1. Species Kephyrion aestivum Skvortsov
2. Species Kephyrion amphorula Conrad, 1942
3. Species Kephyrion ampulla (Skuja) Bourrelly, 1957
4. Species Kephyrion annulatum De Graaf, 1955
5. Species Kephyrion asper (Lackey) Bourrelly
6. Species Kephyrion autumnale Skvortsov
7. Species Kephyrion bacilliforme Conrad, 1942
8. Species Kephyrion blatnense (Fott) Fott
9. Species Kephyrion boreale Skuja, 1956
10. Species Kephyrion brunneum Skvortsov
11. Species Kephyrion campanuliforme Conrad
12. Species Kephyrion cinctum (Lackey) Bourrelly
13. Species Kephyrion circumvallatum (Schiller) Bourrelly, 1957
14. Species Kephyrion cordatum (Hilliard) Starmach, 1980
15. Species Kephyrion crassum (Hilliard) Starmach
16. Species Kephyrion cupuliforme Conrad, 1930
17. Species Kephyrion densatum (Gerlinde Schmid) Bourrelly, 1957
18. Species Kephyrion doliolum Conrad, 1930
19. Species Kephyrion elegans (D.K.Hilliard) Starmach
20. Species Kephyrion francevii Guseva, 1936
21. Species Kephyrion globosum (Czosnowski) Bourrelly, 1957
22. Species Kephyrion hemisphaericum (Lackey) Conrad, 1939
23. Species Kephyrion impletum Nygaard, 1956
24. Species Kephyrion inconstans (Gerlinde Schmid) Bourrelly, 1957
25. Species Kephyrion limneticum (D.K.Hilliard) Starmach, 1980
26. Species Kephyrion littorale J.W.G.Lund, 1942
27. Species Kephyrion mastigophorum Gerlinde Schmid, 1934
28. Species Kephyrion moniliferum (Gerlinde Schmid) Bourrelly, 1957
29. Species Kephyrion mosquense Guseva, 1936
30. Species Kephyrion ovale (Lackey) Huber-Pestalozzi
31. Species Kephyrion ovum Pascher, 1913
32. Species Kephyrion petasatum Conrad, 1938
33. Species Kephyrion planktonicum Hilliard, 1967
34. Species Kephyrion prismaticum Conrad, 1942
35. Species Kephyrion productum (Hortobágyi) Starmach, 1980
36. Species Kephyrion rubri-claustri Conrad, 1939
37. Species Kephyrion schmidii Bourrelly, 1957
38. Species Kephyrion sitta Pascher, 1911
39. Species Kephyrion skujae Ettl, 1965
40. Species Kephyrion spinosum Hada, 1974
41. Species Kephyrion spirale (Lackey) Conrad, 1939
42. Species Kephyrion starmachii (Czosnowski) Bourrelly, 1957
43. Species Kephyrion translucens Fott
44. Species Kephyrion valkanovii Huber-Pestalozzi, 1941
45. Species Kephyrion velatum Conrad, 1942
46. Species Kephyrion tubiforme Fott, 1943 accepted as Stenokalyx tubiformis (Fott) Fott, 1959
47. Species Kephyrion formosissimum (Conrad) Fott (uncertain)
48. Species Kephyrion heverlense (W.Conrad) Fott, 1959 (uncertain)
49. Species Kephyrion hispidum Skvortsov (uncertain)
50. Species Kephyrion matvienkoi Skvortsov (uncertain)
51. Species Kephyrion ovoides (Conrad) Fott (uncertain)
52. Species Kephyrion parvulum (G.Schmid) Bourrelly, 1957 (uncertain)
53. Species Kephyrion poculum (Conrad) Fott (uncertain)
54. Species Kephyrion welshii (Juriš) Starmach (uncertain, uncertain taxonomic status subjected to verification)

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