Helix (Geotrochus) philomela Angas, 1872 accepted as Papuina philomela (Angas, 1872) (original combination)
        » Species Helix (Geotrochus) redempta Cox, 1873 accepted as Papuina redempta (Cox, 1873) (original combination)
        » Species Helix (Geotrochus) rufo-filosa Bock, 1881 accepted as Ganesella rufofilosa (Bock, 1881) (unaccepted combination)
        » Species Helix (Geotrochus) strabo Brazier, 1876 accepted as Rhynchotrochus strabo (Brazier, 1876) (original combination)
        » Species Helix (Geotrochus) tapparonei E. A. Smith, 1883 accepted as Rhynchotrochus naso (Martens, 1883) (junior synonym)
        » Species Helix (Geotrochus) thomsoni E. A. Smith, 1889 accepted as Rhynchotrochus misima (Iredale, 1941) (invalid: junior homonym of H. thomsoni Pfeiffer, 1871)
        » Species Helix (Geotrochus) vatheleti Bavay & Dautzenberg, 1899 accepted as Ganesella vatheleti (Bavay & Dautzenberg, 1899) (original combination)
        » Species Helix (Geotrochus) wiegmanni Martens, 1894 accepted as Rhynchotrochus wiegmanni (Martens, 1894) (original combination)
        » Species Helix (Geotrochus) yulensis Brazier, 1876 accepted as Rhynchotrochus yulensis (Brazier, 1876) (original combination)
      » Subgenus Helix (Glaphyra) Albers, 1850 accepted as Vallonia Risso, 1826 (Invalid: junior homonym of Glaphyra Newman, 1840 [Coleoptera])
      » Subgenus Helix (Glyptorhagada) Pilsbry, 1891 accepted as Glyptorhagada Pilsbry, 1890 (original rank)
      » Subgenus Helix (Gonostoma) Held, 1838 accepted as Helicodonta A. Férussac, 1821 (invalid: junior homonym of Gonostoma Rafinesque, 1810)
        » Species Helix (Gonostoma) baudinensis E. A. Smith, 1893 accepted as Baudinella baudinensis (E. A. Smith, 1893) (basionym)
        » Species Helix (Gonostoma) blaviana K. Miller, 1907 † accepted as Klikia praeosculina (K. Miller, 1907) † (junior synonym)
        » Species Helix (Gonostoma) collingii E. A. Smith, 1893 accepted as Setobaudinia collingii (E. A. Smith, 1893) (basionym)
        » Species Helix (Gonostoma) diplomphala Möllendorff, 1885 accepted as Amphicoelina diplomphala (Möllendorff, 1885) (original combination)
        » Species Helix (Gonostoma) jungi O. Boettger, 1897 † accepted as Klikia jungi (O. Boettger, 1897) † (new combination)
        » Species Helix (Gonostoma) leubii K. Miller, 1907 † accepted as Klikia praeosculina (K. Miller, 1907) † (junior synonym)
        » Species Helix (Gonostoma) patuliformis Sacco, 1886 † accepted as Eostrobilops patuliformis (Sacco, 1886) † (new combination)
        » Species Helix (Gonostoma) praeosculina K. Miller, 1907 † accepted as Klikia praeosculina (K. Miller, 1907) † (new combination)
        » Species Helix (Gonostoma) sublenticuloides Łomnicki, 1886 † accepted as Canariella sublenticuloides (Łomnicki, 1886) † (new combination)
      » Subgenus Helix (Grandipatula) Cossmann, 1889 † accepted as Grandipatula Cossmann, 1889 †
      » Subgenus Helix (Hadra) Martens, 1860 accepted as Hadra E. von Martens, 1860
        » Species Helix (Hadra) bayensis Brazier, 1876 accepted as Figuladra bayensis (Brazier, 1876) (basionym)
        » Species Helix (Hadra) bennetti Brazier, 1872 accepted as Pallidelix bennetti (Brazier, 1872) (basionym)
        » Species Helix (Hadra) burnerensis E. A. Smith, 1894 accepted as Amplirhagada burnerensis (E. A. Smith, 1894) (basionym)
        » Species Helix (Hadra) cassandra Pfeiffer, 1864 accepted as Cupedora cassandra (Pfeiffer, 1864) (original combination)
        » Species Helix (Hadra) darwini Brazier, 1872 accepted as Spurlingia darwini (Brazier, 1872) (original combination)
        » Species Helix (Hadra) derbyi Cox, 1892 accepted as Westraltrachia derbyi (Cox, 1892) (original combination)
        » Species Helix (Hadra) elderi Bednall, 1892 accepted as Basedowena elderi (Bednall, 1892) (original combination)
        » Species Helix (Hadra) evandaleana Pfeiffer, 1864 accepted as Cupedora evandaleana (Pfeiffer, 1864) (original combination)
        » Species Helix (Hadra) everardensis Bednall, 1892 accepted as Pleuroxia everardensis (Bednall, 1892) (original combination)
        » Species Helix (Hadra) fodinalis Bednall, 1892 accepted as Sinumelon fodinalis (Bednall, 1892) (original combination)
        » Species Helix (Hadra) imitata E. A. Smith, 1894 accepted as Amplirhagada imitata (E.A. Smith, 1894) (basionym)
        » Species Helix (Hadra) lincolnensis Pfeiffer, 1864 accepted as Cupedora lincolnensis (Pfeiffer, 1864) (original combination)
        » Species Helix (Hadra) montalivetensis E. A. Smith, 1894 accepted as Amplirhagada montalivetensis (E.A. Smith, 1894) (basionym)
        » Species Helix (Hadra) oscarensis Cox, 1892 accepted as Westraltrachia oscarensis (Cox, 1892) (original combination)
        » Species Helix (Hadra) pancala Schmacker & Boettger, 1891 accepted as Pancala batanica pancala (Schmacker & Boettger, 1891) (original combination)
        » Species Helix (Hadra) parsoni Cox, 1872 accepted as Figuladra incei curtisiana (Pfeiffer, 1864) (junior synonym)
        » Species Helix (Hadra) patruelis Angas, 1864 accepted as Cupedora patruelis (Angas, 1864) (basionym)
        » Species Helix (Hadra) prudhoensis E. A. Smith, 1894 accepted as Globorhagada prudhoensis (E.A. Smith, 1894)
        » Species Helix (Hadra) rufofasciata Brazier, 1875 accepted as Cupedora rufofasciata (Brazier, 1875) (basionym)
        » Species Helix (Hadra) stephensoniana Brazier, 1872 accepted as Temporena sardalabiata (Cox, 1871) (junior synonym)
        » Species Helix (Hadra) sublorioliana Pilsbry, 1890 accepted as Cupedora sublorioliana (Pilsbry, 1890) (basionym)
        » Species Helix (Hadra) sykesi E. A. Smith, 1894 accepted as Amplirhagada sykesi (E.A. Smith, 1894) (basionym)
        » Species Helix (Hadra) vulpis Gredler, 1887 accepted as Camaena vulpis (Gredler, 1887) (original combination)
        » Species Helix (Hadra) xanthoderma Möllendorff, 1882 accepted as Camaena hainanensis xanthoderma (Möllendorff, 1882) (unaccepted combination and rank)
        » Species Helix (Hadra) yeppoonensis Beddome, 1897 accepted as Figuladra incei lessoni (Pfeiffer, 1846) (junior synonym)
      » Subgenus Helix (Helicella) Gray, 1847 accepted as Helicella A. Férussac, 1821
        » Species Helix (Helicella) planorbitanus De Gregorio, 1880 † (taxon inquirendum)
        » Species Helix (Helicella) ambiguosa Ferussac, 1821 accepted as Trigonephrus ambiguosus (Ferussac, 1821) (original combination)
        » Species Helix (Helicella) berytensis L. Pfeiffer, 1841 accepted as Metafruticicola berytensis (L. Pfeiffer, 1841) (original combination)
        » Species Helix (Helicella) carnicolor Férussac, 1821 accepted as Hemitrochus varians (Menke, 1829) (nomen nudum)
        » Species Helix (Helicella) cretica L. Pfeiffer, 1841 accepted as Xerocrassa cretica (L. Pfeiffer, 1841) (original combination)
        » Species Helix (Helicella) draparnaldi Beck, 1837 accepted as Oxychilus draparnaudi (H. Beck, 1837) (replacement name)
        » Species Helix (Helicella) fallaciosa Férussac, 1832 accepted as Trachia fallaciosa (Férussac, 1832) (original combination)
        » Species Helix (Helicella) modestiuscula De Gregorio, 1880 † accepted as Dentellocaracolus modestiusculus (De Gregorio, 1880) † (new combination)
        » Species Helix (Helicella) proxima Férussac, 1832 accepted as Trachia proxima (Férussac, 1832) (original combination)
        » Species Helix (Helicella) pusilla Lowe, 1831 accepted as Paralaoma servilis (Shuttleworth, 1852) (name preoccupied)
        » Species Helix (Helicella) richardii Férussac, 1821 accepted as Allogona profunda (Say, 1821) (nomen nudum)
        » Species Helix (Helicella) sepulcralis Férussac, 1821 accepted as Ampelita sepulcralis (Férussac, 1821) (original combination)
        » Species Helix (Helicella) similaris Férussac, 1821 accepted as Bradybaena similaris (Férussac, 1822) (invalid: nomen nudum)
      » Subgenus Helix (Helicigona) Férussac, 1821 accepted as Helicigona A. Férussac, 1821
      » Subgenus Helix (Helicodonta) A. Férussac, 1821 accepted as Helicodonta A. Férussac, 1821
        » Species Helix (Helicodonta) diodonta A. Férussac, 1832 accepted as Soosia diodonta (A. Férussac, 1832) (original combination)
        » Species Helix (Helicodonta) knoxvillina Férussac, 1821 accepted as Mesodon elevatus (Say, 1821) (nomen nudum)
        » Species Helix (Helicodonta) texasiana Moricand, 1833 accepted as Linisa texasiana (Moricand, 1833)
      » Subgenus Helix (Helicogena) A. Férussac, 1821 accepted as Helix Linnaeus, 1758 (junior synonym)
        » Species Helix (Helicogena) auricoma Férussac, 1821 accepted as Zachrysia auricoma (Férussac, 1821)
        » Species Helix (Helicogena) barbeyana De Stefani in De Stefani et al., 1891 † accepted as Helix barbeyana De Stefani in De Stefani et al., 1891 †
        » Species Helix (Helicogena) cavata Mousson, 1854 accepted as Helix engaddensis Bourguignat, 1852
          » Subspecies Helix (Helicogena) cavata tripolitana Kobelt, 1905 accepted as Helix engaddensis Bourguignat, 1852 (junior synonym)
        » Species Helix (Helicogena) engaddensis Bourguignat, 1852 accepted as Helix engaddensis Bourguignat, 1852
        » Species Helix (Helicogena) kisonis Kobelt, 1905 accepted as Helix engaddensis Bourguignat, 1852
        » Species Helix (Helicogena) similaris Férussac, 1822 accepted as Bradybaena similaris (Férussac, 1822) (basionym)
        » Species Helix (Helicogena) volensis Kobelt, 1906 accepted as Helix pelagonesica (Rolle, 1898) (junior synonym)
        » Species Helix (Helicogena) wohlberedti Kobelt, 1905 accepted as Helix vladica (Kobelt, 1898) (junior synonym)
          » Subspecies Helix (Helicogena) wohlberedti pomatiaeformis Kobelt, 1905 accepted as Helix vladica (Kobelt, 1898) (junior synonym)
          » Variety Helix (Helicogena) wohlberedti var. poljensis Kobelt, 1905 accepted as Helix vladica (Kobelt, 1898) (junior synonym)
      » Subgenus Helix (Helicomela) R. T. Lowe, 1855 accepted as Caseolus (Helicomela) R. T. Lowe, 1855 (basionym)
      » Subgenus Helix (Helicophanta) A. Férussac, 1821 accepted as Helicophanta A. Férussac, 1821
        » Species Helix (Helicophanta) bicingulata E. A. Smith, 1882 accepted as Helicophanta bicingulata (E. A. Smith, 1882) (original combination)
        » Species Helix (Helicophanta) cafra A. Férussac, 1821 accepted as Natalina cafra (A. Férussac, 1821) (original combination)
        » Species Helix (Helicophanta) partuliformis O. Boettger, 1889 accepted as Helicophanta amphibulima (Férussac, 1839) (junior synonym)
      » Subgenus Helix (Helocogena) [sic] accepted as Helicogena A. Férussac, 1821 (misspelling)
      » Subgenus Helix (Hemistenotrema) O. Boettger, 1897 † accepted as Hemistenotrema O. Boettger, 1897 †
      » Subgenus Helix (Hyalina) S. Studer, 1820 accepted as Vitrina Draparnaud, 1801 (junior objective synonym)
      » Subgenus Helix (Hygromia) Risso, 1826 accepted as Hygromia Risso, 1826
        » Species Helix (Hygromia) bednalli Brazier, 1872 accepted as Cupedora bednalli (Brazier, 1872) (original combination)
      » Subgenus Helix (Hystricella) R. T. Lowe, 1855 accepted as Hystricella R. T. Lowe, 1855 (original rank)
      » Subgenus Helix (Iberus) Montfort, 1810 accepted as Iberus Montfort, 1810
      » Subgenus Helix (Isomeria) Albers, 1850 accepted as Isomeria Albers, 1850 (original rank)
        » Species Helix (Isomeria) equestrata Germain, 1907 accepted as Isomeria globosa (Broderip, 1832) (junior synonym)
        » Species Helix (Isomeria) fordiana Pilsbry, 1889 accepted as Isomeria fordiana (Pilsbry, 1889) (original combination)
        » Species Helix (Isomeria) gealei E.A. Smith, 1877 accepted as Isomeria gealei (E.A. Smith, 1877) (original combination)
        » Species Helix (Isomeria) peritropis Pilsbry, 1889 accepted as Isomeria continua (Reeve, 1854) (junior synonym)
        » Species Helix (Isomeria) scalena Martens, 1881 accepted as Isomeria scalena (Martens, 1881) (original combination)
        » Species Helix (Isomeria) wolfi Reibisch, 1896 accepted as Isomeria aequatoriana (Hidalgo, 1867) (junior synonym)
      » Subgenus Helix (Isthmia) Gray, 1821 accepted as Vertigo (Isthmia) Gray, 1821 (original name)
        » Species Helix (Isthmia) cylindrica Gray, 1821 accepted as Vertigo pygmaea (Draparnaud, 1801) (junior synonym)
      » Subgenus Helix (Jacosta) Gray, 1821 accepted as Xerosecta Monterosato, 1892 (inalid: Placed on Index)
        » Species Helix (Jacosta) amphiconus Maltzan, 1883 accepted as Xerocrassa amphiconus (Maltzan, 1883) (original combination)
      » Subgenus Helix (Janira) Albers, 1850 accepted as Oreobba Pilsbry, 1894 (Invalid: junior homonym of Janira Leach, 1814 [Crustacea]; Oreooba is a replacement name)
      » Subgenus Helix (Jasonella) Lindholm, 1927 accepted as Jasonella Lindholm, 1927 (unaccepted, new combination)
      » Subgenus Helix (Katostoma) R. T. Lowe, 1855 accepted as Leptaxis (Katostoma) R. T. Lowe, 1855 (unaccepted, basionym)
      » Subgenus Helix (Labyrinthus) Beck, 1837 accepted as Labyrinthus H. Beck, 1837 (unaccepted)
      » Subgenus Helix (Leiocheila) Albers, 1850 accepted as Eurycratera H. Beck, 1837 (unaccepted, objective junior synonym)
      » Subgenus Helix (Lemniscia) R. T. Lowe, 1855 accepted as Lemniscia R. T. Lowe, 1855 (unaccepted)
      » Subgenus Helix (Leucochroa) H. Beck, 1837 accepted as Theba Risso, 1826 (unaccepted, junior synonym)
        » Species Helix (Leucochroa) subsemperiana Thomas, 1888 † accepted as Leucochroa subsemperiana (Thomas, 1888) † (new combination)
        » Species Helix (Leucochroa) tissoti Bayan, 1870 † accepted as Leucochroa tissoti (Bayan, 1870) † (new combination)
      » Subgenus Helix (Levantina) Kobelt, 1871 accepted as Levantina Kobelt, 1871 (unaccepted)
        » Species Helix (Levantina) arnoldi Rolle in Kobelt, 1895 accepted as Levantina caesareana (Mousson, 1854) (junior synonym)
        » Species Helix (Levantina) caesareana Mousson, 1854 accepted as Levantina caesareana (Mousson, 1854)
          » Forma Helix (Levantina) caesareana f. jordana Avnimelech, 1933 accepted as Levantina caesareana (Mousson, 1854) (junior synonym)
          » Forma Helix (Levantina) caesareana f. libanica Avnimelech, 1933 accepted as Levantina caesareana (Mousson, 1854) (junior synonym)
          » Variety Helix (Levantina) caesareana var. depressa Germain, 1921 accepted as Levantina caesareana (Mousson, 1854) (junior synonym; non Helix depressa Montagu, 1803)
        » Species Helix (Levantina) eliae Kobelt, 1895 accepted as Levantina caesareana (Mousson, 1854) (junior synonym)
        » Species Helix (Levantina) gerstenbrandti Kobelt, 1895 accepted as Levantina caesareana (Mousson, 1854) (junior synonym)
        » Species Helix (Levantina) kurdistana (L. Pfeiffer, 1861) accepted as Levantina kurdistana (L. Pfeiffer, 1861) (superseded generic combination)
          » Variety Helix (Levantina) kurdistana var. dohrni Kobelt, 1902 accepted as Assyriella longinqua Schütt & Subai, 1996 (preoccupied name, non Helix dohrni Paulucci, 1882)
        » Species Helix (Levantina) praecellens Naegele, 1901 accepted as Amanica praecellens (Naegele, 1901) (basionym)
        » Species Helix (Levantina) ramlensis Rolle in Kobelt, 1895 accepted as Levantina caesareana (Mousson, 1854) (junior synonym)
        » Species Helix (Levantina) transjordanica Kobelt, 1896 accepted as Levantina caesareana (Mousson, 1854) (junior synonym)
        » Species Helix (Levantina) werneri Kobelt, 1889 accepted as Levantina caesareana (Mousson, 1854) (junior synonym)
      » Subgenus Helix (Macrocyclis) Beck, 1837 accepted as Macrocyclis H. Beck, 1837 (unaccepted)
      » Subgenus Helix (Macularia) Albers, 1850 accepted as Macularia Albers, 1850 (unaccepted)
        » Species Helix (Macularia) bohemica O. Boettger, 1870 † accepted as Megalotachea macrocheila (Reuss in Reuss & Meyer, 1849) † (junior synonym)
        » Species Helix (Macularia) caesareana Mousson, 1864 accepted as Levantina caesareana (Mousson, 1854)
          » Variety Helix (Macularia) caesareana var. media Mousson, 1874 accepted as Levantina caesareana (Mousson, 1854) (junior synonym)
        » Species Helix (Macularia) eckingensis F. Sandberger, 1875 † accepted as Cepaea eckingensis (F. Sandberger, 1875) † (new combination)
        » Species Helix (Macularia) majoris De Stefani, 1880 † accepted as Murella (Opica) majoris (De Stefani, 1880) † (new combination)
        » Species Helix (Macularia) ogdeni Kennard & Woodward, 1914 † accepted as Allognathus (Iberellus) ogdeni (Kennard & Woodward, 1914) † (new combination)
        » Species Helix (Macularia) ogerieni Delafond & Depéret, 1893 † accepted as Frechenia ogerieni (Delafond & Depéret, 1893) † (new combination)
        » Species Helix (Macularia) platychelodes F. Sandberger, 1875 † accepted as Palaeotachea sylvestrina (Schlotheim, 1820) † (junior synonym)
        » Species Helix (Macularia) pliobraidensis Sacco, 1889 † accepted as Schlickumia bottinii (Sacco, 1884) † (junior synonym)
        » Species Helix (Macularia) renevieri Maillard, 1892 † accepted as Palaeotachea renevieri (Maillard, 1892) † (new combination)
        » Species Helix (Macularia) torresi Roman, 1907 † accepted as Pseudotachea torresi (Roman, 1907) † (new combination)
        » Species Helix (Macularia) vermiculata O.F. Müller, 1774 accepted as Massylaea vermiculata (O. F. Müller, 1774)
      » Subgenus Helix (Mesodon) A. Férussac, 1821 accepted as Mesodon A. Férussac, 1821 (unaccepted)
        » Species Helix (Mesodon) dallii Stearns in White, 1885 † accepted as Vespericola dallii (Stearns in White, 1885) † (new combination (cf.))
        » Species Helix (Mesodon) kiowaensis Simpson, 1888 accepted as Patera kiowaensis (Simpson, 1888)
        » Species Helix (Mesodon) lawae Lewis, 1874 accepted as Praticolella lawae (J. Lewis, 1874) (emendation)
        » Species Helix (Mesodon) lawii Lewis, 1874 accepted as Praticolella lawae (J. Lewis, 1874) (incorrect original spelling)
        » Species Helix (Mesodon) columbiana (uncertain)
        » Species Helix (Mesodon) mullani (uncertain)
      » Subgenus Helix (Metodontia) Möllendorff, 1886 accepted as Metodontia Möllendorff, 1886 (unaccepted, original rank)
      » Subgenus Helix (Microcystis) Beck, 1838 accepted as Microcystis H. Beck, 1838 (unaccepted)
        » Species Helix (Microcystis) catletti Brazier, 1872 accepted as Innesoconcha catletti (Brazier, 1872) (original combination)
      » Subgenus Helix (Micromphalia) Ancey, 1882 accepted as Micromphalia Ancey, 1882 (unaccepted, original rank)
      » Subgenus Helix (Microphysa) E. von Martens, 1903 accepted as Hojeda H. B. Baker, 1926 (unaccepted)
      » Subgenus Helix (Microphyura) Ancey, 1882 accepted as Microphyura Ancey, 1882 (unaccepted, original rank)
      » Subgenus Helix (Mitra) Albers, 1850 accepted as Lampadia Albers, 1854 (unaccepted, invalid: junior homonym of Mitra Lamarck, 1798; Lampadia is a replacement name)
      » Subgenus Helix (Moellendorffia) Ancey, 1887 accepted as Moellendorffia Ancey, 1887 (unaccepted)
        » Species Helix (Moellendorffia) callitricha Bavay & Dautzenberg, 1899 accepted as Moellendorffia eastlakeana (Möllendorff, 1882) (junior synonym)
        » Species Helix (Moellendorffia) depressispira Bavay & Dautzenberg, 1909 accepted as Moellendorffia depressispira (Bavay & Dautzenberg, 1909) (original combination)
        » Species Helix (Moellendorffia) erdmanni Schmacker & O. Boettger, 1894 accepted as Moellendorffia erdmanni (Schmacker & O. Boettger, 1894) (original combination)
        » Species Helix (Moellendorffia) loxotata Mabille, 1887 accepted as Moellendorffia loxotata (Mabille, 1887)
        » Species Helix (Moellendorffia) messageri Bavay & Dautzenberg, 1899 accepted as Moellendorffia messageri (Bavay & Dautzenberg, 1899) (original combination)
        » Species Helix (Moellendorffia) spurca Bavay & Dautzenberg, 1899 accepted as Moellendorffia spurca spurca (Bavay & Dautzenberg, 1899) (original combination)
      » Subgenus Helix (Monomphalus) Ancey, 1882 accepted as Monomphalus Ancey, 1882 (unaccepted, original rank)
      » Subgenus Helix (Mycena) Albers, 1850 accepted as Hemicycla Swainson, 1840 (unaccepted, objective junior synonym )
      » Subgenus Helix (Nanina) Gray, 1834 accepted as Nanina Gray, 1834 (unaccepted, superseded combination)
        » Species Helix (Nanina) caesia L. Pfeiffer, 1861 (taxon inquirendum)
        » Species Helix (Nanina) cleamesi E. A. Smith, 1882 accepted as Kalidos cleamesi (E. A. Smith, 1882) (original combination)
        » Species Helix (Nanina) döhrniana L. Pfeiffer, 1860 accepted as Sarika dohrniana (L. Pfeiffer, 1860) (original combination)
        » Species Helix (Nanina) irradiata Gould, 1846 accepted as Serpho kivi (Gray, 1843)
        » Species Helix (Nanina) maarseveeni Bock, 1881 accepted as Dyakia maarseveeni (Bock, 1881) (original combination)
        » Species Helix (Nanina) mouhoti L. Pfeiffer, 1860 accepted as Cryptozona mouhoti (L. Pfeiffer, 1860) (original combination)
        » Species Helix (Nanina) nitidissima E. A. Smith, 1885 accepted as Orpiella nitidissima (E. A. Smith, 1885) (original combination)
        » Species Helix (Nanina) nyassana E. A. Smith, 1881 accepted as Thapsia nyassana (E. A. Smith, 1881) (original combination)
        » Species Helix (Nanina) scorpio Gould, 1846 accepted as Orpiella scorpio (Gould, 1846) (original combination)
        » Species Helix (Nanina) solidiuscula E. A. Smith, 1885 accepted as Orpiella solidiuscula (E. A. Smith, 1885) (original combination)
      » Subgenus Helix (Obba) Beck, 1837 accepted as Obba H. Beck, 1837 (unaccepted)
        » Species Helix (Obba) goldiei Brazier, 1884 accepted as Meliobba goldiei (Brazier, 1884) (original combination)
        » Species Helix (Obba) hyperbolica F. Sandberger, 1870 † accepted as Dentellocaracolus hyperbolica (F. Sandberger, 1870) † (new combination)
        » Species Helix (Obba) langsonensis Bavay & Dautzenberg, 1899 accepted as Neocepolis merarcha (Mabille, 1888) (junior synonym)
        » Species Helix (Obba) oxystoma E. A. Smith, 1883 accepted as Meliobba goldiei (Brazier, 1884) (invalid: junior homonym of Helix oxystoma Thomae, 1845)
      » Subgenus Helix (Obbinula) Stache, 1889 † accepted as Obbinula Stache, 1889 † (unaccepted)
      » Subgenus Helix (Ochthephila) Beck, 1837 accepted as Trochoidea T. Brown, 1827 (unaccepted, junior synonym)
      » Subgenus Helix (Omalonyx) d'Orbigny, 1838 accepted as Omalonyx d'Orbigny, 1838 (unaccepted, original rank)
      » Subgenus Helix (Ophiogyra) Albers, 1850 accepted as Polygyratia Gray, 1847 (unaccepted, objective junior synonym)
      » Subgenus Helix (Pachya) Albers, 1850 accepted as Pachya Albers, 1850 (unaccepted, original rank)
      » Subgenus Helix (Pachystoma) Albers, 1850 accepted as Thelidomus Swainson, 1840 (unaccepted, Invalid: junior homonym of Pachystoma Guilding, 1828 [Ampullariidae].)
      » Subgenus Helix (Papuina) Martens, 1860 accepted as Papuina E. von Martens, 1860 (unaccepted)
        » Species Helix (Papuina) albocarinata E. A. Smith, 1887 accepted as Rhynchotrochus albocarinatus (E. A. Smith, 1887) (original combination)
        » Species Helix (Papuina) amphizona Pilsbry, 1891 accepted as Papustyla chancei (Cox, 1870) (junior synonym)
        » Species Helix (Papuina) demangei Dautzenberg & Fischer, 1907 accepted as Ganesella demangei (Dautzenberg & Fischer, 1907) (original combination)
        » Species Helix (Papuina) lintschuana Kobelt, 1894 accepted as Meliobba lintschuana (Kobelt, 1894) (original combination)
        » Species Helix (Papuina) pallens Bavay, 1908 accepted as Dendrotrochus leucotropis (Pfeiffer, 1861) (junior synonym)
        » Species Helix (Papuina) phaeostoma Martens, 1878 accepted as Megalacron phaeostoma (Pfeiffer, 1877)
        » Species Helix (Papuina) rollsiana E. A. Smith, 1887 accepted as Rhynchotrochus rollsianus (E. A. Smith, 1887) (original combination)
        » Species Helix (Papuina) roseolabiata E. A. Smith, 1887 accepted as Rhynchotrochus strabo (Brazier, 1876) (junior synonym)
        » Species Helix (Papuina) walleri Brazier, 1883 accepted as Papuina walleri (Brazier, 1883) (original combination)
      » Subgenus Helix (Parachloraea) Sandberger, 1873 † accepted as Parachloraea Sandberger, 1873 † (unaccepted, considered a separate genus)
      » Subgenus Helix (Pararhytida) Ancey, 1882 accepted as Pararhytida Ancey, 1882 (unaccepted, original rank)
      » Subgenus Helix (Parthena) Albers, 1850 accepted as Parthena Albers, 1850 (unaccepted, original rank)
      » Subgenus Helix (Paryphanta) Albers, 1850 accepted as Paryphanta Albers, 1850 (unaccepted, original rank)
        » Species Helix (Paryphanta) fulgetrum Legrand, 1871 accepted as Prolesophanta nelsonensis (Brazier, 1871) (junior synonym)
        » Species Helix (Paryphanta) vitrinaformis Legrand, 1871 accepted as Stenacapha hamiltoni (Cox, 1868) (junior synonym)
      » Subgenus Helix (Patula) Held, 1838 accepted as Discus Fitzinger, 1833 (unaccepted)
        » Species Helix (Patula) cryophila E. v. Martens, 1865 accepted as Paralaoma servilis (Shuttleworth, 1852) (junior synonym)
        » Species Helix (Patula) depressa A. Adams, 1868 accepted as Discus pauper (Gould, 1859) (junior synonym)
        » Species Helix (Patula) dubitans Legrand, 1871 accepted as Tasmaphena ruga (Legrand, 1871) (junior synonym)
        » Species Helix (Patula) falcifera O. Boettger, 1870 † accepted as Pleurodiscoides (Pleurodiscoides) falcifera (O. Boettger, 1870) † (new combination)
        » Species Helix (Patula) margatensis Legrand, 1871 accepted as Tasmaphena ruga (Legrand, 1871) (junior synonym)
        » Species Helix (Patula) paludinaeformis (Sandberger, 1858) † accepted as Acanthinula paludinaeformis (Sandberger, 1858) † (new combination)
        » Species Helix (Patula) recurrecta Oppenheim, 1890 † accepted as Pyramidula recurrecta (Oppenheim, 1890) † (new combination)
        » Species Helix (Patula) saucatsensis Benoist, 1873 † accepted as Discus saucatsensis (Benoist, 1873) † (new combination)
        » Species Helix (Patula) sepulta White, 1880 † accepted as Patula whitei Wenz, 1919 † (junior homonym of Helix sepulta Michelotti, 1840; Patula whitei is a replacement name)
        » Species Helix (Patula) somersetensis Melvill & Ponsonby, 1893 accepted as Trachycystis somersetensis (Melvill & Ponsonby, 1893) (original combination)
        » Species Helix (Patula) spaldingi Brazier, 1876 accepted as Torresiropa spaldingi (Brazier, 1876) (original combination)
          » Variety Helix (Patula) spaldingi var. carinata Brazier, 1880 accepted as Torresiropa spaldingi (Brazier, 1876) (invalid: junior homonym of Helix carinata Montagu, 1803; Torresiropa mella Iredale, 1933 is a replacement name)
        » Species Helix (Patula) stephensi Legrand, 1871 accepted as Stenacapha hamiltoni (Cox, 1868) (junior synonym)
        » Species Helix (Patula) stokesi E. A. Smith, 1884 accepted as Neophenacohelix lucetta (Hutton, 1884)
        » Species Helix (Patula) subteres Clessin, 1877 † accepted as Lucilla subteres (Clessin, 1877) † (new combination)
        » Species Helix (Patula) unwini Brazier, 1889 accepted as Hawaiia minuscula (Binney, 1841) (junior synonym)
        » Species Helix (Patula) vexanda Legrand, 1871 accepted as Tasmaphena ruga (Legrand, 1871) (junior synonym)
        » Species Helix (Patula) viridescens Melvill & Ponsonby, 1891 accepted as Natella viridescens (Melvill & Ponsonby, 1891) (basionym)
        » Species Helix (Patula) perspectiva (uncertain)
      » Subgenus Helix (Pella) E. von Martens, 1860 accepted as Trachycystis Pilsbry, 1893 (unaccepted, synonym)
        » Species Helix (Pella) actinotrichia Melvill & Ponsonby, 1892 accepted as Chilocystis actinotrichia (Melvill & Ponsonby, 1892) (original combination)
        » Species Helix (Pella) bathycoele Melvill & Ponsonby, 1892 accepted as Trachycystis bathycoele (Melvill & Ponsonby, 1892) (original combination)
        » Species Helix (Pella) burnupi Melvill & Ponsonby, 1892 accepted as Chalcocystis burnupi (Melvill & Ponsonby, 1892) (original combination)
        » Species Helix (Pella) conisalea Melvill & Ponsonby, 1892 accepted as Chilocystis conisalea (Melvill & Ponsonby, 1892) (original combination)
        » Species Helix (Pella) crawfordi Melvill & Ponsonby, 1890 accepted as Sheldonia crawfordi (Melvill & Ponsonby, 1890) (original combination)
        » Species Helix (Pella) epetrima Melvill & Ponsonby, 1892 accepted as Phaulocystis turmalis (Morelet, 1889) (synonym)
        » Species Helix (Pella) erateina Melvill & Ponsonby, 1892 accepted as Lyrocystis prionacis (Benson, 1864) (synonym)
        » Species Helix (Pella) liricostata Melvill & Ponsonby, 1891 accepted as Trachycystis liricostata (Melvill & Ponsonby, 1891) (original combination)
        » Species Helix (Pella) lygaea Melvill & Ponsonby, 1892 accepted as Chilocystis lygaea (Melvill & Ponsonby, 1892) (original combination)
        » Species Helix (Pella) minythodes Melvill & Ponsonby, 1892 accepted as Sheldonia crawfordi (Melvill & Ponsonby, 1890) (synonym)
        » Species Helix (Pella) namaquana E. von Martens, 1889 accepted as Xerocystis capensis var. namaquana (E. von Martens, 1889) (original combination)
        » Species Helix (Pella) rhysodes Melvill & Ponsonby, 1892 accepted as Lyrocystis perplicata (Benson, 1851) (synonym)
        » Species Helix (Pella) strobilodes Melvill & Ponsonby, 1893 accepted as Chilocystis trichosteiroma (Melvill & Ponsonby, 1892) (synonym)
        » Species Helix (Pella) trichosteiroma Melvill & Ponsonby, 1892 accepted as Chilocystis trichosteiroma (Melvill & Ponsonby, 1892) (original combination)
        » Species Helix (Pella) turguriolum Melvill & Ponsonby, 1892 accepted as Trachycystis (Trachycystis) tollini (Benson, 1856) (synonym)
      » Subgenus Helix (Petasia) Beck, 1837 accepted as Perforatella Schlüter, 1838 (unaccepted, Invalid: junior homonym of Petasia Stephens, 1829 [Lepidoptera])
      » Subgenus Helix (Phaedra) Albers, 1850 accepted as Hemitrochus Swainson, 1840 (unaccepted, Invalid: junior homonym of Phaedra Horsfield, 1829 [Lepidoptera])
      » Subgenus Helix (Phania) E. von Martens, 1860 accepted as Pyrochilus Pilsbry, 1893 (unaccepted)
        » Species Helix (Phania) dugasti Morlet, 1892 accepted as Camaena dugasti (Morlet, 1892) (original combination)
        » Species Helix (Phania) kuekenthali Kobelt, 1895 accepted as Pyrochilus kuekenthali (Kobelt, 1895) (basionym)
      » Subgenus Helix (Phasis) Albers, 1850 accepted as Phortion Preston, 1910 (unaccepted, junior synonym)
        » Species Helix (Phasis) meruensis D'Ailly, 1910 accepted as Halolimnohelix meruensis (D'Ailly, 1910) (original combination)
      » Subgenus Helix (Philina) Albers, 1850 accepted as Obba H. Beck, 1837 (unaccepted, junior synonym)
      » Subgenus Helix (Physospira) C.R. Boettger, 1914 accepted as Helix Linnaeus, 1758 (unaccepted)
      » Subgenus Helix (Pileolus) Lesson, 1831 accepted as Megalacron I. Rensch, 1934 (unaccepted, Invalid: junior homonym of Pileolus G.B. Sowerby I, 1823)
        » Species Helix (Pileolus) tuffetti Lesson, 1831 accepted as Helicostyla coniformis Férussac, 1821 (junior synonym)
      » Subgenus Helix (Pitys) Mörch, 1852 accepted as Pitys Mörch, 1852 (unaccepted)
        » Species Helix (Pitys) architectonica Legrand, 1871 accepted as Archiropa architectonica (Legrand, 1871) (original combination)
        » Species Helix (Pitys) assimilis Legrand, 1871 accepted as Diemenoropa kingstonensis (Legrand, 1871) (junior synonym)
        » Species Helix (Pitys) gunnii Brazier, 1877 accepted as Diemenoropa kingstonensis (Legrand, 1871) (invalid: unnecessary replacement name for Helix assimilis Legrand, 1871)
        » Species Helix (Pitys) petterdi Legrand, 1871 accepted as Exquisitiropa agnewi (Legrand, 1871) (junior synonym)
          » Subspecies Helix (Pitys) petterdi peroni Legrand, 1871 accepted as Exquisitiropa agnewi (Legrand, 1871) (junior synonym)
      » Subgenus Helix (Planispira) Beck, 1837 accepted as Planispira H. Beck, 1837 (unaccepted, original rank)
        » Species Helix (Planispira) buxtoni Brazier, 1880 accepted as Patrubella buxtoni (Brazier, 1880) (basionym)
        » Species Helix (Planispira) plexus Legrand, 1871 accepted as Stenacapha hamiltoni (Cox, 1868) (junior synonym)
      » Subgenus Helix (Platystoma) Ancey, 1882 accepted as Platyrhytida Cockerell, 1895 (unaccepted, invalid: junior homonym of Platystoma Meigen, 1803 [Diptera] and others; Saissetia and Platyrhytida are replacement names)
      » Subgenus Helix (Plectopylis) Benson, 1860 accepted as Plectopylis Benson, 1860 (unaccepted, original rank)
        » Species Helix (Plectopylis) andersoni W. Blanford, 1869 accepted as Hunyadiscus andersoni (W. Blanford, 1869) (basionym)
        » Species Helix (Plectopylis) brachyplecta Benson, 1863 accepted as Chersaecia brachyplecta (Benson, 1863) (original combination)
        » Species Helix (Plectopylis) brahma Godwin-Austen, 1879 accepted as Endothyrella brahma (Godwin-Austen, 1879) (basionym)
        » Species Helix (Plectopylis) feddeni Blanford, 1865 accepted as Chersaecia feddeni (Blanford, 1865) (original combination)
        » Species Helix (Plectopylis) francoisi H. Fischer, 1899 accepted as Plectopylis francoisi H. Fischer, 1899 (entry in volume index, p. 346)
        » Species Helix (Plectopylis) fultoni Godwin-Austen, 1892 accepted as Endothyrella fultoni (Godwin-Austen, 1892) (basionym)
        » Species Helix (Plectopylis) karenorum W. Blanford, 1865 accepted as Plectopylis karenorum (W. Blanford, 1865) (original combination)
        » Species Helix (Plectopylis) leiophis Benson, 1860 accepted as Chersaecia leiophis (Benson, 1860) (basionym)
        » Species Helix (Plectopylis) macromphalus W. Blanford, 1870 accepted as Endothyrella macromphalus (W. Blanford, 1870) (basionym)
        » Species Helix (Plectopylis) minor Godwin-Austen, 1879 accepted as Endothyrella minor (Godwin-Austen, 1879)
        » Species Helix (Plectopylis) nagaensis Godwin-Austen, 1875 accepted as Chersaecia nagaensis nagaensis (Gude, 1897) (original combination)
        » Species Helix (Plectopylis) oglei Godwin-Austen, 1879 accepted as Endothyrella oglei (Godwin-Austen, 1879) (basionym)
        » Species Helix (Plectopylis) perarcta Blanford, 1865 accepted as Chersaecia perarcta perarcta (Blanford, 1865) (original combination)
        » Species Helix (Plectopylis) ponsonbyi Godwin-Austen, 1888 accepted as Chersaecia feddeni (Blanford, 1865) (junior synonym)
        » Species Helix (Plectopylis) refuga (Gould, 1846) accepted as Chersaecia refuga Gould, 1846 (original combination)
          » Variety Helix (Plectopylis) refuga var. dextrorsa Benson, 1860 accepted as Chersaecia dextrorsa (Benson, 1860) (original combination)
        » Species Helix (Plectopylis) schlumbergeri Morlet, 1886 accepted as Halongella schlumbergeri (Morlet, 1886) (basionym)
        » Species Helix (Plectopylis) serica Godwin-Austen, 1875 accepted as Endothyrella serica (Godwin-Austen, 1875) (basionym)
        » Species Helix (Plectopylis) shiroiensis Godwin-Austen, 1875 accepted as Chersaecia shiroiensis shiroiensis (Godwin-Austen, 1875) (original combination)
        » Species Helix (Plectopylis) trilamellaris Godwin-Austen, 1875 accepted as Chersaecia shanensis (Stoliczka, 1873) (junior synonym)
      » Subgenus Helix (Plectotropis) Martens, 1860 accepted as Plectotropis E. von Martens, 1860 (unaccepted)
        » Species Helix (Plectotropis) albocrenata Bavay & Dautzenberg, 1909 accepted as Helix (Plectotropis) albocrenatus Bavay & Dautzenberg, 1909 (specific epithet is not in agreement with generic name)
        » Species Helix (Plectotropis) albocrenatus Bavay & Dautzenberg, 1909 accepted as Plectotropis albocrenatus (Bavay & Dautzenberg, 1909) (original combination)
        » Species Helix (Plectotropis) applanata Möllendorff, 1884 accepted as Plectotropis applanata (Möllendorff, 1884) (original combination)
        » Species Helix (Plectotropis) armstrongi E. A. Smith, 1895 accepted as Planispira armstrongi (E. A. Smith, 1895) (original combination)
        » Species Helix (Plectotropis) bonnieri H. Fischer, 1898 accepted as Plectotropis bonnieri (H. Fischer, 1898) (original combination)
        » Species Helix (Plectotropis) chaudroni Bavay & Dautzenberg, 1909 accepted as Plectotropis chaudroni (Bavay & Dautzenberg, 1909) (original combination)
        » Species Helix (Plectotropis) conella A. Adams, 1868 accepted as Aegista (Plectotropis) conella (A. Adams, 1868) (original combination)
        » Species Helix (Plectotropis) couturieri Bavay & Dautzenberg, 1909 accepted as Plectotropis couturieri (Bavay & Dautzenberg, 1909) (original combination)
        » Species Helix (Plectotropis) dasytricha Bavay & Dautzenberg, 1909 accepted as Plectotropis dasytricha (Bavay & Dautzenberg, 1909) (original combination)
        » Species Helix (Plectotropis) fulvicans H. Adams, 1866 accepted as Aegista fulvicans (H. Adams, 1866) (original combination)
        » Species Helix (Plectotropis) gerlachi Martens, 1881 accepted as Plectotropis gerlachi (Martens, 1881) (unaccepted combination)
          » Variety Helix (Plectotropis) gerlachi var. hunancola Gredler, 1887 accepted as Plectotropis gerlachi hunancola (Gredler, 1887) (original combination and rank)
        » Species Helix (Plectotropis) gitaena Bavay & Dautzenberg, 1909 accepted as Aegista gitaena (Bavay & Dautzenberg, 1908) (original combination)
        » Species Helix (Plectotropis) howardi Angas, 1869 accepted as Contramelon howardi (Angas, 1869) (original combination)
        » Species Helix (Plectotropis) hyperteleia Morlet, 1892 accepted as Plectotropis hyperteleia (Morlet, 1892) (original combination)
        » Species Helix (Plectotropis) lofouana Möllendorff, 1888 accepted as Plectotropis lofouana (Möllendorff, 1888) (original combination)
        » Species Helix (Plectotropis) mariella H. Adams, 1870 accepted as Platypetasus mariella (H. Adams, 1870) (basionym)
        » Species Helix (Plectotropis) ningpoensis O. Boettger, 1892 accepted as Plectotropis trichotropis ningpoensis (O. Boettger, 1892) (original combination and rank)
        » Species Helix (Plectotropis) pseudotrochula Bavay & Dautzenberg, 1909 accepted as Plectotropis pseudotrochula (Bavay & Dautzenberg, 1909) (original combination)
        » Species Helix (Plectotropis) scabricula A. Adams, 1868 accepted as Plectotropis scabricula (A. Adams, 1868) (original combination)
        » Species Helix (Plectotropis) setocincta A. Adams, 1868 accepted as Aegista (Plectotropis) setocincta (A. Adams, 1868) (original combination)
        » Species Helix (Plectotropis) shermani L. Pfeiffer, 1865 accepted as Aegista shermani (L. Pfeiffer, 1865) (unaccepted combination)
        » Species Helix (Plectotropis) subconella Möllendorff, 1888 accepted as Plectotropis subconella (Möllendorff, 1888) (original combination)
        » Species Helix (Plectotropis) subinflexa Mabille, 1889 accepted as Aegista subinflexa (Mabille, 1889) (unaccepted combination)
        » Species Helix (Plectotropis) trochula A. Adams, 1868 accepted as Neoaegista trochula (A. Adams, 1868) (original combination)
        » Species Helix (Plectotropis) xydaea Bavay & Dautzenberg, 1909 accepted as Plectotropis xydaea (Bavay & Dautzenberg, 1909) (original combination)
      » Subgenus Helix (Poecilostola) Ancey, 1886 accepted as Epiphragmophora (Pilsbrya) Ancey, 1887 (unaccepted, invalid: junior homonym of Poecilostola Schiner, 1863 [Diptera]; Pilsbrya is a replacement name)
      » Subgenus Helix (Polygyra) Say, 1818 accepted as Polygyra Say, 1818 (unaccepted)
        » Species Helix (Polygyra) couchiana I. Lea, 1857 accepted as Linisa ariadnae (L. Pfeiffer, 1848)
        » Species Helix (Polygyra) deltoidea Simpson, 1888 accepted as Daedalochila deltoidea (Simpson, 1888)
        » Species Helix (Polygyra) hensanensis Gredler, 1885 accepted as Moellendorffia hensanensis (Gredler, 1885) (original combination)
        » Species Helix (Polygyra) implicata Martens, 1865 accepted as Linisa implicata (E. von Martens, 1865)
        » Species Helix (Polygyra) microdiscus Bavay, 1908 accepted as Stenopylis coarctata (Moellendorff, 1894) (junior synonym)
        » Species Helix (Polygyra) mooreana W. G. Binney, 1857 accepted as Daedalochila mooreana (W.G. Binney, 1857)
        » Species Helix (Polygyra) oppilata Morelet, 1849 accepted as Linisa oppilata (Morelet, 1849)
        » Species Helix (Polygyra) planorbiformis Sacco, 1886 † accepted as Protodrepanostoma planorbiforme (Sacco, 1886) †
          » Variety Helix (Polygyra) planorbiformis var. tassaroliana Sacco, 1889 † (taxon inquirendum)
        » Species Helix (Polygyra) plioauriculata Sacco, 1889 † accepted as Protodrepanostoma plioauriculatum (Sacco, 1889) † (new combination)
        » Species Helix (Polygyra) tamaulipasensis I. Lea, 1857 accepted as Linisa tamaulipasensis (I. Lea, 1857)
        » Species Helix (Polygyra) tholus W. G. Binney, 1857 accepted as Daedalochila mooreana (W.G. Binney, 1857)
        » Species Helix (Polygyra) trisinuata Martens, 1867 accepted as Moellendorffia trisinuata (Martens, 1867) (unaccepted combination)
          » Variety Helix (Polygyra) trisinuata var. sculptilis Möllendorff, 1884 accepted as Moellendorffia trisinuata sculptilis (Möllendorff, 1884) (unaccepted combination and rank)
        » Species Helix (Polygyra) auriculata (uncertain)
      » Subgenus Helix (Polymita) H. Beck, 1837 accepted as Polymita H. Beck, 1837 (unaccepted, original rank)
      » Subgenus Helix (Pomatia) H. Beck, 1837 accepted as Helix Linnaeus, 1758 (unaccepted, Invalid: junior homonym of Pomatia Röding, 1798; and junior objective synonym of Helix)
      » Subgenus Helix (Prothelidomus) Oppenheim, 1890 † accepted as Dentellocaracolus (Prothelidomus) Oppenheim, 1890 † (unaccepted)
      » Subgenus Helix (Pseudobuliminus) Gredler, 1886 accepted as Pseudobuliminus Gredler, 1886 (unaccepted, original rank)
      » Subgenus Helix (Pseudotachea) C.R. Boettger, 1909 accepted as Pseudotachea C.R. Boettger, 1909 (unaccepted)
      » Subgenus Helix (Pyramidula) Fitzinger, 1833 accepted as Pyramidula Fitzinger, 1833 (unaccepted)
        » Species Helix (Pyramidula) thurstoni Russell, 1926 † accepted as Radiocentrum thurstoni (Russell, 1926) † (new combination)
      » Subgenus Helix (Rhagada) Albers, 1860 accepted as Rhagada Albers, 1860 (unaccepted)
        » Species Helix (Rhagada) bordaensis Angas, 1880 accepted as Glyptorhagada bordaensis (Angas, 1880) (original combination)
        » Species Helix (Rhagada) floresiana Martens, 1891 accepted as Rhagada floresiana (Martens, 1891) (original combination)
        » Species Helix (Rhagada) inconvicta E. A. Smith, 1894 accepted as Westraltrachia oscarensis (Cox, 1892) (junior synonym)
        » Species Helix (Rhagada) kooringensis Angas, 1877 accepted as Glyptorhagada kooringensis (Angas, 1877) (original combination)
        » Species Helix (Rhagada) silveri Angas, 1868 accepted as Glyptorhagada silveri (Angas, 1868) (original combination)
      » Subgenus Helix (Rhytida) Albers, 1860 accepted as Rhytida Albers, 1860 (unaccepted, original rank)
        » Species Helix (Rhytida) balli Brazier, 1889 accepted as Pseudocharopa ledgbirdi (Brazier, 1889) (junior synonym)
        » Species Helix (Rhytida) beddomei Brazier, 1876 accepted as Murphitella franklandiensis (Forbes, 1852) (junior synonym)
        » Species Helix (Rhytida) hobsoni Brazier, 1876 accepted as Macrodelos hobsoni (Brazier, 1876) (original combination)
        » Species Helix (Rhytida) jamesi Brazier, 1876 accepted as Murphitella franklandiensis (Forbes, 1852) (junior synonym)
        » Species Helix (Rhytida) langleyana Brazier, 1875 accepted as Stenacapha hamiltoni (Cox, 1868) (junior synonym)
        » Species Helix (Rhytida) ledgbirdi Brazier, 1889 accepted as Pseudocharopa ledgbirdi (Brazier, 1889) (original combination)
        » Species Helix (Rhytida) sheridani Brazier, 1875 accepted as Limesta sheridani (Brazier, 1875) (original combination)
        » Species Helix (Rhytida) whiteleggei Brazier, 1889 accepted as Pseudocharopa whiteleggei (Brazier, 1889) (original combination)
      » Subgenus Helix (Rhytidopsis) Ancey, 1882 accepted as Rhytidopsis Ancey, 1882 (unaccepted, original rank)
      » Subgenus Helix (Rotula) Albers, 1850 accepted as Harmogenanina Germain, 1918 (unaccepted, invalid: junior homonym of Rotula Schumacher, 1817 [Echinodermata]; Cycliscus and Harmogenanina are replacement names)
      » Subgenus Helix (Sagda) Beck, 1837 accepted as Sagda H. Beck, 1837 (unaccepted, original rank)
        » Species Helix (Sagda) alvoleata Beck, 1837 accepted as Sagda epistylioides (Férussac, 1821) (junior synonym)
      » Subgenus Helix (Sagdellina) Cossmann, 1889 † accepted as Sagdellina Cossmann, 1889 † (unaccepted)
      » Subgenus Helix (Satsuma) A. Adams, 1868 accepted as Satsuma A. Adams, 1868 (unaccepted, original rank)
        » Species Helix (Satsuma) albida H. Adams, 1870 accepted as Satsuma albida (H. Adams, 1870) (original combination)
        » Species Helix (Satsuma) microtrochus Möllendorff, 1887 accepted as Ganesella microtrochus (Möllendorff, 1887) (original combination)
      » Subgenus Helix (Sculptaria) L. Pfeiffer, 1855 accepted as Sculptaria L. Pfeiffer, 1855 (unaccepted, distinct genus)
      » Subgenus Helix (Sesara) Albers, 1860 accepted as Sesara Albers, 1860 (unaccepted, original rank)
      » Subgenus Helix (Sivella) W.T. Blanford, 1863 accepted as Sivella W.T. Blanford, 1863 (unaccepted)
        » Species Helix (Sivella) percompressa Blanford, 1869 accepted as Trochomorpha percompressa (Blanford, 1869) (original combination)
      » Subgenus Helix (Solaropsis) Beck, 1837 accepted as Solaropsis H. Beck, 1837 (unaccepted, original rank)
      » Subgenus Helix (Sophina) W. H. Benson, 1859 accepted as Sophina W. H. Benson, 1859 (unaccepted, original rank)
      » Subgenus Helix (Stenotrema) Rafinesque, 1819 accepted as Stenotrema Rafinesque, 1819 (unaccepted)
        » Species Helix (Stenotrema) hirsutiformis Klika, 1891 † accepted as Pseudostenotrema hirsutiformis (Klika, 1891) † (new combination)
        » Species Helix (Stenotrema) monodon (uncertain)
      » Subgenus Helix (Sterna) Albers, 1850 accepted as Elona H. Adams & A. Adams, 1855 (unaccepted, Invalid: junior homonym of Sterna Linnaeus, 1758 [Aves])
      » Subgenus Helix (Streptaxis) Gray, 1837 accepted as Streptaxis Gray, 1837 (unaccepted, original combination)
        » Species Helix (Streptaxis) petitii Gould, 1843 (taxon inquirendum)
        » Species Helix (Streptaxis) distorta Jonas in Philippi, 1843 accepted as Lamelliger distorta (Jonas in Philippi, 1843) (original combination)
        » Species Helix (Streptaxis) streptodon S. Moricand, 1851 accepted as Streptartemon streptodon (S. Moricand, 1851) (original combination)
      » Subgenus Helix (Systenostoma) Bavay & Dautzenberg, 1909 accepted as Systenostoma Bavay & Dautzenberg, 1909 (unaccepted, original rank)
      » Subgenus Helix (Tachea) W. Turton, 1831 accepted as Cepaea Held, 1838 (unaccepted, Invalid: junior homonym of Tachea Fleming, 1822 [Aves])
      » Subgenus Helix (Tacheocampylaea) L. Pfeiffer, 1877 accepted as Tacheocampylaea L. Pfeiffer, 1877 (unaccepted, original rank)
      » Subgenus Helix (Thalassia) Martens, 1860 accepted as Nitor Gude, 1911 (unaccepted, Invalid: junior homonym of Thalassia Dejean, 1835 [Coleoptera] and Thalassia Bonaparte, 1856 [Aves])
        » Species Helix (Thalassia) gayndahensis Brazier, 1876 accepted as Delinitesta gayndahensis (Brazier, 1876) (basionym)
        » Species Helix (Thalassia) sappho Brazier, 1876 accepted as Expocystis sappho (Brazier, 1876) (original combination)
        » Species Helix (Thalassia) traversi E. A. Smith, 1884 accepted as Therasia traversi (E. A. Smith, 1884)
      » Subgenus Helix (Thea) Albers, 1850 accepted as Plectotropis E. von Martens, 1860 (unaccepted, Invalid: junior homonym of Thea Mulsant, 1846 [Coleoptera]; Plectotropis is a replacement name)
      » Subgenus Helix (Theba) Risso, 1826 accepted as Theba Risso, 1826 (unaccepted)
        » Species Helix (Theba) caucasicola Lindholm, 1913 accepted as Kokotschashvilia caucasicola (Lindholm, 1913) (original combination)
        » Species Helix (Theba) selecta Klika, 1894 accepted as Stenomphalia selecta (Klika, 1894) (original combination, replacement name for Helix globula Kaleniczenko, 1853 non Helix globula Lea, 1837)
        » Species Helix (Theba) subcarthusiana Lindholm, 1913 accepted as Monacha subcarthusiana (Lindholm, 1913)
        » Species Helix (Theba) tschorochensis Lindholm, 1913 accepted as Stenomphalia selecta (Klika, 1894) (a junior synonym)
      » Subgenus Helix (Trachia) E. von Martens, 1860 accepted as Trachia E. von Martens, 1860 (unaccepted, original combination)
        » Species Helix (Trachia) bathurstensis E.A. Smith, 1894 accepted as Torresitrachia bathurstensis (E. A. Smith, 1894) (original combination)
        » Species Helix (Trachia) catostoma Blanford, 1869 accepted as Aegista catostoma (Blanford, 1869) (original combination)
        » Species Helix (Trachia) derbyana E. A. Smith, 1894 accepted as Westraltrachia derbyi (Cox, 1892) (junior synonym)
        » Species Helix (Trachia) endeavourensis Brazier, 1872 accepted as Torresitrachia torresiana (Hombron & Jacquinot, 1841) (junior synonym)
        » Species Helix (Trachia) gascoynensis E. A. Smith, 1894 accepted as Plectorhagada gascoynensis (E. A. Smith, 1894) (original combination)
        » Species Helix (Trachia) ihliana Babor, 1897 † accepted as Pseudochloritis robusta (Reuss in Reuss & Meyer, 1849) † (junior synonym)
        » Species Helix (Trachia) malayana Möllendorff, 1887 accepted as Trichochloritis breviseta (L. Pfeiffer, 1862) (junior synonym)
      » Subgenus Helix (Trachycystis) Pilsbry, 1893 accepted as Trachycystis Pilsbry, 1893 (unaccepted)
      » Subgenus Helix (Trichia) Hartmann, 1840 accepted as Trochulus Chemnitz, 1786 (unaccepted, Invalid: junior homonym of Trichia De Haan, 1839 [Crustacea].)
        » Species Helix (Trichia) rhysota Westerlund, 1896 accepted as Lindholmomneme rhysota (Westerlund, 1876)
          » Variety Helix (Trichia) rhysota var. altaica Westerlund, 1896 accepted as Lindholmomneme altaica (Westerlund, 1896) (original combination)
        » Species Helix (Trichia) rufispira (Martens, 1874) accepted as Cathaica rufispira (Martens, 1874) (original combination)
          » Subspecies Helix (Trichia) rufispira fuscior Rosen, 1903 accepted as Cathaica rufispira fuscior (Rosen, 1903) (original combination)
      » Subgenus Helix (Trichochloritis) Pilsbry, 1891 accepted as Trichochloritis Pilsbry, 1891 (unaccepted)
      » Subgenus Helix (Trigonostoma) Fitzinger, 1833 accepted as Helicodonta A. Férussac, 1821 (unaccepted, Invalid: Junior homonym of Trigonostoma Blainville, 1825 [Cancellariidae]; also a junior objective synonym of Helicodonta)
      » Subgenus Helix (Triodopsis) Rafinesque, 1819 accepted as Triodopsis Rafinesque, 1819 (unaccepted)
      » Subgenus Helix (Trochomorpha) Albers, 1850 accepted as Trochomorpha Albers, 1850 (unaccepted, original rank)
        » Species Helix (Trochomorpha) deiopeia Angas, 1869 accepted as Trochomorpha deiopeia (Angas, 1869) (basionym)
        » Species Helix (Trochomorpha) eudora Angas, 1869 accepted as Trochomorpha zenobia (L. Pfeiffer, 1863) (junior synonym)
        » Species Helix (Trochomorpha) juanita Angas, 1873 accepted as Trochomorpha juanita (Angas, 1873) (original combination)
        » Species Helix (Trochomorpha) sanctaeannae E. A. Smith, 1885 accepted as Trochomorpha sanctaeannae (E. A. Smith, 1885) (original combination)
      » Subgenus Helix (Trochonanina) Mousson, 1869 accepted as Trochonanina Mousson, 1869 (unaccepted, superseded combination)
      » Subgenus Helix (Trochozonites) Pfeffer, 1883 accepted as Trochozonites Pfeffer, 1883 (unaccepted, distinct genus)
      » Subgenus Helix (Turricula) Beck, 1837 accepted as Trochoidea T. Brown, 1827 (unaccepted, Invalid: junior homonym of Turricula Schumacher, 1817 [Turridae])
      » Subgenus Helix (Ulostoma) Albers, 1850 accepted as Polygyra Say, 1818 (unaccepted, objective junior synonym)
      » Subgenus Helix (Vallonia) Risso, 1826 accepted as Vallonia Risso, 1826 (unaccepted)
        » Species Helix (Vallonia) brochoni Degrange-Touzin, 1892 † accepted as Vallonia brochoni (Degrange-Touzin, 1892) †
        » Species Helix (Vallonia) brochoni Degrange-Touzin, 1893 accepted as Vallonia costata (O. F. Müller, 1774)
        » Species Helix (Vallonia) costata (O. F. Müller, 1774) accepted as Vallonia costata (O. F. Müller, 1774)
        » Species Helix (Vallonia) costellata Sandberger, 1875 accepted as Vallonia costata (O. F. Müller, 1774)
        » Species Helix (Vallonia) girauxae Cossmann, 1902 † accepted as Vallonia girauxae (Cossmann, 1902) †
        » Species Helix (Vallonia) ladacensis Nevill, 1878 accepted as Vallonia ladacensis (Nevill, 1878) (original combination)
        » Species Helix (Vallonia) subcostata Clessin, 1912 † accepted as Vallonia subcyclophorella (Gottschick, 1911) † (junior synonym)
        » Species Helix (Vallonia) subcyclophorella Gottschick, 1911 † accepted as Vallonia subcyclophorella (Gottschick, 1911) †
        » Species Helix (Vallonia) subpulchella F. Sandberger, 1872 † accepted as Vallonia lepida (Reuss in Reuss & Meyer, 1849) † (junior synonym)
      » Subgenus Helix (Videna) H. Adams & A. Adams, 1855 accepted as Videna H. Adams & A. Adams, 1855 (unaccepted)
        » Species Helix (Videna) bonneti Cossmann, 1902 † accepted as Discus bonneti (Cossmann, 1902) † (new combination)
        » Species Helix (Videna) ducani Legrand, 1871 accepted as Stenacapha hamiltoni (Cox, 1868) (junior synonym)
        » Species Helix (Videna) floodi Legrand, 1871 accepted as Stenacapha hamiltoni (Cox, 1868) (junior synonym)
        » Species Helix (Videna) kingi Brazier, 1871 accepted as Stenacapha hamiltoni (Cox, 1868) (junior synonym)
        » Species Helix (Videna) margaritae Cossmann, 1902 † accepted as Discus margaritae (Cossmann, 1902) † (new combination)
        » Species Helix (Videna) milligani Legrand, 1871 accepted as Stenacapha hamiltoni (Cox, 1868) (junior synonym)
        » Species Helix (Videna) pascoei Legrand, 1871 accepted as Stenacapha hamiltoni (Cox, 1868) (junior synonym)
        » Species Helix (Videna) quaestiosa Legrand, 1871 accepted as Tasmaphena sinclairi (L. Pfeiffer, 1845) (junior synonym)
        » Species Helix (Videna) ruga Legrand, 1871 accepted as Tasmaphena ruga (Legrand, 1871) (original combination)
      » Subgenus Helix (Vortex) Beck, 1837 accepted as Helicodonta A. Férussac, 1821 (unaccepted, Invalid: junior objective synonym of Helicodonta )
      » Subgenus Helix (Xanthomelon) Martens, 1860 accepted as Xanthomelon E. von Martens, 1860 (unaccepted)
      » Subgenus Helix (Xerophila) Held, 1838 accepted as Theba Risso, 1826 (unaccepted)
        » Species Helix (Xerophila) millepunctata O. Boettger, 1889 (taxon inquirendum)
        » Species Helix (Xerophila) hierocontina Westerlund, 1889 accepted as Xerocrassa langloisiana (Bourguignat, 1853) (junior synonym)
        » Species Helix (Xerophila) joppensis Schmidt, 1855 accepted as Xeropicta krynickii (Andrzejowski in Krynicki, 1833)
          » Forma Helix (Xerophila) joppensis f. minor O. Boettger, 1883 accepted as Xeropicta krynickii (Andrzejowski in Krynicki, 1833) (junior synonym)
          » Variety Helix (Xerophila) joppensis var. subkrynickii Germain, 1921 accepted as Xeropicta krynickii (Andrzejowski in Krynicki, 1833) (unjustified emendation for Helix joppensis var. subkrynickiana)
        » Species Helix (Xerophila) phrygostriata Oppenheim, 1919 † accepted as Helicopsis phrygostriata (Oppenheim, 1919) † (new combination)
        » Species Helix (Xerophila) subconspurcata F. Sandberger, 1875 † accepted as Pseudoxerotricha subconspurcata (F. Sandberger, 1875) † (new combination)
        » Species Helix (Xerophila) vestalis L. Pfeiffer, 1841 accepted as Xeropicta krynickii (Andrzejowski in Krynicki, 1833)
      » Subgenus Helix (Xesta) Albers, 1850 accepted as Xesta Albers, 1850 (unaccepted)
      » Subgenus Helix (Zenobia) Gray, 1821 accepted as Monacha Fitzinger, 1833 (unaccepted, subjective senior synonym of Monacha Fitzinger, 1833)
      » Subgenus Helix (Zonites) Montfort, 1810 accepted as Zonites Montfort, 1810 (unaccepted, considered a separate genus)
      » Species Helix abax Marie, 1870 accepted as Micromphalia abax (Marie, 1870) (unaccepted, original combination)
      » Species Helix aberrata Souleyet, 1852 accepted as Perrottetia aberrata (Souleyet, 1852) (unaccepted, original combination)
      » Species Helix abjecta R. T. Lowe, 1831 accepted as Caseolus abjectus (R. T. Lowe, 1831) (unaccepted)
        » Subspecies Helix abjecta nesiotes Wollaston, 1878 accepted as Caseolus (Caseolus) abjectus nesiotes (Wollaston, 1878) (original combination)
      » Species Helix abjecta Gould, 1848 accepted as Neohelix divesta (Gould, 1851) (unaccepted)
      » Species Helix abrettensis Fontannes, 1876 † accepted as Tropidomphalus (Pseudochloritis) abrettensis (Fontannes, 1876) † (unaccepted, new combination)
      » Species Helix abrochroa Crosse, 1868 accepted as Trochomorpha abrochroa (Crosse, 1868) (unaccepted, original combination)
      » Species Helix abyssorum d'Orbigny, 1835 accepted as Drymaeus abyssorum (d'Orbigny, 1835) (unaccepted, original combination)
      » Species Helix acalles Pfeiffer, 1857 accepted as Euplecta acalles (Pfeiffer, 1857) (unaccepted, original combination)
      » Species Helix acanthinula Crosse, 1868 accepted as Acanthoptyx acanthinula (Crosse, 1868) (unaccepted, original combination)
      » Species Helix accrescens Heude, 1882 accepted as Aegista accrescens (Heude, 1882) (unaccepted, original combination)
      » Species Helix acerra Lewis, 1871 accepted as Ventridens acerra (Lewis, 1871) (unaccepted)
      » Species Helix acetabulum Pease, 1861 accepted as Nesodiscus obolus (Gould, 1846) (unaccepted, junior synonym)
      » Species Helix achates Rossmässler, 1835 accepted as Chilostoma achates (Rossmässler, 1835) (unaccepted, original combination)
      » Species Helix achatina L. Pfeiffer, 1845 accepted as Plectopylis repercussa (Gould, 1856) (unaccepted, synonym)
      » Species Helix acmella L. Pfeiffer, 1860 accepted as Papuina meta (L. Pfeiffer, 1856) (unaccepted, junior synonym)
      » Species Helix acris Benson, 1859 accepted as Ganesella acris (Benson, 1859) (unaccepted, original combination)
      » Species Helix actinophora R. T. Lowe, 1831 accepted as Actinella (Actinella) actinophora actinophora (R. T. Lowe, 1831) (unaccepted, original combination)
      » Species Helix acuducta Benson, 1850 accepted as Euplecta acuducta (Benson, 1850) (unaccepted, original combination)
      » Species Helix acuta O. F. Müller, 1774 accepted as Cochlicella acuta (O. F. Müller, 1774) (unaccepted, original combination)
      » Species Helix acuta Lamarck, 1816 accepted as Lucerna lamarckii (Férussac, 1821) (unaccepted, invalid: junior homonym of Helix acuta O.F. Müller, 1774)
      » Species Helix adamnis Dall, 1890 † accepted as Linisa adamnis (Dall, 1890) † (unaccepted, new combination)
      » Species Helix adansoniae Morelet, 1848 accepted as Trochozonites adansoniae (Morelet, 1848) (unaccepted, original combination)
      » Species Helix adolfi L. Pfeiffer, 1854 accepted as Xerosecta adolfi (L. Pfeiffer, 1854) (unaccepted, original combination)
      » Species Helix adornata Noulet, 1867 † accepted as Parachloraea adornata (Noulet, 1867) † (unaccepted, new combination)
      » Species Helix advena Rossmässler, 1842 accepted as Faustina rossmaessleri (L. Pfeiffer, 1842) (unaccepted, junior synonym)
      » Species Helix aecouria Letourneux & Bourguignat, 1887 accepted as Massylaea vermiculata (O. F. Müller, 1774) (unaccepted, junior synonym)
      » Species Helix aemula L. Pfeiffer, 1852 accepted as Kosicia ambrosi (Strobel, 1852) (unaccepted, junior synonym)
      » Species Helix aenea F. Krauss, 1848 accepted as Chalcocystis aenea (F. Krauss, 1848) (unaccepted, original combination)
      » Species Helix aenigma Dohrn, 1875 accepted as Labyrinthus aenigmus (Dohrn, 1875) (unaccepted, original combination)
      » Species Helix aequatoria L. Pfeiffer, 1860 accepted as Isomeria aequatoria (L. Pfeiffer, 1860) (unaccepted, original combination)
      » Species Helix aequatoriana Hidalgo, 1867 accepted as Isomeria aequatoriana (Hidalgo, 1867) (unaccepted, original combination)
      » Species Helix aeruginosa Gould, 1855 accepted as Helminthoglypta arrosa arrosa (W.G. Binney, 1858) (unaccepted)
      » Species Helix aesopus Angas, 1878 accepted as Labyrinthus triplicatus (E. von Martens, 1868) (unaccepted, junior synonym)
      » Species Helix afra Gmelin, 1791 accepted as Pedipes pedipes (Bruguière, 1789) (unaccepted, synonym)
      » Species Helix africae A.D. Brown, 1865 accepted as Chilocystis africae (A.D. Brown, 1865) (unaccepted, original combination)
      » Species Helix aggerivaga Mabille, 1880 accepted as Cornu aspersum (O. F. Müller, 1774) (unaccepted)
      » Species Helix aggiei Heimburg, 1890 accepted as Crystallopsis hunteri (Cox, 1872) (unaccepted, junior synonym)
      » Species Helix agnocheilus E. A. Smith, 1892 accepted as Canefriula azonata (Hedley, 1891) (unaccepted, junior synonym)
      » Species Helix aigenensis Tausch, 1886 † accepted as Pseudostrobilus aigenensis (Tausch, 1886) † (unaccepted, new combination)
      » Species Helix alauda Férussac, 1821 accepted as Coryda alauda (Férussac, 1821) (unaccepted, original combination)
      » Species Helix albanica Rossmässler, 1836 accepted as Paraegopis albanicus (Rossmässler, 1836) (unaccepted, original combination)
      » Species Helix albicostis Pfeiffer, 1860 accepted as Trachia albicostis (Pfeiffer, 1860) (unaccepted, original combination)
      » Species Helix albigensis Noulet, 1854 † accepted as Parachloraea albigensis (Noulet, 1854) † (unaccepted, new combination)
      » Species Helix albizonata Dohrn, 1858 accepted as Euplecta albizonata (Dohrn, 1858) (unaccepted, original combination)
      » Species Helix albocincta Gould, 1851 accepted as Praticolella griseola (L. Pfeiffer, 1841) (unaccepted, nomen nudum)
      » Species Helix albolabris Say, 1817 accepted as Neohelix albolabris albolabris (Say, 1817) (unaccepted)
      » Species Helix albolineata Gould, 1857 accepted as Praticolella griseola (L. Pfeiffer, 1841) (unaccepted, nomen nudum)
      » Species Helix albozonata Gould, 1857 accepted as Praticolella griseola (L. Pfeiffer, 1841) (unaccepted)
      » Species Helix albumenoidea Cox, 1868 accepted as Echonitor albumenoideus (Cox, 1868) (unaccepted, original combination)
      » Species Helix alcarazana Rossmässler, 1854 accepted as Iberus alonensis (A. Férussac, 1821) (unaccepted, junior synonym)
      » Species Helix alfredi Cox, 1871 accepted as Megalacron alfredi (Cox, 1871) (unaccepted, original combination)
        » Variety Helix alfredi var. trichroa Martens, 1881 accepted as Megalacron alfredi (Cox, 1871) (junior synonym)
      » Species Helix algira Linnaeus, 1758 accepted as Zonites algirus (Linnaeus, 1758) (unaccepted, original combination)
      » Species Helix algiroides Reuss in Reuss & Meyer, 1849 † accepted as Miozonites algiroides (Reuss in Reuss & Meyer, 1849) † (unaccepted, new combination)
      » Species Helix allasteri Cox, 1873 accepted as Crystallopsis hunteri (Cox, 1872) (unaccepted, junior synonym)
      » Species Helix allecta Cox, 1870 accepted as Sinployea allecta (Cox, 1870) (unaccepted, original combination)
      » Species Helix alliaria J. S. Miller, 1822 accepted as Oxychilus allarius (J. S. Miller, 1822) (unaccepted)
      » Species Helix alloiodes Thomä, 1845 † accepted as Palaeotachea alloiodes (Thomä, 1845) † (unaccepted, new combination)
      » Species Helix alonensis A. Férussac, 1821 accepted as Iberus alonensis (A. Férussac, 1821) (unaccepted, original combination)
        » Variety Helix alonensis var. lorcana Rossmässler, 1854 accepted as Iberus alonensis (A. Férussac, 1821) (junior synonym)
      » Species Helix alpestris Rossmässler, 1837 accepted as Arianta arbustorum alpicola (A. Férussac, 1821) (unaccepted, junior synonym)
      » Species Helix alpha L. Pfeiffer, 1853 accepted as Aeschrodomus stipulata (Reeve, 1852) (unaccepted)
      » Species Helix alphonsi Deshayes, 1870 accepted as Sinicola alphonsi (Deshayes, 1870) (unaccepted, original combination)
      » Species Helix alta Pease, 1868 accepted as Mendana rectangula (L. Pfeiffer, 1846) (unaccepted, junior synonym)
      » Species Helix alternata Say, 1817 accepted as Anguispira alternata (Say, 1817) (unaccepted)
      » Species Helix alveolus Gassies, 1881 accepted as Andrefrancia alveolus (Gassies, 1881) (unaccepted, original combination)
      » Species Helix alveus Sandberger, 1875 † accepted as Agalactochilus inflexus (Zieten, 1832) † (unaccepted, new combination)
      » Species Helix amanda Rossmässler, 1838 accepted as Cernuella amanda (Rossmässler, 1838) (unaccepted, original combination)
      » Species Helix amarula Linnaeus, 1758 accepted as Thiara amarula (Linnaeus, 1758) (unaccepted, original combination)
      » Species Helix amberti Michaud, 1855 † accepted as Apula amberti (Michaud, 1855) † (unaccepted, new combination)
      » Species Helix ambigua Linnaeus, 1758 accepted as Fossarus ambiguus (Linnaeus, 1758) (unaccepted, original combination)
      » Species Helix amblytropis F. Sandberger, 1872 † accepted as Dentellocaracolus amblytropis (F. Sandberger, 1872) † (unaccepted, new combination)
      » Species Helix amictella Mabille, 1889 accepted as Camaena choboensis (Mabille, 1889) (unaccepted, synonym)
      » Species Helix amphibulima Férussac, 1839 accepted as Helicophanta amphibulima (Férussac, 1839) (unaccepted, original combination)
      » Species Helix amphicora Mabille, 1888 accepted as Camaena amphicora (Mabille, 1888) (unaccepted, original combination)
      » Species Helix ampulla Benson, 1850 accepted as Indrella ampulla (Benson, 1850) (unaccepted, original combination)
      » Species Helix ampullacea Linnaeus, 1758 accepted as Pila ampullacea (Linnaeus, 1758) (unaccepted, original combination)
      » Species Helix amurensis Gerstfeldt, 1859 accepted as Zoogenetes harpa (Say, 1824) (unaccepted)
      » Species Helix anachoreta W. G. Binney, 1857 accepted as Helminthoglypta nickliniana anachoreta (W.G. Binney, 1858) (unaccepted)
      » Species Helix anax Benson, 1865 accepted as Corilla anax (Benson, 1865) (unaccepted, original combination)
      » Species Helix anceps Strubell, 1895 accepted as Sulcobasis meraca (Iredale, 1941) (unaccepted, invalid: junior homonym of Helix anceps Gould, 1843; Goldielix meraca is a replacment name)
      » Species Helix anconostoma Lowe, 1831 accepted as Lauria cylindracea (Da Costa, 1778) (unaccepted)
      » Species Helix andersoni Cox, 1872 accepted as Figuladra volgiola (Iredale, 1933) (unaccepted, invalid: junior homonym of Helix andersoni Blanford, 1869; F. volgiola is a replacement name)
      » Species Helix andersoni W. Blanford, 1869 accepted as Hunyadiscus andersoni (W. Blanford, 1869) (unaccepted, original combination)
      » Species Helix andromache L. Pfeiffer, 1861 accepted as Helicostyla andromache (L. Pfeiffer, 1861) (unaccepted, original combination)
      » Species Helix angasiana Newcomb, 1862 accepted as Quirosena bougainvillei (Pfeiffer, 1860) (unaccepted, junior synonym)
      » Species Helix angasiana L. Pfeiffer, 1862 accepted as Sinumelon godfreyi Iredale, 1933 (unaccepted, invalid: junior homonym of Helix angasiana Newcomb, 1852; Sinumelon godfreyi is a replacement name)
      » Species Helix angistoma Férussac, 1821 accepted as Caracolus carinatus (Röding, 1798) (unaccepted)
      » Species Helix anguiculus Reeve, 1852 accepted as Cavellia anguicula (Reeve, 1852) (unaccepted)
      » Species Helix anguina Gould, 1847 accepted as Plectopylis anguina (Gould, 1847) (unaccepted, original combination)
      » Species Helix angulata Rackett, 1821 accepted as Helisoma anceps (Menke, 1830) (unaccepted)
      » Species Helix angusticollis Martens, 1875 accepted as Stegodera angusticollis (Martens, 1875) (unaccepted, original combination)
      » Species Helix annae Lewis, 1871 accepted as Ventridens acerra (Lewis, 1871) (unaccepted, nomen nudum)
      » Species Helix annatonensis L. Pfeiffer, 1854 accepted as Macrocycloides annatonensis (L. Pfeiffer, 1854) (unaccepted, original combination)
      » Species Helix annulata Case, 1847 accepted as Striatura exigua (Stimpson, 1850) (unaccepted)
      » Species Helix annulifera Reeve, 1852 accepted as Labyrinthus subplanatus sipunculatus (Forbes, 1850) (unaccepted, junior synonym)
      » Species Helix annulifera L. Pfeiffer, 1853 accepted as Labyrinthus subplanatus sipunculatus (Forbes, 1850) (unaccepted, junior homonym and synonym of Helix annulifera Reeve, 1852)
      » Species Helix antelata Cox, 1870 accepted as Liardetia samoensis (Mousson, 1865) (unaccepted, junior synonym)
      » Species Helix anthracophila Stache in F. Sandberger, 1871 † accepted as Obbinula anthracophila (Stache in F. Sandberger, 1871) † (unaccepted, new combination)
      » Species Helix antialba Petterd, 1879 accepted as Geminoropa antialba (Petterd, 1879) (unaccepted)
      » Species Helix antipoda Hombron & Jacquinot, 1841 accepted as Thalassohelix antipoda (Hombron & Jacquinot, 1841) (unaccepted)
      » Species Helix antrorsa L. Pfeiffer, 1855 accepted as Cymotropis antrorsa (L. Pfeiffer, 1855) (unaccepted, original combination)
      » Species Helix aorangi Suter, 1890 accepted as Huonodon microundulatum (Suter, 1890) (unaccepted)
      » Species Helix aperta Born, 1778 accepted as Cantareus apertus (Born, 1778) (unaccepted, original combination)
        » Variety Helix aperta var. globulosa Bourguignat, 1863 accepted as Cantareus koraegaelius (Bourguignat in Locard, 1882) (preoccupied name, non Helix globulosa von Zieten, 1832)
      » Species Helix aphrodite Pfeiffer, 1859 accepted as Crystallopsis aphrodite (Pfeiffer, 1859) (unaccepted, original combination)
      » Species Helix apia Hombron & Jacquinot, 1852 accepted as Trochomorpha apia (Hombron & Jacquinot, 1852) (unaccepted, original combination)
      » Species Helix apiculus L. Pfeiffer, 1849 accepted as Trochoidea cumiae (Calcara, 1847) (unaccepted, junior synonym)
      » Species Helix apollo L. Pfeiffer, 1860 accepted as Polydontes apollo (L. Pfeiffer, 1860) (unaccepted, original combination)
      » Species Helix appendiculata Reeve, 1854 accepted as Figuladra appendiculata (Reeve, 1854) (unaccepted, original combination)
      » Species Helix aprica F. Krauss, 1848 accepted as Chilocystis aprica (F. Krauss, 1848) (unaccepted, original combination)
      » Species Helix arachne Morelet, 1877 accepted as Psichion arachne (Morelet, 1877) (unaccepted, original combination)
      » Species Helix aranea L. Pfeiffer, 1871 accepted as Gittenbergia sororcula (Benoit, 1859) (unaccepted, junior synonym)
      » Species Helix arborea Say, 1817 accepted as Zonitoides arboreus (Say, 1817) (unaccepted, original combination)
      » Species Helix arboretorum Valenciennes, 1846 accepted as Helminthoglypta nickliniana nickliniana (I. Lea, 1838) (unaccepted)
      » Species Helix arboreus Say, 1817 accepted as Helix arborea Say, 1817 (unaccepted, original combination, incorrect gender ending)
      » Species Helix arbusticola Deshayes, 1870 accepted as Eulota arbusticola (Deshayes, 1870) (unaccepted, original combination)
      » Species Helix arbustorum Linnaeus, 1758 accepted as Arianta arbustorum (Linnaeus, 1758) (unaccepted)
      » Species Helix arcadica L. Pfeiffer, 1853 accepted as Thiessea arcadica (L. Pfeiffer, 1853) (unaccepted, original combination)
      » Species Helix ardua Cox, 1870 accepted as Liardetia samoensis (Mousson, 1865) (unaccepted, junior synonym)
      » Species Helix arenicola Tate, 1878 accepted as Paralaoma servilis (Shuttleworth, 1852) (unaccepted, junior synonym)
      » Species Helix arenosa Krynicki, 1836 accepted as Helicopsis filimargo arenosa (Krynicki, 1836) (unaccepted, original combination)
      » Species Helix argentina Holmberg, 1909 accepted as Epiphragmophora argentina (Holmberg, 1909) (unaccepted, original combination)
      » Species Helix argilacea Férussac, 1821 accepted as Parachloritis argilacea (Férussac, 1821) (unaccepted)
      » Species Helix arguta Pfeiffer, 1856 accepted as Elaphroconcha bataviana (von dem Busch, 1842) (unaccepted, junior synonym)
      » Species Helix ariadnae L. Pfeiffer, 1848 accepted as Linisa ariadnae (L. Pfeiffer, 1848) (unaccepted)
      » Species Helix aridorum Cox, 1866 accepted as Neveritis aridorum (Cox, 1866) (unaccepted, original combination)
      » Species Helix armoricensis Cossmann, 1902 † accepted as Acanthinula armoricensis (Cossmann, 1902) † (unaccepted, new combination)
      » Species Helix arneggensis F. Sandberger, 1875 † accepted as Loganiopharynx arneggensis (F. Sandberger, 1875) † (unaccepted, new combination)
      » Species Helix arnoldii Thomä, 1845 † accepted as Tropidomphalus arnoldii (Thomä, 1845) † (unaccepted, new combination)
      » Species Helix arnotti Benson, 1864 accepted as Microkerkus arnotti (Benson, 1864) (unaccepted, original combination)
      » Species Helix arnoudii Michaud, 1837 † accepted as Dimorphoptychia arnoudii (Michaud, 1837) † (unaccepted, new combination)
      » Species Helix arrosa W. G. Binney, 1858 accepted as Helminthoglypta arrosa arrosa (W.G. Binney, 1858) (unaccepted, replacement name)
      » Species Helix artensis Souverbie, 1859 accepted as Orpiella artensis (Souverbie, 1859) (unaccepted, original combination)
      » Species Helix aspera Férussac, 1821 accepted as Thelidomus aspera (Férussac, 1821) (unaccepted, invalid: junior homonym of Helix aspera Gmelin, 1791; no replacement name available)
      » Species Helix aspera Gmelin, 1791 accepted as Mieniplotia scabra (O. F. Müller, 1774) (unaccepted, junior synonym)
      » Species Helix asperella L. Pfeiffer, 1846 accepted as Trachia asperella (L. Pfeiffer, 1846) (unaccepted, original combination)
      » Species Helix aspersa O.F. Müller, 1774 accepted as Cornu aspersum (O. F. Müller, 1774) (unaccepted, original combination)
        » Forma Helix aspersa f. canaliculata Chevallier, 1977 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Forma Helix aspersa f. normalis Chevallier, 1977 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Subspecies Helix aspersa figarolae Jaeckel, 1954 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. acuminata Baudon, 1884 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. alba Locard, 1881 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. albescens Picard, 1840 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. albofasciata Jeffreys, 1862 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. alticola G. Nevill, 1880 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. brunnea Gassies, 1849 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. brunnea Baudon, 1884 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. cirtensis Kobelt, 1904 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. clathrata Taylor, 1914 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. concolorpallida Shuttleworth, 1843 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. conica Gassies, 1849 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. conoidea Picard, 1840 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. couderti Chevallier, 1977 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. depressa Paulucci, 1880 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. eburnea Baudon, 1884 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. elata Germain, 1908 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. exalbida Moquin-Tandon, 1855 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. fasciata Picard, 1840 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. fasciata Baudon, 1884 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. flammea Picard, 1840 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. flavescens Kreglinger, 1870 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. glabra Calcara, 1845 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. globosa Picard, 1840 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. globulosa Baudon, 1884 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. grisea Moquin-Tandon, 1855 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. immaculata Kreglinger, 1870 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. lutea Baudon, 1884 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. luteola Bourguignat, 1864 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. lutescens Grateloup, 1855 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. major Baudon, 1884 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. major Pascal, 1873 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. marmorata Moquin-Tandon, 1843 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. maxima Parfitt, 1874 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. maxima Taylor, 1883 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. megalostoma Bourguignat, 1864 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. minor Picard, 1840 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. minor Paulucci, 1879 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. monozona Taylor, 1914 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. nana G. Nevill, 1880 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. nigrescens Moquin-Tandon, 1855 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. obscurata Moquin-Tandon, 1855 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. ponderosa Taylor, 1914 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. puncticulata Baudon, 1884 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. quinquefasciata Requien, 1848 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. rufescens Picard, 1840 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. rufulazonata Stubbs, 1900 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. rugulosa Bourguignat, 1864 accepted as Cornu aspersum (O. F. Müller, 1774)
        » Variety Helix aspersa var. semifusca Cockerell, 1886 accepted as Cornu aspe