1. Species Helix (Helicella) bicolor R. T. Lowe, 1831 accepted as Lemniscia michaudi (Deshayes, 1832) (homonym; non Helix bicolor J. Adams, 1800)
2. Species Helix (Helicella) bifrons R. T. Lowe, 1831 accepted as Janulus bifrons (R. T. Lowe, 1831) (original name)
3. Species Helix (Helicella) calva R. T. Lowe, 1831 accepted as Caseolus (Caseolus) calvus (R. T. Lowe, 1831) represented as Caseolus calvus (R. T. Lowe, 1831)
4. Species Helix (Helicella) candida Spix, 1827 accepted as Rectartemon candidus (Spix, 1827) (unaccepted > superseded combination)
5. Species Helix (Helicella) cheiranthicola R. T. Lowe, 1831 accepted as Discula cheiranthicola (R. T. Lowe, 1831) (original name)
6. Species Helix (Helicella) compacta R. T. Lowe, 1831 accepted as Caseolus innominatus compactus (R. T. Lowe, 1831) (original name)
7. Species Helix (Helicella) compar R. T. Lowe, 1831 accepted as Disculella compar (R. T. Lowe, 1831) (original name)
8. Species Helix (Helicella) consors R. T. Lowe, 1831 accepted as Caseolus consors (R. T. Lowe, 1831) (original name)
9. Species Helix (Helicella) dealbata R. T. Lowe, 1831 accepted as Caseolus hartungi (Albers, 1852) (name preoccupied; non Helix dealbata Say, 1821)
10. Species Helix (Helicella) depauperata R. T. Lowe, 1831 accepted as Spirorbula depauperata (R. T. Lowe, 1831) (original name)
11. Species Helix (Helicella) diaphanella Krynicki, 1836 accepted as Oxychilus diaphanellus (Krynicki, 1836) (original combination)
12. Species Helix (Helicella) diaphora Westerlund, 1896 accepted as Archaica apollinis (E. von Martens, 1882) (junior synonym)
13. Species Helix (Helicella) duplicata R. T. Lowe, 1831 accepted as Hystricella bicarinata bicarinata (G. B. Sowerby I, 1824) accepted as Hystricella bicarinata (G. B. Sowerby I, 1824) (junior synonym)
14. Species Helix (Helicella) echinulata R. T. Lowe, 1831 accepted as Hystricella echinulata (R. T. Lowe, 1831) (original name)
15. Species Helix (Helicella) exilis A. Férussac, 1821 accepted as Ariophanta bistrialis (H. Beck, 1837) accepted as Ariophanta exilis (O. F. Müller, 1774) (Invalid: junior homonym of Helix exilis O. F. Müller, 1774; Nanina bistrialis is a replacement name)
16. Species Helix (Helicella) filimargo Krynicki, 1833 accepted as Helicopsis filimargo (Krynicki, 1833) (unaccepted > superseded combination, basionym)
17. Species Helix (Helicella) fruticola Krynicki, 1833 accepted as Monacha fruticola (Krynicki, 1833) (unaccepted > superseded combination, basionym)
18. Species Helix (Helicella) glacialis A. Férussac, 1832 accepted as Delphinatia glacialis (A. Férussac, 1832) (unaccepted > superseded combination, basionym)
19. Species Helix (Helicella) heynemanni Kobelt, 1883 (unaccepted > unavailable name)
20. Species Helix (Helicella) lauta R. T. Lowe, 1831 accepted as Cernuella virgata (Da Costa, 1778) (junior synonym)
21. Species Helix (Helicella) lentiginosa R. T. Lowe, 1831 accepted as Actinella lentiginosa lentiginosa (R. T. Lowe, 1831) (original name)
22. Species Helix (Helicella) leptosticta R. T. Lowe, 1831 accepted as Caseolus leptostictus leptostictus (R. T. Lowe, 1831) (original name)
23. Species Helix (Helicella) lurida R. T. Lowe, 1831 accepted as Domunculifex littorinella (Mabille, 1883) (invalid: junior homonym of Helix lurida C. Pfeiffer, 1828)
24. Species Helix (Helicella) naxiana A. Férussac, 1832 accepted as Metafruticicola naxiana (A. Férussac, 1832) (unaccepted > superseded combination, basionym)
25. Species Helix (Helicella) obtecta R. T. Lowe, 1831 accepted as Spirorbula obtecta (R. T. Lowe, 1831) (original name)
26. Species Helix (Helicella) oxytropis R. T. Lowe, 1831 accepted as Wollastonaria oxytropis (R. T. Lowe, 1831)
27. Species Helix (Helicella) paupercula R. T. Lowe, 1831 accepted as Steenbergia paupercula (R. T. Lowe, 1831) (basionym)
28. Species Helix (Helicella) pellita A. Férussac, 1832 accepted as Metafruticicola pellita (A. Férussac, 1832) (unaccepted > superseded combination)
29. Species Helix (Helicella) pilosa Sandri & Kučik, 1846 accepted as Liburnica (Liburnica) setosa setosa (A. Férussac, 1832) represented as Liburnica setosa setosa (A. Férussac, 1832) (junior synonym)
30. Species Helix (Helicella) polymorpha R. T. Lowe, 1831 accepted as Discula polymorpha (R. T. Lowe, 1831) (original name)
31. Species Helix (Helicella) portosanctana G. B. Sowerby I, 1824 accepted as Pseudocampylaea portosanctanae (G. B. Sowerby I, 1824) (unaccepted > superseded combination)
32. Species Helix (Helicella) protensa A. Férussac, 1832 accepted as Eopolita protensa (A. Férussac, 1832) (unaccepted > superseded combination, basionym)
33. Species Helix (Helicella) punctulata G. B. Sowerby I, 1824 accepted as Helicomela punctulata (G. B. Sowerby I, 1824) (unaccepted > superseded combination, basionym)
34. Species Helix (Helicella) pusilla R. T. Lowe, 1831 accepted as Paralaoma servilis (Shuttleworth, 1852) (name preoccupied; not Helix pusilla Vallot, 1801 or J. Fleming, 1828)
35. Species Helix (Helicella) similaris A. Férussac, 1821 accepted as Bradybaena similaris (A. Férussac, 1822) (unaccepted > nomen nudum)
36. Species Helix (Helicella) subdentata A. Férussac, 1821 accepted as Theba subdentata (A. Férussac, 1821) (basionym)
37. Species Helix (Helicella) corticata H. Beck, 1838 (uncertain > unassessed)
38. Species Helix (Helicella) hieroglyphica H. Beck, 1838 (uncertain > unassessed)
39. Species Helix (Helicella) latilabris H. Beck, 1838 (uncertain > unassessed)
40. Species Helix (Helicella) moerkiana H. Beck, 1838 (uncertain > unassessed)
41. Species Helix (Helicella) moesta H. Beck, 1838 (uncertain > unassessed)
42. Species Helix (Helicella) rastellum H. Beck, 1838 (uncertain > unassessed)
43. Species Helix (Helicella) resplendens H. Beck, 1838 (uncertain > unassessed)
44. Species Helix (Helicella) semicostulata H. Beck, 1838 (uncertain > unassessed)
45. Species Helix (Helicella) thiaraeformis H. Beck, 1838 (uncertain > unassessed)

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