WoRMS taxon details

Helix Linnaeus, 1758

153970  (urn:lsid:marinespecies.org:taxname:153970)

accepted
Genus
Species Helix albescens Rossmässler, 1839
Species Helix anctostoma Martens, 1874
Species Helix antiochiensis Kobelt, 1896
Species Helix asemnis Bourguignat, 1860
Species Helix borealis Mousson, 1859
Species Helix buchii (Dubois de Montpéreux, 1840)
Species Helix calabrica Westerlund, 1876
Species Helix caperata Montagu, 1803
Species Helix cincta O. F. Müller, 1774
Species Helix diarti Cossmann, 1907 †
Species Helix dormitoris Kobelt, 1898
Species Helix engaddensis Bourguignat, 1852
Species Helix escherichi O. Boettger, 1898
Species Helix fathallae Nägele, 1901
Species Helix figulina Rossmässler, 1839
Species Helix gussoneana L. Pfeiffer, 1848
Species Helix kazouiniana Pallary, 1939
Species Helix ligata O. F. Müller, 1774
Species Helix lucorum Linnaeus, 1758
Species Helix lutescens Rossmässler, 1837
Species Helix melanostoma Draparnaud, 1801
Species Helix mileti Kobelt, 1906
Species Helix nucula Mousson, 1854
Species Helix pachya Bourguignat, 1860
Species Helix pathetica Mousson, 1854
Species Helix pelagonesica (Rolle, 1898)
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, 1837
Species Helix straminea Briganti, 1825
Species Helix sublutescens Wenz in Krejci & Wenz, 1926 †
Species Helix thessalica O. Boettger, 1886
Species Helix valentini Kobelt, 1891
Species Helix veterna Meek & Hayden, 1862 †
Species Helix vladica (Kobelt, 1898)

Species Helix carinata Link, 1807 (taxon inquirendum)
Species Helix stuartiae L. Pfeiffer, 1845 (taxon inquirendum)

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)

Species Helix roseri F. Krauss in E. von Martens, 1860 (nomen nudum)

Species Helix unidentata Draparnaud, 1805 (temporary name, invalid: junior homonym of Helix unidentata Holten, 1802)

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) 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, 1837
  » 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)
  » Species Helix (Helix) krejcii Wenz in Krejci & Wenz, 1926 † accepted as Cepaea krejcii (Wenz in Krejci & Wenz, 1926) † (new combination)
Subgenus Helix (Pelasga) P. Hesse, 1908 represented as Helix Linnaeus, 1758

Subgenus Helix (Acanthinula) H. Beck, 1847 accepted as Acanthinula H. Beck, 1847
Subgenus Helix (Aerope) E. von Martens, 1890 accepted as Natalina Pilsbry, 1893
Subgenus Helix (Buliminopsis) Heude, 1890 accepted as Buliminopsis Heude, 1890 accepted as Pseudobuliminus Gredler, 1886 (unaccepted rank)
Subgenus Helix (Camaena) Albers, 1850 accepted as Camaena Albers, 1850 (original rank)
Subgenus Helix (Camena) E. von Martens, 1860 accepted as Camaena Albers, 1850 (invalid: unjustified emendation of Camaena)
Subgenus Helix (Caprinus) Montfort, 1810 accepted as Pleurodonte Fischer von Waldheim, 1807
Subgenus Helix (Charopa) Martens, 1860 accepted as Charopa E. von Martens, 1860
  » Species Helix (Charopa) limula Legrand, 1871 accepted as Tasmathera limula (Legrand, 1871) (original combination)
  » Species Helix (Charopa) ricei Brazier, 1871 accepted as Tasmathera ricei (Brazier, 1871) (original combination)
Subgenus Helix (Chloritis) Beck, 1837 accepted as Chloritis H. Beck, 1837
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)
Subgenus Helix (Cochlitoma) Férussac, 1821 accepted as Cochlitoma A. Férussac, 1821 (original rank)
Subgenus Helix (Cochlogena) Férussac, 1821 accepted as Bulimulus Leach, 1814
Subgenus Helix (Conulus) Fitzinger, 1833 accepted as Euconulus Reinhardt, 1883 (Invalid: junior homonym of Conulus Leske, 1778 [Echinodermata])
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 (Coryda) Albers, 1850 accepted as Coryda Albers, 1850 (considered a separate genus)
Subgenus Helix (Craspedaria) R. T. Lowe, 1852 accepted as Craspedaria R. T. Lowe, 1852 (original combination)
Subgenus Helix (Crenea) Albers, 1850 accepted as Creneatachea Zilch, 1960 † (junior homonym of Crenea Risso, 1826)
Subgenus Helix (Cyrtochilus) F. Sandberger, 1875 † accepted as Cyrtochilus F. Sandberger, 1875 †
Subgenus Helix (Dentellocaracolus) Oppenheim, 1890 † accepted as Dentellocaracolus Oppenheim, 1890 †
Subgenus Helix (Dimorphoptychia) F. Sandberger, 1871 † accepted as Dimorphoptychia F. Sandberger, 1871 †
Subgenus Helix (Discus) Albers, 1850 accepted as Discus Albers, 1850 accepted as Videna H. Adams & A. Adams, 1855
  » 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) officeri Legrand, 1871 accepted as Scelidoropa officeri (Legrand, 1871) (original combination)
  » 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
Subgenus Helix (Epiphragmophora) Doering, 1875 accepted as Epiphragmophora Doering, 1875
Subgenus Helix (Eulota) W. Hartmann, 1841 accepted as Fruticicola Held, 1838 (a junior synonym)
Subgenus Helix (Euparypha) W. Hartmann, 1843 accepted as Theba Risso, 1826
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) devexa Reuss, 1861 accepted as Apula devexa (Reuss, 1861) † (new combination)
  » Species Helix (Fruticicola) goniostoma Sandberger, 1872 † accepted as Klikia (Apula) goniostoma (Sandberger, 1872) † accepted as Apula goniostoma (Sandberger, 1872) † (new combination)
  » Species Helix (Fruticicola) homalospira Reuss, 1861 † accepted as Pseudomonacha homalospira (Reuss, 1861) † (new combination)
  » Species Helix (Fruticicola) subvillosa Sandberger, 1858 † accepted as Leucochroopsis (Palaeotrichia) subvillosa (Sandberger, 1858) † represented as Leucochroopsis subvillosa (Sandberger, 1858) † (new combination)
Subgenus Helix (Galactochilus) F. Sandberger, 1875 accepted as Polydontes (Galactochilus) F. Sandberger, 1875 represented as Polydontes Montfort, 1810 (basionym)
Subgenus Helix (Galaxias) Beck, 1837 accepted as Trigonephrus Pilsbry, 1905 (invalid: junior homonym of Galaxias Cuvier, 1816)
Subgenus Helix (Geotrochus) van Hasselt, 1823 accepted as Geotrochus van Hasselt, 1823
Subgenus Helix (Gonostoma) Held, 1838 accepted as Helicodonta A. Férussac, 1821 (invalid: junior homonym of Gonostoma Rafinesque, 1810)
Subgenus Helix (Grandipatula) Cossmann, 1889 † accepted as Grandipatula Cossmann, 1889 †
Subgenus Helix (Hadra) accepted as Hadra E. von Martens, 1860
Subgenus Helix (Helicella) Gray, 1847 accepted as Helicella A. Férussac, 1821
Subgenus Helix (Helicigona) Férussac, 1821 accepted as Helicigona A. Férussac, 1821
Subgenus Helix (Helicogena) A. Férussac, 1821 accepted as Helix Linnaeus, 1758 (junior synonym)
Subgenus Helix (Helicophanta) A. Férussac, 1821 accepted as Helicophanta A. Férussac, 1821
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 (Iberus) Montfort, 1810 accepted as Iberus Montfort, 1810
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 (Levantina) Kobelt, 1871 accepted as Levantina Kobelt, 1871
  » 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)
  » 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) 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
Subgenus Helix (Macularia) Albers, 1850 accepted as Macularia Albers, 1850
Subgenus Helix (Mesodon) A. Férussac, 1821 accepted as Mesodon A. Férussac, 1821
Subgenus Helix (Obba) Beck, 1837 accepted as Obba H. Beck, 1837
Subgenus Helix (Obbinula) Stache, 1889 † accepted as Obbinula Stache, 1889 †
Subgenus Helix (Omalonyx) d'Orbigny, 1838 accepted as Omalonyx d'Orbigny, 1838 (original rank)
Subgenus Helix (Parachloraea) Sandberger, 1873 † accepted as Parachloraea Sandberger, 1873 † (considered a separate genus)
  » Species Helix (Parachloraea) arneggensis Miller, 1907 † accepted as Parachloraea arneggensis (Miller, 1907) † (Parachloraea is considered a separate genus)
Subgenus Helix (Pararhytida) Ancey, 1882 accepted as Pararhytida Ancey, 1882 (original rank)
Subgenus Helix (Patula) Held, 1837 accepted as Discus Fitzinger, 1833
  » Species Helix (Patula) falcifera O. Boettger, 1870 † accepted as Pleurodiscoides (Pleurodiscoides) falcifera (O. Boettger, 1870) † represented as Pleurodiscoides falcifera (O. Boettger, 1870) † (new combination)
  » Species Helix (Patula) paludinaeformis (Sandberger, 1858) † accepted as Acanthinula paludinaeformis (Sandberger, 1858) † (new combination)
  » Species Helix (Patula) somersetensis Melvill & Ponsonby, 1893 accepted as Trachycystis somersetensis (Melvill & Ponsonby, 1893) (original combination)
  » Species Helix (Patula) subteres Clessin, 1877 † accepted as Lucilla subteres (Clessin, 1877) † (new combination)
  » Species Helix (Patula) viridescens Melvill & Ponsonby, 1891 accepted as Natella viridescens (Melvill & Ponsonby, 1891) (basionym)
Subgenus Helix (Pella) E. von Martens, 1860 accepted as Trachycystis Pilsbry, 1893 (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) represented as Trachycystis tollini (Benson, 1856) (synonym)
Subgenus Helix (Phania) E. von Martens, 1860 accepted as Pyrochilus Pilsbry, 1893
Subgenus Helix (Plectopylis) Benson, 1860 accepted as Plectopylis Benson, 1860 (original rank)
  » Species Helix (Plectopylis) minor Godwin-Austen, 1879
  » Species Helix (Plectopylis) andersoni W. Blanford, 1869 accepted as Hunyadiscus andersoni (W. Blanford, 1869) (basionym)
  » Species Helix (Plectopylis) brahma Godwin-Austen, 1879 accepted as Endothyrella brahma (Godwin-Austen, 1879) (basionym)
  » Species Helix (Plectopylis) francoisi H. Fischer, 1899 accepted as Plectopylis francoisi H. Fischer, 1899 accepted as Gudeodiscus 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) 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) oglei Godwin-Austen, 1879 accepted as Endothyrella oglei (Godwin-Austen, 1879) (basionym)
  » 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)
Subgenus Helix (Plectotropis) Martens, 1860 accepted as Plectotropis E. von Martens, 1860
  » Species Helix (Plectotropis) fulvicans H. Adams, 1866 accepted as Aegista fulvicans (H. Adams, 1866) (original combination)
Subgenus Helix (Poecilostola) Ancey, 1886 accepted as Epiphragmophora (Pilsbrya) Ancey, 1887 represented as Epiphragmophora Doering, 1875 (invalid: junior homonym of Poecilostola Schiner, 1863 [Diptera]; Pilsbrya is a replacement name)
Subgenus Helix (Polygyra) Say, 1818 accepted as Polygyra Say, 1818
Subgenus Helix (Pseudotachea) C.R. Boettger, 1909 † accepted as Pseudotachea C.R. Boettger, 1909
Subgenus Helix (Pyramidula) Fitzinger, 1833 accepted as Pyramidula Fitzinger, 1833
Subgenus Helix (Rhagada) accepted as Rhagada Albers, 1860
Subgenus Helix (Sagdellina) Cossmann, 1889 † accepted as Sagdellina Cossmann, 1889 †
Subgenus Helix (Satsuma) A. Adams, 1868 accepted as Satsuma A. Adams, 1868 (original rank)
  » Species Helix (Satsuma) albida H. Adams, 1870 accepted as Satsuma albida (H. Adams, 1870) (original combination)
Subgenus Helix (Sculptaria) L. Pfeiffer, 1855 accepted as Sculptaria L. Pfeiffer, 1855 (distinct genus)
Subgenus Helix (Sesara) Albers, 1860 accepted as Sesara Albers, 1860 (original rank)
Subgenus Helix (Stenotrema) Rafinesque, 1819 accepted as Stenotrema Rafinesque, 1819
Subgenus Helix (Systenostoma) Bavay & Dautzenberg, 1909 accepted as Systenostoma Bavay & Dautzenberg, 1909 accepted as Tonkinospira Jochum, Slapnik & Páll-Gergely, 2014 (original rank)
Subgenus Helix (Tachea) W. Turton, 1831 accepted as Cepaea Held, 1838 (Invalid: junior homonym of Tachea Fleming, 1822 [Aves])
Subgenus Helix (Trachia) accepted as Trachia E. von Martens, 1860
Subgenus Helix (Trachycystis) Pilsbry, 1893 accepted as Trachycystis Pilsbry, 1893
Subgenus Helix (Trichia) Hartmann, 1840 accepted as Trochulus Chemnitz, 1786 (Invalid: junior homonym of Trichia De Haan, 1839 [Crustacea].)
Subgenus Helix (Trigonostoma) Fitzinger, 1833 accepted as Helicodonta A. Férussac, 1821 (Invalid: Junior homonym of Trigonostoma Blainville, 1825 [Cancellariidae]; also a junior objective synonym of Helicodonta)
Subgenus Helix (Trochomorpha) Albers, 1850 accepted as Trochomorpha Albers, 1850 (original rank)
Subgenus Helix (Trochozonites) Pfeffer, 1883 accepted as Trochozonites Pfeffer, 1883 (distinct genus)
Subgenus Helix (Vallonia) Risso, 1826 accepted as Vallonia Risso, 1826
Subgenus Helix (Videna) H. Adams & A. Adams, 1855 accepted as Videna H. Adams & A. Adams, 1855
Subgenus Helix (Xanthomelon) Martens, 1860 accepted as Xanthomelon E. von Martens, 1860
Subgenus Helix (Xerophila) Held, 1838 accepted as Theba Risso, 1826
Subgenus Helix (Zonites) Montfort, 1810 accepted as Zonites Montfort, 1810 (considered a separate genus)
Species Helix aberrata Souleyet, 1852 accepted as Perrottetia aberrata (Souleyet, 1852) (original combination)
Species Helix abyssorum d'Orbigny, 1835 accepted as Drymaeus abyssorum (d'Orbigny, 1835) (original combination)
Species Helix acetabulum Pease, 1861 accepted as Nesodiscus obolus (Gould, 1846) (junior synonym)
Species Helix achates Rossmässler, 1835 accepted as Chilostoma achates (Rossmässler, 1835) (original combination)
Species Helix acmella L. Pfeiffer, 1860 accepted as Papuina meta (L. Pfeiffer, 1856) (junior synonym)
Species Helix acuta Lamarck, 1816 accepted as Lucerna lamarckii (Férussac, 1821) (invalid: junior homonym of Helix acuta O.F. Müller, 1774)
Species Helix acuta O. F. Müller, 1774 accepted as Cochlicella acuta (O. F. Müller, 1774) (original combination)
Species Helix adamnis Dall, 1890 † accepted as Linisa adamnis (Dall, 1890) † (new combination)
Species Helix adolfi L. Pfeiffer, 1854 accepted as Xerosecta adolfi (L. Pfeiffer, 1854) (original combination)
Species Helix aecouria Letourneux & Bourguignat, 1887 accepted as Massylaea vermiculata (O. F. Müller, 1774) (junior synonym)
Species Helix aemula L. Pfeiffer, 1852 accepted as Kosicia ambrosi (Strobel, 1852) (junior synonym)
Species Helix aenea F. Krauss, 1848 accepted as Chalcocystis aenea (F. Krauss, 1848) (original combination)
Species Helix afra Gmelin, 1791 accepted as Pedipes pedipes (Bruguière, 1789) (synonym)
Species Helix africae A.D. Brown, 1865 accepted as Chilocystis africae (A.D. Brown, 1865) (original combination)
Species Helix aigenensis Tausch, 1886 † accepted as Pseudostrobilus aigenensis (Tausch, 1886) † (new combination)
Species Helix algiroides Reuss in Reuss & Meyer, 1849 † accepted as Miozonites algiroides (Reuss in Reuss & Meyer, 1849) † (new combination)
Species Helix allecta Cox, 1870 accepted as Sinployea allecta (Cox, 1870) (original combination)
Species Helix alloiodes Thomä, 1845 † accepted as Palaeotachea alloiodes (Thomä, 1845) † (new combination)
Species Helix alpha L. Pfeiffer, 1853 accepted as Aeschrodomus stipulatus [sic] accepted as Aeschrodomus stipulata (Reeve, 1852)
Species Helix alveus Sandberger, 1875 † (unaccepted, new combination)
Species Helix amarula Linnaeus, 1758 (unaccepted, original combination)
Species Helix ambigua Linnaeus, 1758 (unaccepted, original combination)
Species Helix ampullacea Linnaeus, 1758 (unaccepted, original combination)
Species Helix andersoni W. Blanford, 1869 (unaccepted, original combination)
Species Helix angistoma Férussac, 1821 (unaccepted)
Species Helix annatonensis L. Pfeiffer, 1854 (unaccepted, original combination)
Species Helix antelata Cox, 1870 (unaccepted, junior synonym)
Species Helix anthracophila Stache in F. Sandberger, 1871 † (unaccepted, new combination)
Species Helix antialba Petterd, 1879 (unaccepted)
Species Helix aorangi Suter, 1890 (unaccepted)
Species Helix apiculus L. Pfeiffer, 1849 (unaccepted, junior synonym)
Species Helix aprica F. Krauss, 1848 (unaccepted, original combination)
Species Helix arachne Morelet, 1877 (unaccepted, original combination)
Species Helix aranea L. Pfeiffer, 1871 (unaccepted, junior synonym)
Species Helix arboreus Say, 1817 (unaccepted, original combination)
Species Helix arcadica L. Pfeiffer, 1853 (unaccepted, original combination)
Species Helix ardua Cox, 1870 (unaccepted, junior synonym)
Species Helix argentina Holmberg, 1909 (unaccepted, original combination)
Species Helix argilacea Férussac, 1821 (unaccepted)
Species Helix arnoldii Thomä, 1845 † (unaccepted, new combination)
Species Helix arnotti Benson, 1864 (unaccepted, original combination)
Species Helix arnoudii Michaud, 1837 † (unaccepted, new combination)
Species Helix aspersa O.F. Müller, 1774 (unaccepted, original combination)
Species Helix atrolabiata Krynicki, 1833 (unaccepted, original combination)
Species Helix audouini d'Orbigny, 1835 (unaccepted, original combination)
Species Helix aulacophora Ancey, 1890 (unaccepted, original combination)
Species Helix aulacospira L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix auricularia Linnaeus, 1758 (unaccepted, original combination)
Species Helix aurismalchi O. F. Müller, 1774 (unaccepted, name suppressed by ICZN Opinion 1662)
Species Helix australis Férussac, 1821 (unaccepted, original combination)
Species Helix bacca L. Pfeiffer, 1866 (unaccepted, original combination)
Species Helix bailloni Kobelt, 1888 (unaccepted, original combination)
Species Helix balcanica L. Pfeiffer, 1853 (unaccepted, original combination)
Species Helix balmei Potiez & Michaud, 1838 (unaccepted, original combination)
Species Helix balthica Linnaeus, 1758 (unaccepted, original combination)
Species Helix barbatula Reeve, 1852 (unaccepted)
Species Helix barrakporensis L. Pfeiffer, 1852 (unaccepted, original combination)
Species Helix bascauda Benson, 1859 (unaccepted, original combination)
Species Helix bathyomphala L. Pfeiffer, 1848 (unaccepted, junior synonym)
Species Helix beatrix Angas, 1876 (unaccepted, junior synonym)
Species Helix beaumontii Matheron, 1842 † (unaccepted, new combination)
Species Helix belmorei Cox, 1871 (unaccepted, original combination)
Species Helix bennetti Brazier, 1872 (unaccepted, original combination)
Species Helix bernardii Michaud, 1862 † (unaccepted, new combination)
Species Helix berthelini Deshayes, 1863 † (unaccepted)
Species Helix biconcava L. Pfeiffer, 1853 (unaccepted)
Species Helix binaria L. Pfeiffer, 1856 (unaccepted, original combination)
Species Helix bisculpta Benson, 1851 (unaccepted, original combination)
Species Helix boghariensis Debeaux, 1857 (unaccepted, junior synonym)
Species Helix boissieri Charpentier, 1847 (unaccepted, preoccupied name)
Species Helix bonduelliana Bourguignat, 1863 (unaccepted, junior synonym)
Species Helix boryana Morelet, 1875 (unaccepted, junior synonym)
Species Helix botterii L. Pfeiffer, 1853 (unaccepted, original combination)
Species Helix braunii Thomä, 1845 † (unaccepted, new combination)
Species Helix brazieri Cox, 1868 (unaccepted)
Species Helix brenchleyi Brazier, 1875 (unaccepted, junior synonym)
Species Helix brodiei Brazier, 1872 (unaccepted, original combination)
Species Helix browningii Benson, 1864 (unaccepted, synonym)
Species Helix brunonis Kobelt, 1894 (unaccepted, original combination)
Species Helix bursatella Gould, 1846 (unaccepted, original combination)
Species Helix busbyi Gray, 1850 (unaccepted)
Species Helix buttoni Petterd, 1879 (unaccepted, junior synonym)
Species Helix cabriti Gassies, 1863 (unaccepted, original combination)
Species Helix caeca Guppy, 1868 (unaccepted, synonym)
Species Helix caerulescens Gmelin, 1791 † (unaccepted, new combination)
Species Helix caesareana Mousson, 1854 (unaccepted, original combination)
Species Helix cafra A. Férussac, 1821 (unaccepted, new combination)
Species Helix calcarea L. Pfeiffer, 1849 (unaccepted, junior synonym)
Species Helix calculosa Gould, 1852 (unaccepted, original combination)
Species Helix cambojiensis Reeve, 1860 (unaccepted, original combination)
Species Helix camelina Bourguignat, 1852 (unaccepted, original combination)
Species Helix campesina L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix candescens C. B. Adams, 1850 (unaccepted)
Species Helix candicans L. Pfeiffer, 1841 (unaccepted, junior synonym)
Species Helix candidissima Draparnaud, 1801 (unaccepted, original combination)
Species Helix candiota L. Pfeiffer, 1849 (unaccepted, original combination)
Species Helix candisata L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix capensis L. Pfeiffer, 1841 (unaccepted, original combination)
Species Helix capillata Pease, 1866 (unaccepted, original combination)
Species Helix capsula Benson, 1864 (unaccepted, original combination)
Species Helix caputspinulae Reeve, 1852 (unaccepted)
Species Helix carinata Hombron & Jacquinot, 1841 (unaccepted, invalid: junior homonym of Helix carinata Link, 1807)
Species Helix carinatissima Sacco, 1886 † (unaccepted, new combination)
Species Helix carinulata Klein, 1853 † (unaccepted, junior synonym)
Species Helix cariosa Olivier, 1804 (unaccepted, original combination)
Species Helix carmelita Férussac, 1821 (unaccepted, non Lichenstein, 1794)
Species Helix carmelita Tristram, 1865 (unaccepted, junior synonym; preoccupied by Helix carmelita Férussac, 1821)
Species Helix carocolla Linnaeus, 1758 (unaccepted, original combination)
Species Helix carteriensis Quoy & Gaimard, 1832 (unaccepted)
Species Helix cartusiana O. F. Müller, 1774 (unaccepted, original combination)
Species Helix cavata Mousson, 1854 (unaccepted, junior synonym)
Species Helix cavernula L. Pfeiffer, 1853 (unaccepted, invalid: junior homonym of Helix cavernula Hombron & Jacquinot, 1852)
Species Helix cavernula Hombron & Jacquinot, 1847 (unaccepted, junior synonym)
Species Helix cellaria O. F. Müller, 1774 (unaccepted)
Species Helix cepoides Lea, 1840 (unaccepted, original combination)
Species Helix cerea L. Pfeiffer, 1851 (unaccepted, invalid; junior homonym of Helix cerea Gould, 1850)
Species Helix cerina Morelet, 1877 (unaccepted, original combination)
Species Helix cernua E. von Martens, 1889 (unaccepted, original combination)
Species Helix chaixi Michaud, 1855 † (unaccepted, incorrect subsequent spelling; new combination)
Species Helix chaixii Michaud, 1855 † (unaccepted, new combination)
Species Helix chamaeleon L. Pfeiffer, 1868 (unaccepted, original combination)
Species Helix charybdis Benson, 1856 (unaccepted, original combination)
Species Helix chertieri Deshayes, 1863 † (unaccepted)
Species Helix chevallieri Cossmann, 1886 † (unaccepted, new combination)
Species Helix chytrophora Mabille, 1887 (unaccepted, original combination)
Species Helix cicatricosa O. F. Müller, 1774 (unaccepted, original combination)
Species Helix cinctella Draparnaud, 1801 (unaccepted, original combination)
Species Helix cingulata (Studer, 1820) (unaccepted)
Species Helix circumlineata L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix cirtae Terver, 1839 (unaccepted, junior synonym)
Species Helix citrina Linnaeus, 1758 (unaccepted, original combination)
Species Helix citrinula L. Pfeiffer, 1859 (unaccepted, junior synonym)
Species Helix coagulum E. von Martens, 1889 (unaccepted, original combination)
Species Helix coarctata Klein, 1853 † (unaccepted, new combination)
Species Helix coarctata L. Pfeiffer, 1850 (unaccepted, invalid: junior homonym of Helix coarctata Montagu, 1803)
Species Helix collaris Pfeiffer, 1867 (unaccepted, original combination)
Species Helix collingii E. A. Smith, 1893 (unaccepted, original combination)
Species Helix colona Martens, 1877 (unaccepted, original combination)
Species Helix complanata Linnaeus, 1758 (unaccepted, original combination)
Species Helix conicoides Metcalfe, 1851 (unaccepted, original combination)
Species Helix conoidea Draparnaud, 1801 (unaccepted)
Species Helix consimilis Pease, 1868 (unaccepted)
Species Helix constantina E. Forbes, 1838 (unaccepted, original combination)
Species Helix constantinae Bourguignat, 1863 (unaccepted, unjustified emendation)
Species Helix constrictelabiata Miller, 1907 † (unaccepted, new combination)
Species Helix contermina L. Pfeiffer, 1847 (unaccepted, original combination)
Species Helix contorta Linnaeus, 1758 (unaccepted, original combination)
Species Helix contorta Quoy & Gaimard, 1824 (unaccepted, invalid: junior homonym of Helix contorta Linnaeus, 1758)
Species Helix contraria O.F. Müller, 1774 (unaccepted, original combination)
Species Helix contrarius O. F. Müller, 1774 (unaccepted, original combination)
Species Helix conula Pease, 1861 (unaccepted, original combination)
Species Helix conus L. Pfeiffer, 1841 (unaccepted, original combination)
Species Helix coquandiana Matheron, 1842 † (unaccepted, junior synonym)
Species Helix corallina Chemnitz, 1795 (unaccepted)
Species Helix corduensis Noulet, 1854 † (unaccepted, new combination)
Species Helix coriacea Pallas, 1788 (unaccepted, original combination)
Species Helix cornea Linnaeus, 1758 (unaccepted, new combination)
Species Helix corniculum Reeve, 1852 (unaccepted)
Species Helix cornuarietis Linnaeus, 1758 (unaccepted, original combination)
Species Helix cornumilitare Linnaeus, 1758 (unaccepted, original combination)
Species Helix corrugata L. Pfeiffer, 1847 (unaccepted, junior synonym)
Species Helix corvus Gmelin, 1791 (unaccepted, original combination)
Species Helix corys Benson, 1859 (unaccepted, original combination)
Species Helix cosmia L. Pfeiffer, 1852 (unaccepted, original combination)
Species Helix cotyledonis Benson, 1850 (unaccepted, original combination)
Species Helix crassa L. Pfeiffer, 1850 (unaccepted, invalid: junior homonym of Helix crassa da Costa, 1778; Codringtonia neocrassa is a replacement name)
Species Helix crassilabris L. Pfeiffer, 1847 (unaccepted, junior synonym)
Species Helix crebriflammis L. Pfeiffer, 1876 (unaccepted, junior synonym)
Species Helix crenata Gmelin, 1791 (unaccepted, original combination)
Species Helix cretacea Tausch, 1886 † (unaccepted, new combination)
Species Helix crispulata Mousson, 1861 (unaccepted, original combination)
Species Helix crustulum Cox, 1873 (unaccepted, original combination)
Species Helix crypta L. Pfeiffer, 1868 (unaccepted, junior synonym)
Species Helix cunninghami Gray in Griffith & Pidgeon, 1834 (unaccepted, objective synonym)
Species Helix cuyana L. Pfeiffer, 1867 (unaccepted, original combination)
Species Helix cyclostomoides Pfeiffer, 1840 (unaccepted, original combination)
Species Helix cyparissias L. Pfeiffer, 1847 (unaccepted, junior synonym)
Species Helix cypria L. Pfeiffer, 1847 (unaccepted, original combination)
Species Helix daedalea Gould, 1846 (unaccepted)
Species Helix daghestana Kobelt, 1877 (unaccepted, original combination)
Species Helix damnata Brongniart, 1810 † (unaccepted, new combination)
Species Helix dandenongensis Petterd, 1879 (unaccepted, original combination)
Species Helix decussata Montagu, 1803 (unaccepted, original combination)
Species Helix decussatula Pease, 1866 (unaccepted, original combination)
Species Helix deidamia Angas, 1869 (unaccepted, junior synonym)
Species Helix denatale L. Pfeiffer, 1856 (unaccepted, original combination)
Species Helix denotata Férussac, 1823 (unaccepted, original combination)
Species Helix dentata W. Wood, 1828 (unaccepted, original combination)
Species Helix denudata Reuss in Reuss & Meyer, 1849 † (unaccepted, new combination)
Species Helix depressa Montagu, 1803 (unaccepted, synonym)
Species Helix destituta L. Pfeiffer, 1853 (unaccepted, junior synonym)
Species Helix dictyodes L. Pfeiffer, 1847 (unaccepted, original combination)
Species Helix dictyonina Euthyme, 1885 (unaccepted)
Species Helix diemenensis Cox, 1868 (unaccepted, original combination)
Species Helix dimorpha Pfeiffer, 1852 (unaccepted)
Species Helix diodontina Heude, 1885 (unaccepted, original combination)
Species Helix dioscoricola C. B. Adams, 1845 (unaccepted, original combination)
Species Helix discerpta Deshayes, 1863 † (unaccepted, new combination)
Species Helix discus Thomä, 1845 † (unaccepted, new combination)
Species Helix dissimilis d'Orbigny, 1835 (unaccepted)
Species Helix distans Pease, 1866 (unaccepted, original combination)
Species Helix distincta L. Pfeiffer, 1850 (unaccepted, original combination)
Species Helix doliolum L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix drepanensis L. Pfeiffer, 1857 (unaccepted, original combination)
Species Helix drouetii De Boissy, 1840 † (unaccepted, new combination)
Species Helix dumasi De Boissy, 1848 † (unaccepted, new combination)
Species Helix dumeticola Benson, 1851 (unaccepted, original combination)
Species Helix dunniae Gray, 1840 (unaccepted)
Species Helix duplocincta Martens, 1879 (unaccepted, original combination)
Species Helix durbani F.E. Edwards, 1852 † (unaccepted, new combination)
Species Helix durieui L. Pfeiffer, 1848 (unaccepted, original combination)
Species Helix durvillii Hombron & Jacquinot, 1841 (unaccepted, original combination)
Species Helix dyeri Petterd, 1879 (unaccepted)
Species Helix eburnea Megerle von Mühlfeld, 1824 (unaccepted)
Species Helix edwardsi Cox, 1868 (unaccepted, invalid: junior homonym of Helix edwardsi Bland, 1858; H. meadei is a replacement name)
Species Helix edwardsi Deshayes, 1863 † (unaccepted, new combination; junior homonym of Helix edwardsi Bland, 1858)
Species Helix egesta Gray, 1850 (unaccepted)
Species Helix ehingensis Klein, 1846 † (unaccepted, new combination)
Species Helix elderi Bednall, 1892 (unaccepted, original combination)
Species Helix elegans Gmelin, 1791 (unaccepted, original combination)
Species Helix endoptycha Martens, 1864 (unaccepted, original combination)
Species Helix erdelii Roth, 1839 (unaccepted, junior synonym)
Species Helix estella d'Orbigny, 1835 (unaccepted, original combination)
Species Helix eugenia L. Pfeiffer, 1853 (unaccepted, original combination)
Species Helix euglypha Reuss in Reuss & Meyer, 1849 † (unaccepted, new combination)
Species Helix eustoma L. Pfeiffer, 1856 (unaccepted, original combination)
Species Helix eutropis L. Pfeiffer, 1861 (unaccepted, original combination)
Species Helix eva Reeve, 1853 (unaccepted, original combination)
Species Helix evanstonensis White, 1878 † (unaccepted, new combination)
Species Helix eversa Deshayes in Férussac & Deshayes, 1851 † (unaccepted, junior synonym)
Species Helix expansilabris F. Sandberger, 1858 † (unaccepted, new combination)
Species Helix faba Gmelin, 1791 (unaccepted, original combination)
Species Helix fabrefactus Pease, 1865 (unaccepted, original combination)
Species Helix farquhari Melvill & Ponsonby, 1892 (unaccepted, original combination)
Species Helix fasciata J. Adams, 1800 (unaccepted, synonym)
Species Helix fasciolata Spix in Wagner, 1827 (unaccepted)
Species Helix fatigata Cox, 1873 (unaccepted, original combination)
Species Helix fatua sensu Hutton, 1882 not Pfeiffer, 1857 (unaccepted)
Species Helix ficta Pease, 1865 (unaccepted, original combination)
Species Helix fidelis J.E. Gray, 1834 (unaccepted, new combination)
Species Helix filholi Bourguignat, 1874 † (unaccepted, new combination)
Species Helix filia Mousson, 1861 (unaccepted, original combination)
Species Helix filicina L. Pfeiffer, 1841 (unaccepted, original combination)
Species Helix fimbriata Bourguignat, 1852 (unaccepted, original combination)
Species Helix flavida Rossmässler, 1839 (unaccepted, junior synonym)
Species Helix flavocincta Megerle von Mühlfeld, 1829 (unaccepted)
Species Helix fleurati Bourguignat, 1868 (unaccepted, junior synonym)
Species Helix folliculum Schröter, 1784 (unaccepted, original combination)
Species Helix formosensis L. Pfeiffer, 1866 (unaccepted, original combination)
Species Helix fortis C. B. Adams, 1850 (unaccepted)
Species Helix fossaria Montagu, 1803 (unaccepted)
Species Helix fragilis Linnaeus, 1758 (unaccepted, original combination)
Species Helix frappieri Deshayes, 1863 (unaccepted, junior synonym)
Species Helix fraseri Gray in Griffith & Pidgeon, 1833 (unaccepted, original combination)
Species Helix fratercula Pease, 1867 (unaccepted, original combination)
Species Helix fricki L. Pfeiffer, 1858 (unaccepted, original combination)
Species Helix fruticum O.F. Müller, 1774 (unaccepted, original combination)
Species Helix fulgidus J. Adams, 1797 (unaccepted)
Species Helix fulica Férussac, 1821 (unaccepted, original combination)
Species Helix funebris Morelet, 1877 (unaccepted, original combination)
Species Helix fuscozonata Beddome, 1889 (unaccepted, original combination)
Species Helix gargantua A. Férussac, 1821 (unaccepted, original combination)
Species Helix gaspardiana Paladilhe, 1873 † (unaccepted, new combination)
Species Helix gassiesi L. Pfeiffer, 1861 (unaccepted, original combination)
Species Helix giengensis Klein, 1846 † (unaccepted, new combination)
Species Helix gigantea Scopoli, 1786 (unaccepted, original combination)
Species Helix glabrata Megerle von Mühlfeld, 1824 (unaccepted)
Species Helix glanvilliana Ancey, 1890 (unaccepted, original combination)
Species Helix glauca Linnaeus, 1758 (unaccepted, original combination)
Species Helix globulus O. F. Müller, 1774 (unaccepted, original combination)
Species Helix glockeri Quenstedt, 1884 † (unaccepted, new combination)
Species Helix godarti Michaud, 1855 † (unaccepted, new combination)
Species Helix goldfussii Thomä, 1845 † (unaccepted, new combination)
Species Helix graellsiana L. Pfeiffer, 1848 (unaccepted, original combination)
Species Helix granti L. Pfeiffer, 1866 (unaccepted, original combination)
Species Helix greenhilli Cox, 1866 (unaccepted, original combination)
Species Helix greenwoodi Gray, 1850 (unaccepted)
Species Helix grenvillei Brazier, 1876 (unaccepted, original combination)
Species Helix guarani d'Orbigny, 1835 (unaccepted)
Species Helix guiraoana L. Pfeiffer, 1853 (unaccepted, original combination)
Species Helix guttula Pfeiffer, 1853 (unaccepted, original combination)
Species Helix gyroides L. Pfeiffer, 1871 (unaccepted, junior synonym)
Species Helix haliotoidea Linnaeus, 1758 (unaccepted, original combination)
Species Helix hartvigiana L. Pfeiffer, 1861 (unaccepted, original combination)
Species Helix haruspica Dall, 1890 † (unaccepted, new combination)
Species Helix hayii Gray in Griffith & Pidgeon, 1833 (unaccepted, original combination)
Species Helix heberti Deshayes, 1863 † (unaccepted, new combination)
Species Helix hectori Suter, 1890 (unaccepted, original combination)
Species Helix heldreichi L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix helva Cox, 1870 (unaccepted, original combination)
Species Helix hemisphaerica Michaud, 1837 † (unaccepted, new combination)
Species Helix henschei L. Pfeiffer, 1867 (unaccepted, original combination)
Species Helix hepatizon Gould, 1845 (unaccepted, original combination)
Species Helix hermanni L. Pfeiffer, 1866 (unaccepted)
Species Helix hermione Angas, 1869 (unaccepted, original combination)
Species Helix hesperarche Cockerell, 1914 † (unaccepted, new combination)
Species Helix heynemanni L. Pfeiffer, 1862 (unaccepted, original combination)
Species Helix hierosolyma Mousson, 1854 (unaccepted, junior synonym)
Species Helix hierosolymitana Bourguignat, 1852 (unaccepted, junior synonym)
Species Helix hildagoiana Crosse, 1864 (unaccepted, junior synonym)
Species Helix hispida Linnaeus, 1758 (unaccepted, original combination)
Species Helix hispidula Lamarck, 1822 (unaccepted, new combination)
Species Helix hochstetteri L. Pfeiffer, 1862 (unaccepted)
Species Helix homalospira Morelet, 1883 (unaccepted, original combination)
Species Helix hookeri Reeve, 1854 (unaccepted, original combination)
Species Helix hortulana Thomä, 1845 † (unaccepted, new combination)
Species Helix hottentota Melvill & Ponsonby, 1891 (unaccepted, original combination)
Species Helix howeinsulae Cox, 1873 (unaccepted, original combination)
Species Helix huaheinensis L. Pfeiffer, 1853 (unaccepted, original combination)
Species Helix hubbardi A.D. Brown, 1861 (unaccepted, new combination)
Species Helix hubbardi A. D. Brown, 1861 (unaccepted, original combination)
Species Helix hudsoniae Benson, 1864 (unaccepted, original combination)
Species Helix hueensis Wattebled, 1886 (unaccepted, original combination)
Species Helix hugonis Pfeiffer, 1863 (unaccepted, original combination)
Species Helix humphreysiana I. Lea, 1841 (unaccepted, original combination)
Species Helix hungerfordiana Möllendorff, 1884 (unaccepted, original combination)
Species Helix hunteri Cox, 1872 (unaccepted, original combination)
Species Helix huttoni L. Pfeiffer, 1842 (unaccepted, original combination)
Species Helix hygrohylaea d'Orbigny, 1835 (unaccepted, original combination)
Species Helix hystricella L. Pfeiffer, 1859 (unaccepted, original combination)
Species Helix hystrix L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix ide Gray, 1850 (unaccepted)
Species Helix illyrica Stabile, 1864 (unaccepted, original combination)
Species Helix imperfecta Deshayes, 1863 (unaccepted, original combination)
Species Helix improbata Mousson, 1861 (unaccepted, junior synonym)
Species Helix inclara Morelet, 1889 (unaccepted, original combination)
Species Helix incrassata Klein, 1853 † (unaccepted, new combination)
Species Helix inequalis L. Pfeiffer, 1854 (unaccepted, original combination)
Species Helix infecta Reeve, 1852 (unaccepted)
Species Helix inflata Kobelt, 1876 (unaccepted, original combination)
Species Helix inflexa Zieten, 1832 † (unaccepted, new combination)
Species Helix infrendens Gould, 1843 (unaccepted, original combination)
Species Helix infudibulus Hombron & Jacquinot, 1841 (unaccepted, original combination)
Species Helix ingens C. B. Adams, 1850 (unaccepted)
Species Helix ingersollii Bland, 1875 (unaccepted, new combination)
Species Helix inops Morelet, 1889 (unaccepted, invalid; junior homonym of Helix inops Mousson, 1872)
Species Helix insignis Zieten, 1832 † (unaccepted, new combination)
Species Helix intercarinata Mighels, 1854 (unaccepted, junior synonym)
Species Helix intusplicata L. Pfeiffer, 1851 (unaccepted, original combination)
Species Helix invalida C. B. Adams, 1850 (unaccepted)
Species Helix inversus Müller, 1774 (unaccepted, original combination)
Species Helix involuta Thomä, 1845 † (unaccepted, new combination)
Species Helix involvulus O.F. Müller, 1774 (unaccepted, original combination)
Species Helix isilensis L. Pfeiffer, 1853 (unaccepted, original combination)
Species Helix jacksoniensis Gray, 1834 (unaccepted, original combination)
Species Helix jacquinoti L. Pfeiffer, 1849 (unaccepted, original combination)
Species Helix jamaicensis Gmelin, 1791 (unaccepted)
Species Helix jannellei Le Guillou, 1842 (unaccepted, original combination)
Species Helix janthina Forsskål, 1775 (unaccepted, junior synonym and homonym)
Species Helix janthina Linnaeus, 1758 (unaccepted, original combination)
Species Helix japonica L. Pfeiffer, 1847 (unaccepted, original combination)
Species Helix jebusitica Roth, 1855 (unaccepted, original combination)
Species Helix jenynsi L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix johnii Holten, 1802 (unaccepted, original combination)
Species Helix joossii Miller, 1907 † (unaccepted, new combination)
Species Helix joppensis Schmidt, 1855 (unaccepted, junior synonym)
Species Helix jourdani Michaud, 1862 † (unaccepted, new combination)
Species Helix jucunda L. Pfeiffer, 1863 (unaccepted, original combination)
Species Helix jugosa Mighels, 1845 (unaccepted, original combination)
Species Helix jungermanniae Petterd, 1879 (unaccepted)
Species Helix kanabensis White, 1876 † (unaccepted, new combination)
Species Helix kermadecensis E. A. Smith, 1873 (unaccepted)
Species Helix kermadeci L. Pfeiffer, 1856 (unaccepted)
Species Helix kershawi Petterd, 1879 (unaccepted, original combination)
Species Helix kleciachi L. Pfeiffer, 1871 (unaccepted, original combination)
Species Helix kleinii Klein, 1846 † (unaccepted, new combination)
Species Helix knysnaensis L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix kochi L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix kollari L. Pfeiffer, 1856 (unaccepted, original combination)
Species Helix kraussi L. Pfeiffer, 1846 (unaccepted)
Species Helix krynickii Krynicki, 1833 (unaccepted, original combination)
Species Helix labiosa Montagu, 1803 (unaccepted, synonym)
Species Helix labuanensis L. Pfeiffer, 1863 (unaccepted, original combination)
Species Helix lacertarum Bourguignat, 1863 (unaccepted, original combination)
Species Helix lacuna Montagu, 1803 (unaccepted, synonym)
Species Helix lacunosus d'Orbigny, 1835 (unaccepted, original combination)
Species Helix laeva O. F. Müller, 1774 (unaccepted, original combination)
Species Helix lamarckii Férussac, 1821 (unaccepted, superseded original combination)
Species Helix lamellosa Férussac, 1824 (unaccepted, original combination)
Species Helix laminata Pease, 1866 (unaccepted, original combination)
Species Helix lampas O. F. Müller, 1774 (unaccepted, original combination)
Species Helix langloisiana Bourguignat, 1853 (unaccepted, original combination)
Species Helix laomontana L. Pfeiffer, 1852 (unaccepted, original combination)
Species Helix lapicidella Thomä, 1845 † (unaccepted, junior synonym)
Species Helix lapicidites Boubée, 1831 † (unaccepted, new combination)
Species Helix lapidaria Thomä, 1845 † (unaccepted, new combination)
Species Helix latastei Letourneux in Letourneux & Bourguignat, 1887 (unaccepted, original combination)
Species Helix latasteopsis Letourneux & Bourguignat, 1887 (unaccepted, original combination)
Species Helix ledereri L. Pfeiffer, 1856 (unaccepted, original combination)
Species Helix leiophis Benson, 1860 (unaccepted, original combination)
Species Helix lenta Solander in Brander, 1766 † (unaccepted, new combination)
Species Helix lenticula Michaud, 1831 (unaccepted, new combination)
Species Helix leoberdorfensis Troll, 1907 † (unaccepted, original combination)
Species Helix lepida Reuss in Reuss & Meyer, 1849 † (unaccepted, new combination)
Species Helix lepidotricha A. Braun in Walchner, 1851 † (unaccepted, junior objective synonym; new combination)
Species Helix leptoloma A. Braun in Walchner, 1851 † (unaccepted, new combination)
Species Helix levicula Benson, 1859 (unaccepted, original combination)
Species Helix leymerieana Noulet, 1854 † (unaccepted, new combination)
Species Helix lienardiana Crosse, 1864 (unaccepted, junior synonym)
Species Helix lindstedti Pfeiffer, 1856 (unaccepted, original combination)
Species Helix lisbonensis L. Pfeiffer, 1846 (unaccepted, junior synonym)
Species Helix lithophaga Conrad, 1852 (unaccepted, original combination)
Species Helix littorina Delle Chiaje, 1828 (unaccepted, original combination)
Species Helix liturata L. Pfeiffer, 1853 (unaccepted, original combination)
Species Helix lituus Lesson, 1831 (unaccepted, original combination)
Species Helix lottah Petterd, 1879 (unaccepted, original combination)
Species Helix loveni F. Krauss, 1848 (unaccepted, original combination)
Species Helix lubrica O. F. Müller, 1774 (unaccepted)
Species Helix lucana O. F. Müller, 1774 (unaccepted, original combination)
Species Helix lucani Tournouër, 1866 † (unaccepted, new combination)
Species Helix ludovici Noulet, 1854 † (unaccepted, new combination)
Species Helix luedersi L. Pfeiffer, 1855 (unaccepted, original combination)
Species Helix luna Michaud, 1837 † (unaccepted, new combination)
Species Helix lusitanica L. Pfeiffer, 1841 (unaccepted, original combination)
Species Helix lyndi Angas, 1872 (unaccepted)
Species Helix Mac andrewiana L. Pfeiffer, 1853 (unaccepted, original combination)
Species Helix macrocheila Reuss in Reuss & Meyer, 1849 † (unaccepted, new combination)
Species Helix macropleuris Benson, 1859 (unaccepted, original combination)
Species Helix magnilabiata Sacco, 1884 † (unaccepted, new combination)
Species Helix maguntina Deshayes, 1832 † (unaccepted, new combination)
Species Helix malantensis Angas, 1876 (unaccepted, original combination)
Species Helix malziana L. Pfeiffer, 1861 (unaccepted, original combination)
Species Helix mandarina Gray, 1839 (unaccepted)
Species Helix margarita Montagu, 1808 (unaccepted, synonym)
Species Helix mariei Crosse, 1867 (unaccepted, original combination)
Species Helix marmorella L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix masadae Tristram, 1865 (unaccepted, junior synonym)
Species Helix massylaea Morelet, 1851 (unaccepted, original combination)
Species Helix mathiusii d'Orbigny, 1835 (unaccepted)
Species Helix mattiaca Steininger, 1835 † (unaccepted, new combination)
Species Helix matura L. Pfeiffer, 1855 (unaccepted, original combination)
Species Helix megei Lambert, 1873 (unaccepted, original combination)
Species Helix meleagris L. Pfeiffer, 1855 (unaccepted, original combination)
Species Helix mellea L. Pfeiffer, 1866 (unaccepted, original combination)
Species Helix membranicosta L. Pfeiffer, 1854 (unaccepted, original combination)
Species Helix menardi Brongniart, 1810 † (unaccepted, new combination)
Species Helix mendana Angas, 1867 (unaccepted, junior synonym)
Species Helix mendax Martens, 1864 (unaccepted, original combination)
Species Helix menkeana L. Pfeiffer, 1842 (unaccepted, original combination)
Species Helix merarcha Mabille 1888 (unaccepted, original combination)
Species Helix mercatorina Mabille 1887 (unaccepted, junior synonym)
Species Helix merziana L. Pfeiffer, 1852 (unaccepted, original combination)
Species Helix mespillum Megerle von Mühlfeld, 1824 (unaccepted, basionym)
Species Helix meta L. Pfeiffer, 1856 (unaccepted, original combination)
Species Helix mica Morelet, 1879 (unaccepted, original combination)
Species Helix microdonta Deshayes, 1832 (unaccepted, junior synonym)
Species Helix microscopica F. Krauss, 1848 (unaccepted, original combination)
Species Helix microundulata Suter, 1890 (unaccepted, original combination)
Species Helix miguelinus L. Pfeiffer, 1856 (unaccepted, original combination)
Species Helix miliaris Morelet, 1888 (unaccepted)
Species Helix militaris L. Pfeiffer, 1855 (unaccepted, junior synonym)
Species Helix mimosa Petterd, 1879 (unaccepted, original combination)
Species Helix minutissima I. Lea, 1841 (unaccepted, original combination)
Species Helix miser Cox, 1873 (unaccepted, junior synonym)
Species Helix modesta L. Pfeiffer, 1848 (unaccepted, junior synonym)
Species Helix modicella Deshayes, 1840 (unaccepted, original combination)
Species Helix monilia Deshayes, 1863 † (unaccepted, new combination)
Species Helix monodon A. Férussac, 1807 (unaccepted, original combination)
Species Helix montrouzieri Souverbie, 1858 (unaccepted, original combination)
Species Helix montserratensis Hidalgo, 1870 (unaccepted, original combination)
Species Helix mora Gray in Griffith & Pidgeon, 1833 (unaccepted, original combination)
Species Helix morleti Dautzenberg & d’Hamonville, 1887 (unaccepted, original combination)
Species Helix moroguesi Brongniart, 1810 † (unaccepted, new combination)
Species Helix mortilleti L. Pfeiffer, 1859 (unaccepted, original combination)
Species Helix motacilla L. Pfeiffer, 1855 (unaccepted, original combination)
Species Helix mouensis Crosse, 1868 (unaccepted, original combination)
Species Helix mouhoti Reeve, 1860 (unaccepted, invalid: junior homonym of Helix mouhoti L. Pfeiffer, 1860; Helix cambojiensis is a replacement name)
Species Helix mozambicensis L. Pfeiffer, 1855 (unaccepted, original combination)
Species Helix mucronata Klein, 1846 † (unaccepted, junior synonym)
Species Helix multisulcata Gassies, 1857 (unaccepted, junior synonym)
Species Helix munda Benson, 1850 (unaccepted, invalid; junior homonym of Helix munda Adams, 1849)
Species Helix mutica Morelet, 1882 (unaccepted, original combination)
Species Helix myomphala Martens, 1865 (unaccepted, original combination)
Species Helix nana A. Braun in Walchner, 1851 † (unaccepted, new combination)
Species Helix narzanensis Krynicki, 1836 (unaccepted, original combination)
Species Helix nasuta Metcalfe, 1852 (unaccepted, original combination)
Species Helix natalensis L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix navariensis L. Pfeiffer, 1848 (unaccepted, junior synonym)
Species Helix nayliesi Michaud, 1855 † (unaccepted, new combination)
Species Helix nemoralis Linnaeus, 1758 (unaccepted, new combination)
Species Helix nemoralis O. F. Müller, 1774 (unaccepted, invalid: junior homonym of Helix nemoralis Linnaeus, 1758)
Species Helix nemoralites Boubée, 1831 † (unaccepted, original combination)
Species Helix neritina Gmelin, 1791 (unaccepted)
Species Helix neritoidea Linnaeus, 1758 (unaccepted, original combination)
Species Helix neritoidea Gmelin, 1791 (unaccepted, dubious synonym)
Species Helix neumayri Brusina, 1878 † (unaccepted, new combination)
Species Helix nigrilabris Martens, 1869 (unaccepted)
Species Helix nitefacta Bourguignat in Péchaud, 1883 (unaccepted, junior synonym)
Species Helix nitida O. F. Müller, 1774 (unaccepted)
Species Helix novaegeorgiensis Cox, 1870 (unaccepted, original combination)
Species Helix noverca L. Pfeiffer, 1853 (unaccepted, original combination)
Species Helix nucleus Gmelin, 1791 (unaccepted, original combination)
Species Helix nutans Megerle von Mühlfeld, 1824 (unaccepted)
Species Helix obeliscus Moricand, 1834 (unaccepted, original combination)
Species Helix obliquirugosa E.A. Smith, 1894 (unaccepted, original combination)
Species Helix obolus Gould, 1846 (unaccepted, original combination)
Species Helix obstructa L. Pfeiffer, 1842 (unaccepted, original combination)
Species Helix obvoluta O. F. Müller, 1774 (unaccepted, original combination)
Species Helix occlusa F.E. Edwards, 1852 † (unaccepted, new combination)
Species Helix oculuscommunis Gmelin, 1791 (unaccepted)
Species Helix oglei Godwin-Austen, 1879 (unaccepted, original combination)
Species Helix olympica Roth, 1855 (unaccepted, original combination)
Species Helix omphalion Benson, 1864 (unaccepted, synonym)
Species Helix oparica Anton, 1839 (unaccepted, original combination)
Species Helix orbicula Hutton, 1838 (unaccepted, homonym)
Species Helix orbicularis Klein, 1846 † (unaccepted, new combination)
Species Helix oreades d'Orbigny, 1835 (unaccepted, original combination)
Species Helix oresigena d'Orbigny, 1835 (unaccepted, original combination)
Species Helix osculum Thomä, 1845 † (unaccepted, new combination)
Species Helix otis W. Turton, 1819 (unaccepted, non Lightfoot, 1786)
Species Helix oxystoma Thomä, 1845 † (unaccepted, new combination)
Species Helix pachystoma Klein, 1853 † (unaccepted, junior homonym of H. pachystoma Hombron & Jacquinot, 1841; junior synonym)
Species Helix pachystyla L. Pfeiffer, 1845 (unaccepted, original combination)
Species Helix pachystyloides Cox, 1868 (unaccepted)
Species Helix paeteliana L. Pfeiffer, 1859 (unaccepted, original combination)
Species Helix paludicola Benson, 1850 (unaccepted, original combination)
Species Helix papyracea Mawe, 1823 (unaccepted, original combination)
Species Helix paradoxa Born, 1778 (unaccepted, original combination)
Species Helix parreyssi L. Pfeiffer, 1853 (unaccepted, junior synonym)
Species Helix parva L. Pfeiffer, 1848 (unaccepted, junior synonym)
Species Helix parvidens Pease, 1861 (unaccepted)
Species Helix patagonica d'Orbigny, 1835 (unaccepted, original combination)
Species Helix pellati Deshayes, 1863 † (unaccepted, new combination)
Species Helix pellisserpentis Gmelin, 1791 (unaccepted, original combination)
Species Helix pentadina d’Orbigny, 1835 (unaccepted, junior synonymy)
Species Helix perelegans Deshayes, 1863 † (unaccepted, new combination)
Species Helix perplicata Benson, 1851 (unaccepted, original combination)
Species Helix perrotteti Petit de la Saussaye, 1841 (unaccepted, original combination)
Species Helix perspicua Linnaeus, 1758 (unaccepted, original combination)
Species Helix perversa Linnaeus, 1758 (unaccepted, original combination)
Species Helix petersi Reuss in Reuss & Meyer, 1849 † (unaccepted, new combination)
Species Helix petraea Montagu, 1803 (unaccepted, synonym)
Species Helix petrobia Benson, 1851 (unaccepted, original combination)
Species Helix petronella L. Pfeiffer, 1853 (unaccepted, original combination)
Species Helix phacodes Thomä, 1845 † (unaccepted, new combination)
Species Helix phaseolina Deshayes in Férussac & Deshayes, 1851 † (unaccepted, new combination)
Species Helix philoscia Bourguignat, 1881 † (unaccepted, new combination)
Species Helix phytostylus Benson, 1864 (unaccepted, original combination)
Species Helix pilula Reeve, 1852 (unaccepted)
Species Helix pinacis Benson, 1859 (unaccepted, original combination)
Species Helix pinguis F. Krauss, 1848 (unaccepted, original combination)
Species Helix plagiostoma L.Pfeiffer, 1856 (unaccepted, original combination)
Species Helix planorbis Linnaeus, 1758 (unaccepted, new combination)
Species Helix planti L. Pfeiffer, 1855 (unaccepted, synonym)
Species Helix planulata Lamarck, 1822 (unaccepted, original combination)
Species Helix platae Maton, 1811 (unaccepted, original combination)
Species Helix platti L. Pfeiffer, 1855 (unaccepted, misspelling)
Species Helix plectostoma Benson, 1836 (unaccepted, original combination)
Species Helix pleuradra Bourguignat, 1881 † (unaccepted, new combination)
Species Helix plicaria Born, 1780 (unaccepted, original combination)
Species Helix plicatella Reuss in Reuss & Meyer, 1849 † (unaccepted, new combination)
Species Helix poecila d'Orbigny, 1835 (unaccepted, original combination)
Species Helix polygyrella Bland & J.G. Cooper, 1861 (unaccepted, new combination)
Species Helix polypleuris Blanford, 1865 (unaccepted, original combination)
Species Helix pomum L. Pfeiffer, 1842 (unaccepted)
Species Helix praecellens Naegele, 1901 (unaccepted, original combination)
Species Helix praetexta L. Pfeiffer, 1871 (unaccepted, junior synonym)
Species Helix prasinata Roth, 1855 (unaccepted, junior synonym)
Species Helix priamus Gmelin, 1791 (unaccepted, original combination)
Species Helix princei Liardet, 1876 (unaccepted, original combination)
Species Helix prionacis Benson, 1864 (unaccepted, original combination)
Species Helix propenuda C. B. Adams, 1850 (unaccepted)
Species Helix prophetarum Bourguignat, 1852 (unaccepted, original combination)
Species Helix pseudoglobosa d'Orbigny, 1850 † (unaccepted, new combination)
Species Helix pseudoleioda Suter, 1890 (unaccepted, original combination)
Species Helix pseudomeadei Bednall, 1876 (unaccepted)
Species Helix punctigera Thomä, 1845 † (unaccepted, new combination)
Species Helix punctum Morelet, 1851 (unaccepted, synonym)
Species Helix punica Morelet, 1851 (unaccepted, junior synonym)
Species Helix pura Alder, 1830 (unaccepted, new combination)
Species Helix purpurea Gmelin, 1791 (unaccepted, basionym)
Species Helix putris Linnaeus, 1758 (unaccepted)
Species Helix pycnia Bourguignat, 1860 (unaccepted, junior synonym)
Species Helix quadrifasciata de Serres, 1853 † (unaccepted, invalid: junior homonym of Helix quadrifasciata Le Guillou, 1842; Frechenia serresi is a replacement name)
Species Helix quimperiana Blainville, 1821 (unaccepted, original combination)
Species Helix radicidola Benson, 1848 (unaccepted, original combination)
Species Helix radiella L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix radiolata Morelet, 1882 (unaccepted, original combination)
Species Helix rahtii Thomä, 1845 † (unaccepted, original combination)
Species Helix ramondi Brongniart, 1810 † (unaccepted, new combination)
Species Helix ramsdeni Angas, 1876 (unaccepted, junior synonym)
Species Helix rapida L. Pfeiffer, 1853 (unaccepted, original combination)
Species Helix rara De Boissy, 1840 † (unaccepted, new combination)
Species Helix rariplicata L. Pfeiffer, 1849 (unaccepted, original combination)
Species Helix raymondi Saint-Simon, 1848 (unaccepted, original combination)
Species Helix redtenbacheri L. Pfeiffer, 1856 (unaccepted, original combination)
Species Helix reinae L. Pfeiffer, 1856 (unaccepted, original combination)
Species Helix retardata Cox, 1870 (unaccepted, original combination)
Species Helix retisculpta E. von Martens, 1889 (unaccepted, original combination)
Species Helix retunsa Pease, 1865 (unaccepted, original combination)
Species Helix rhizophorarum Gassies, 1865 (unaccepted, original combination)
Species Helix rhoda Angas, 1876 (unaccepted, original combination)
Species Helix riethmuelleri Tausch, 1886 † (unaccepted, new combination)
Species Helix rigaulti Deshayes, 1863 † (unaccepted, new combination)
Species Helix rivularis F. Krauss, 1848 (unaccepted, original combination)
Species Helix robusta Reuss in Reuss & Meyer, 1849 † (unaccepted, new combination)
Species Helix rosacea O. F. Müller, 1774 (unaccepted, original combination)
Species Helix rossmaessleri L. Pfeiffer, 1842 (unaccepted, original combination)
Species Helix rotatoria von dem Busch, 1842 (unaccepted, original combination)
Species Helix rothii L. Pfeiffer, 1841 (unaccepted, original combination)
Species Helix rubiginosa Gould, 1846 (unaccepted, junior synonym)
Species Helix rufolabris L. Pfeiffer, 1856 (unaccepted, junior synonym)
Species Helix rugata Pease, 1866 (unaccepted, original combination)
Species Helix rupestris Draparnaud, 1801 (unaccepted, original combination)
Species Helix rutilans L. Pfeiffer, 1848 (unaccepted, junior synonym)
Species Helix sabaea Charpentier, 1847 (unaccepted, junior synonym)
Species Helix sabuletorum Benson, 1851 (unaccepted, original combination)
Species Helix salaziensis Nevill, 1870 (unaccepted, junior synonym)
Species Helix salvini Tristram, 1863 (unaccepted, original combination)
Species Helix sannio Pfeiffer, 1854 (unaccepted, junior synonym)
Species Helix sativa L. Pfeiffer, 1848 (unaccepted, junior synonym)
Species Helix scabiosa F. Sandberger, 1875 † (unaccepted, new combination; rank changed)
Species Helix scabra Linnaeus, 1758 (unaccepted)
Species Helix scalarina Pfeiffer, 1851 (unaccepted)
Species Helix scandens Cox, 1872 (unaccepted, original combination)
Species Helix scarabaeus Linnaeus, 1758 (unaccepted, original combination)
Species Helix schaerfiae L. Pfeiffer, 1861 (unaccepted, original combination)
Species Helix schärfiae L. Pfeiffer, 1861 (unaccepted, incorrect original spelling)
Species Helix scherzeri Zelebor in L. Pfeiffer & Zelebor, 1867 (unaccepted, original combination)
Species Helix schlosseriana Brusina, 1874 † (unaccepted, new combination)
Species Helix schlumbergeri Morlet, 1886 (unaccepted, original combination)
Species Helix schombrii L. Pfeiffer, 1848 (unaccepted, junior synonym)
Species Helix sciamoica Bourguignat, 1881 † (unaccepted, synonym)
Species Helix scintilla R. T. Lowe, 1852 (unaccepted)
Species Helix sculptilis Pease, 1865 (unaccepted, invalid: junior homonym of Helix sculptilis Bland, 1858)
Species Helix scytodes L. Pfeiffer, 1854 (unaccepted, original combination)
Species Helix sebacea L. Pfeiffer, 1856 (unaccepted, junior synonym)
Species Helix seberti Marie, 1881 (unaccepted)
Species Helix seetzeni L. Pfeiffer, 1847 (unaccepted, original combination)
Species Helix semenovi Martens, 1864 (unaccepted, original combination)
Species Helix seminium Morelet, 1873 (unaccepted, original combination)
Species Helix semiplicata L. Pfeiffer, 1852 (unaccepted, junior synonym)
Species Helix septemspiralis Razoumowsky, 1789 (unaccepted, new combination)
Species Helix serena Cox, 1873 (unaccepted, original combination)
Species Helix serpuloides Montagu, 1808 (unaccepted)
Species Helix setigera Gould, 1844 (unaccepted, invalid: junior homonym of Helix setigera Sowerby, 1841)
Species Helix setubalensis L. Pfeiffer, 1850 (unaccepted, original combination)
Species Helix sexlamellata L. Pfeiffer, 1845 (unaccepted, original combination)
Species Helix shermani L. Pfeiffer, 1866 (unaccepted, original combination)
Species Helix silvana Klein, 1853 † (unaccepted, new combination)
Species Helix similaris Rang, 1831 (unaccepted, junior homonym)
Species Helix simulata Ehrenberg, 1831 (unaccepted, original combination)
Species Helix smimensis Mousson, 1849 (unaccepted)
Species Helix socia L. Pfeiffer, 1853 (unaccepted, junior synonym)
Species Helix solida Born, 1778 (unaccepted, original combination)
Species Helix solorensis Martens, 1863 (unaccepted, original combination)
Species Helix sophiae Reeve, 1854 (unaccepted, original combination)
Species Helix souleyetiana Petit de la Saussaye, 1841 (unaccepted, original combination)
Species Helix sparnacensis Deshayes, 1863 † (unaccepted, new combination)
Species Helix spheroidea Le Guillou, 1842 (unaccepted)
Species Helix spiriplana Olivier, 1801 (unaccepted, original combination)
Species Helix splendescens Cox, 1865 (unaccepted, original combination)
Species Helix sporadica d'Orbigny, 1835 (unaccepted, junior synonym)
Species Helix spratti L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix stagnalis Linnaeus, 1758 (unaccepted, original combination)
Species Helix stagnorum Gmelin, 1791 (unaccepted)
Species Helix steinheimensis Klein, 1846 † (unaccepted, junior synonym)
Species Helix stellula Gould, 1844 (unaccepted, original combination)
Species Helix stenospira Reuss in Reuss & Meyer, 1849 † (unaccepted, new combination)
Species Helix stenotrypta Sandberger, 1858 † (unaccepted, objective junior synonym: Helix lapidaria Thomä, 1845 is listed in synonymy, albeit being an available taxon; new combination)
Species Helix stipulata Reeve, 1852 (unaccepted)
Species Helix straminiformis Bourguignat, 1876 (unaccepted, junior synonym)
Species Helix strebeli L. Pfeiffer, 1862 (unaccepted, original combination)
Species Helix streptaxon Reeve, 1852 (unaccepted, basionym)
Species Helix stueri Cossmann, 1892 † (unaccepted, new combination)
Species Helix sturmiana L. Pfeiffer, 1853 (unaccepted, synonym)
Species Helix subangulosa Zieten, 1832 † (unaccepted, new combination)
Species Helix subcarinata Montagu, 1803 (unaccepted, original combination)
Species Helix subcarinata Wood, 1828 (unaccepted, invalid: junior homonym of Helix subcarinata Montagu, 1803)
Species Helix subcylindrica Linnaeus, 1767 (unaccepted)
Species Helix subglobosa Grateloup, 1828 † (unaccepted, new combination)
Species Helix subnitens Klein, 1853 † (unaccepted, new combination)
Species Helix subrogata L. Pfeiffer, 1853 (unaccepted, original combination)
Species Helix subrugata Reeve, 1852 (unaccepted, original combination)
Species Helix subsulcosa Thomä, 1845 † (unaccepted, new combination)
Species Helix subtilisticta Sandberger, 1875 † (unaccepted, new combination)
Species Helix sudensis L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix sulcosa L. Pfeiffer, 1854 (unaccepted, original combination)
Species Helix sulphurea C. B. Adams, 1849 (unaccepted, Synonym - Not available)
Species Helix superflua L. Pfeiffer, 1849 (unaccepted, original combination)
Species Helix supracostulata Schepman, 1892 (unaccepted, original combination)
Species Helix swinhoei L. Pfeiffer, 1866 (unaccepted, original combination)
Species Helix symmetrica Craven, 1881 (unaccepted, original combination)
Species Helix syrensis L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix tamarensis Petterd, 1879 (unaccepted, original combination)
Species Helix tarentina L. Pfeiffer, 1848 (unaccepted, original combination)
Species Helix tentaculata Linnaeus, 1758 (unaccepted, original combination)
Species Helix tenuicostata L. Pfeiffer, 1846 (unaccepted, junior synonym)
Species Helix terebellum O. F. Müller, 1774 (unaccepted)
Species Helix teresae Benoit, 1843 (unaccepted, junior synonym)
Species Helix thomaeana A. Braun in Walchner, 1851 † (unaccepted, new combination)
Species Helix tiara Mighels, 1845 (unaccepted, original combination)
Species Helix tollini Benson, 1856 (unaccepted, original combination)
Species Helix torallii d'Orbigny, 1835 (unaccepted, original combination)
Species Helix toukriana Bourguignat in Péchaud, 1883 (unaccepted, junior synonym)
Species Helix trigrammephora d'Orbigny, 1838 (unaccepted, original combination)
Species Helix trisinuata Martens, 1867 (unaccepted, original combination)
Species Helix tristis L. Pfeiffer, 1845 (unaccepted, junior synonym)
Species Helix trizona Rossmässler, 1834 (unaccepted, original combination)
Species Helix trochiformis L. Pfeiffer, 1842 (unaccepted, invalid: junior homonym of Helix trochiformis Montagu, 1803)
Species Helix trochus O. F. Müller, 1774 (unaccepted, original combination)
Species Helix tropifera F.E. Edwards, 1852 † (unaccepted, new combination)
Species Helix trotteriana Benson, 1848 (unaccepted, original combination)
Species Helix tunetana L. Pfeiffer, 1850 (unaccepted, original combination)
Species Helix tupacii d'Orbigny, 1835 (unaccepted, original combination)
Species Helix turonensis Deshayes, 1832 † (unaccepted, new combination)
Species Helix turricula Hombron & Jacquinot, 1852 (unaccepted, invalid: junior homonym of Helix turricula Lowe, 1833)
Species Helix uitenhagensis F. Krauss in L. Pfeiffer, 1846 (unaccepted, original combination)
Species Helix unguis d'Orbigny, 1836 (unaccepted, original coimbination)
Species Helix ungulina Linnaeus, 1758 (unaccepted, original combination)
Species Helix unidentata Holten, 1802 (unaccepted, original combination)
Species Helix uniplicata A. Braun in Walchner, 1851 † (unaccepted, new combination)
Species Helix urnula L. Pfeiffer, 1855 (unaccepted)
Species Helix urvillei Hombron & Jacquinot, 1847 (unaccepted, unjustified emendation)
Species Helix usambarica Craven, 1880 (unaccepted, original combination)
Species Helix valida C. B. Adams, 1850 (unaccepted)
Species Helix vanikorensis Quoy & Gaimard, 1832 (unaccepted, original combination)
Species Helix vargasiana L. Pfeiffer, 1849 (unaccepted, junior synonym)
Species Helix variabilis Megerle von Mühlfeld, 1824 (unaccepted)
Species Helix varica O. F. Müller, 1774 (unaccepted, original combination)
Species Helix vaysseti Marie, 1871 (unaccepted, original combination)
Species Helix ventricosa De Cristofori & Jan, 1832 (unaccepted, junior synonym)
Species Helix venulatus Pfeiffer, 1857 (unaccepted)
Species Helix vermiculata O.F. Müller, 1774 (unaccepted, new combination)
Species Helix vernicosa Krauss, 1848 (unaccepted, original combination)
Species Helix verticillata L. Pfeiffer, 1870 (unaccepted, original combination)
Species Helix verticilloides Thomä, 1845 † (unaccepted, new combination)
Species Helix vesconis Morelet, 1851 (unaccepted, original combination)
Species Helix vesta L. Pfeiffer, 1866 (unaccepted, original combination)
Species Helix vestalis L. Pfeiffer, 1841 (unaccepted, junior synonym)
Species Helix villae L. Pfeiffer, 1856 (unaccepted, junior synonym)
Species Helix vinitincta Cox, 1868 (unaccepted, original combination)
Species Helix viridescens Melvill & Ponsonby, 1891 (unaccepted)
Species Helix vitrea Born, 1778 (unaccepted, original combination)
Species Helix vitrinaformis Legrand, 1871 (unaccepted, junior synonym)
Species Helix vitrinoides Deshayes, 1831 (unaccepted, original combination)
Species Helix vivipara Linnaeus, 1758 (unaccepted, original combination)
Species Helix volutella Gassies, 1858 (unaccepted, invalid: junior homonym of Helix volutella L. Pfeiffer, 1856)
Species Helix volutella L. Pfeiffer, 1856 (unaccepted, original combination)
Species Helix volvulus O. F. Müller, 1774 (unaccepted, original combination)
Species Helix vortex Linnaeus, 1758 (unaccepted, original combination)
Species Helix vorticalis Benson, 1850 (unaccepted, original combination)
Species Helix votiophila Bourguignat, 1881 † (unaccepted, synonym)
Species Helix wairarapa Suter, 1890 (unaccepted, original combination)
Species Helix welebitana L. Pfeiffer, 1847 (unaccepted, original combination)
Species Helix welwitschi Morelet, 1866 (unaccepted, original combination)
Species Helix winteriana Pfeiffer, 1842 (unaccepted, original combination)
Species Helix xanthochila L. Pfeiffer, 1861 (unaccepted, original combination)
Species Helix xiphias L. Pfeiffer, 1856 (unaccepted, original combination)
Species Helix yleobia Bourguignat, 1883 (unaccepted, junior synonym)
Species Helix zanguebarica Craven, 1880 (unaccepted, synonym)
Species Helix zelandiae Gray, 1843 (unaccepted)
Species Helix zelebori L. Pfeiffer, 1853 (unaccepted, original combination)
Species Helix zellii Kurr, 1856 † (unaccepted, junior synonym)
Species Helix zenobia L. Pfeiffer, 1863 (unaccepted, original combination)
Species Helix zippei Reuss in Reuss & Meyer, 1849 † (unaccepted, new combination)
Species Helix zonella L. Pfeiffer, 1865 (unaccepted, original combination)
marine, brackish, fresh, terrestrial
Linnaeus, C. (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Editio decima, reformata. Laurentius Salvius: Holmiae. ii, 824 pp., available online at http://www.biodiversitylibrary.org/item/10277#page/3/mode/1up [details]   
MolluscaBase (2018). Helix Linnaeus, 1758. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=153970 on 2018-08-17
Date
action
by
2005-04-16 10:28:02Z
created
2011-04-13 19:02:27Z
checked
2013-08-25 14:19:53Z
changed
2017-01-12 08:06:05Z
changed
2017-04-25 07:58:35Z
changed
2017-06-15 07:03:19Z
changed

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


original description Linnaeus, C. (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Editio decima, reformata. Laurentius Salvius: Holmiae. ii, 824 pp., available online at http://www.biodiversitylibrary.org/item/10277#page/3/mode/1up [details]   

additional source Korábek, O., Petrusek, A., Neubert, E. & Juřičková, L. (2015). Molecular phylogeny of the genusHelix(Pulmonata: Helicidae). Zoologica Scripta. 44(3): 263-280., available online at https://doi.org/10.1111/zsc.12101 [details]  Available for editors  PDF available [request] 

additional source Neubert, E. (2014). Revision of Helix Linnaeus, 1758 in its eastern Mediterranean distribution area, and reassignment of Helix godetiana Kobelt, 1878 to Maltzanella Hesse, 1917 (Gastropoda, Pulmonata, Helicidae). Contributions to Natural History, 26: 1-200. Bern [5 December]. [details]  Available for editors  PDF available [request] 

basis of record  (ofGlischrus S. Studer, 1820) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofHelix (Helix) Linnaeus, 1758) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofHelix (Pelasga) P. Hesse, 1908) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofCallunea Scudder, 1882) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofCochlea Da Costa, 1778) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofCoenatoria Held, 1838) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofCunula Pallary, 1936) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofHelicogena A. Férussac, 1821) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofMegastoma Scudder, 1882) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofNaegelea P. Hesse, 1918) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofPachyphallus P. Hesse, 1918) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofPhysospira C.R. Boettger, 1914) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofPomatia Beck, 1837) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofPomatiana Fagot, 1903) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofPomatiella Pallary, 1909) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofPseudofigulina P. Hesse, 1917) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofRhododerma P. Hesse, 1918) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

basis of record  (ofTammouzia Pallary, 1939) Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]  OpenAccess publication 

subsequent type designation  (ofPentataenia A. Schmidt, 1855) Bouchet P., Rocroi J.P., Hausdorf B., Kaim A., Kano Y., Nützel A., Parkhaev P., Schrödl M. & Strong E.E. (2017). Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia. 61(1-2): 1-526.
note: type species fixation [details]  Available for editors  PDF available [request]