• Helix (uncertain) [Family: Cheilostomatida (awaiting allocation)]
• Helix Férussac, 1821 accepted as Helix Linnaeus, 1758 [Family: Helicidae]
• Helix J. Mitchell, 1769 (uncertain) [Family: Vitaceae]
• Helix Linnaeus, 1758 [Family: Helicidae]
• Helix acuta Müller, 1774
• Helix agnewi Legrand, 1871 accepted as Roblinella agnewi (Legrand, 1871)
• Helix albanensis Cox, 1868 accepted as Pernagera albanensis (Cox, 1868)
• Helix albumenoidea Cox, 1868 accepted as Echonitor albumenoidea (Cox, 1868)
• Helix alexandrae Cox, 1864
• Helix alliaria Miller, 1822
• Helix allporti Legrand, 1871 accepted as Mulathena fordei (Brazier, 1871)
• Helix amarula Linnaeus, 1758 accepted as Thiara amarula (Linnaeus, 1758)
• Helix ammonitoides Brazier, 1871 accepted as Discocharopa vigens (Legrand, 1871)
• Helix ammonitoides Reeve, 1854 accepted as Nautiliropa omicron (Pfeiffer, 1851)
• Helix andersoni Cox, 1872 accepted as Sphaerospira volgiola (Iredale, 1933)
• Helix angasiana Pfeiffer, 1862 accepted as Sinumelon godfreyi Iredale, 1933
• Helix antialba Petterd, 1879 accepted as Geminoropa hookeriana Petterd, 1879
• Helix aperta Born, 1778
• Helix appendiculata Reeve, 1854 accepted as Sphaerospira appendiculata (Reeve, 1854)
• Helix arboreus Say, 1817
• Helix architectonica Legrand, 1871 accepted as Pernagera kingstonensis (Legrand, 1871)
• Helix arenicola Tate, 1878 accepted as Paralaoma caputspinulae (Reeve, 1851)
• Helix aridorum Cox, 1866 accepted as Neveritis aridorum (Cox, 1866)
• Helix armillata Lowe, 1852
• Helix arthuriana Cox, 1873 accepted as Sphaerospira arthuriana (Cox, 1873)
• Helix aspersa Muller, 1774
• Helix assimilans Cox, 1864 accepted as Strangesta bullacea (Reeve, 1854)
• Helix assimilis Legrand, 1871 accepted as Pernagera kingstonensis (Legrand, 1871)
• Helix atkinsoni Legrand, 1871 accepted as Thryasona diemenensis (Cox, 1868)
• Helix aureedensis Brazier, 1872 accepted as Sphaerospira incei (Philippi, 1846)
• Helix australis Férussac, 1821
• Helix austrinus Legrand, 1871 accepted as Mulathena fordei (Brazier, 1871)
• Helix bala Brazier, 1878 accepted as Sphaerospira bala (Brazier, 1878)
• Helix balli Brazier, 1889 accepted as Pseudocharopa whiteleggei (Brazier, 1889)
• Helix balmei Potiez & Michaud, 1838 accepted as Pleurodiscus balmei (Potiez & Michaud, 1838)
• Helix banneri Pfeiffer, 1863 accepted as Chloritisanax banneri (Pfeiffer, 1863)
• Helix barbara Linnaeus, 1758
• Helix barnardensis Brazier, 1876 accepted as Sodaleta russelli (Brazier, 1875)
• Helix barneyi Cox, 1873 accepted as Hadra barneyi (Cox, 1873)
• Helix barrenensis Petterd, 1879 accepted as Letomola barrenensis (Petterd, 1879)
• Helix basalis Pilsbry, 1890 accepted as Sphaerospira yulei (Forbes, 1851)
• Helix basiodon Morelet, 1866 accepted as Fanulena insculpta (Pfeiffer, 1846)
• Helix bassi Legrand, 1871 accepted as Discocharopa vigens (Legrand, 1871)
• Helix bathurstensis Smith, 1894 accepted as Torresitrachia bathurstensis (Smith, 1894)
• Helix baudinensis Smith, 1893 accepted as Baudinella baudinensis (Smith, 1893)
• Helix bayensis Brazier, 1875 accepted as Sphaerospira bayensis (Brazier, 1875)
• Helix bebias Brazier, 1878 accepted as Sphaerospira cookensis (Brazier, 1875)
• Helix beddomae Brazier, 1878 accepted as Gnarosophia bellendenkerensis (Brazier, 1875)
• Helix beddomei Brazier, 1876 accepted as Strangesta franklandiensis (Forbes, 1851)
• Helix bednalli Brazier, 1872 accepted as Cupedora bednalli (Brazier, 1872)
• Helix bellendenkerensis Brazier, 1875 accepted as Gnarosophia bellendenkerensis (Brazier, 1875)
• Helix bellengerensis Cox, 1871 accepted as Austrochloritis bellengerensis (Cox, 1871)
• Helix belli Cox, 1864 accepted as Allocharopa belli (Cox, 1864)
• Helix bellingenensis Brazier, 1871 accepted as Austrochloritis bellengerensis (Cox, 1871)
• Helix bennetti Brazier, 1872 accepted as Meridolum bennetti (Brazier, 1872)
• Helix bidwilli Reeve, 1853 accepted as Papuexul bidwilli (Reeve, 1853)
• Helix bipartita Férussac, 1823 accepted as Hadra bipartita (Férussac, 1823)
• Helix bischoffensis Petterd, 1879 accepted as Bischoffena bischoffensis (Petterd, 1879)
• Helix bitaeniata Cox, 1868 accepted as Sinumelon bitaeniata (Cox, 1868)
• Helix blackalli Brazier, 1875 accepted as Gloreugenia blackalli (Brazier, 1875)
• Helix blackmani Cox, 1868 accepted as Calvigenia blackmani (Cox, 1868)
• Helix blomfieldi Cox, 1864 accepted as Sphaerospira blomfieldi (Cox, 1864)
• Helix bombycina Reeve, 1854 accepted as Tasmaphena sinclairi (Pfeiffer, 1846)
• Helix bordaensis Angas, 1880 accepted as Glyptorhagada bordaensis (Angas, 1880)
• Helix bourkensis Smith, 1891 accepted as Galadistes bourkensis (Smith, 1891)
• Helix brazieri Cox, 1868 accepted as Allocharopa brazieri (Cox, 1868)
• Helix brevipila Pfeiffer, 1849 accepted as Austrochloritis brevipila (Pfeiffer, 1849)
• Helix broughami Angas, 1875 accepted as Cupedora broughami (Angas, 1875)
• Helix brunonia Johnston, 1888 accepted as Austrochloritis victoriae (Cox, 1868)
• Helix bulimus King, 1826 accepted as Bothriembryon kingii (Gray, 1825)
• Helix bullacea Reeve, 1854 accepted as Strangesta bullacea (Reeve, 1854)
• Helix burnerensis Smith, 1894 accepted as Amplirhagada burnerensis (Smith, 1894)
• Helix buttoni Petterd, 1879 accepted as Helicarion cuvieri Férussac, 1821
• Helix buxtoni Brazier, 1880 accepted as Austrochloritis buxtoni (Brazier, 1880)
• Helix cailleti Crosse, 1864 accepted as Meridolum gulosa (Gould, 1846)
• Helix calculosa Gould, 1852 accepted as Coneuplecta calculosa (Gould, 1852)
• Helix camillae Legrand, 1871 accepted as Thryasona diemenensis (Cox, 1868)
• Helix campbellii Gray, 1834 accepted as Advena campbellii (Gray, 1834)
• Helix capillacea Férussac, 1832 accepted as Austrorhytida capillacea (Férussac, 1832)
• Helix capucinus Férussac, 1835 accepted as Sphaerospira fraseri (Griffith & Pidgeon, 1833)
• Helix caputspinulae Reeve, 1851 accepted as Paralaoma caputspinulae (Reeve, 1851)
• Helix carcharias Pfeiffer, 1864 accepted as Plectorhagada carcharias (Pfeiffer, 1864)
• Helix cassandra Pfeiffer, 1864 accepted as Cupedora cassandra (Pfeiffer, 1864)
• Helix catletti Brazier, 1872 accepted as Innesoconcha catletti (Brazier, 1872)
• Helix cellaria Müller, 1774
• Helix cerata Cox, 1868 accepted as Sphaerospira coxi (Crosse, 1866)
• Helix cerea Cox, 1864 accepted as Sphaerospira coxi (Crosse, 1866)
• Helix cerpilium Draparnaud
• Helix challisi Cox, 1873 accepted as Sphaerospira challisi Cox, 1873
• Helix cimex Reeve, 1854
• Helix cinta
• Helix circumcincta Cox, 1868 accepted as Melocystis circumcincta (Cox, 1868)
• Helix clarencensis Cox, 1865 accepted as Nitor subrugata (Reeve, 1852)
• Helix coarctata Férussac, 1839 accepted as Sphaerospira fraseri (Griffith & Pidgeon, 1833)
• Helix cochlidium Cox, 1868 accepted as Egilomen cochlidium (Cox, 1868)
• Helix coepta Legrand, 1871 accepted as Stenacapha hamiltoni (Cox, 1868)
• Helix coesus Legrand, 1871 accepted as Pedicamista coesus (Legrand, 1871)
• Helix collingii Smith, 1893 accepted as Setobaudinia collingii (Smith, 1893)
• Helix collisi Brazier, 1877 accepted as Laomavix collisi (Brazier, 1877)
• Helix commoda Adams, 1868