1. Species Aplexa atava (C. A. White, 1877) †
2. Species Aplexa breviturrita Y.-T. Li, 1983 †
3. Species Aplexa canculae Pacaud, 2022 †
4. Species Aplexa cotiensis Pacaud, 2022 †
5. Species Aplexa delicata Y.-T. Li, 1984 †
6. Species Aplexa disjuncta (C. A. White, 1879) †
7. Species Aplexa dumonti (Briart & Cornet, 1887) †
8. Species Aplexa fusioidea Tolstikova, 1979 †
9. Species Aplexa fuxinensis X.-H. Yu, 1987 †
10. Species Aplexa galloprovincialis (Matheron, 1843) †
11. Species Aplexa gardanensis (Matheron, 1843) †
12. Species Aplexa gigantea (Michaud, 1837) †
13. Species Aplexa grasseti (Matheron, 1878) †
14. Species Aplexa heberti (Deshayes, 1863) †
15. Species Aplexa hypnorum (Linnaeus, 1758)
16. Species Aplexa iota Pacaud, 2022 †
17. Species Aplexa jaimei (Hermite, 1879) †
18. Species Aplexa kasekikabe Isaji, 2010 †
19. Species Aplexa lipasma Y.-T. Li, 1984 †
20. Species Aplexa lubrica W. Yü, 1965 †
21. Species Aplexa macerata L. S. Russell, 1937 †
22. Species Aplexa macilenta Y.-T. Li, 1983 †
23. Species Aplexa magna Y.-T. Li, 1984 †
24. Species Aplexa militaria Yen & Reeside, 1946 †
25. Species Aplexa montensis (Briart & Cornet, 1887) †
26. Species Aplexa morrisonana Yen & Reeside, 1946 †
27. Species Aplexa morrisoni MacNeil, 1939 †
28. Species Aplexa normalis Y.-T. Li, 1985 † (accepted > unreplaced junior homonym)
29. Species Aplexa oryza Pacaud, 2022 †
30. Species Aplexa panshanensis L.-S. Huang, 1987 †
31. Species Aplexa praelonga (Matheron, 1861) †
32. Species Aplexa preciosa Y.-T. Li, 1984 †
33. Species Aplexa primigenia (Deshayes, 1863) †
34. Species Aplexa prisca (Noulet, 1854) †
35. Species Aplexa pseudogigantea (F. Sandberger, 1870) †
36. Species Aplexa pulchella (A. d'Orbigny, 1850) †
37. Species Aplexa raris Y.-T. Li, 1984 †
38. Species Aplexa ricei L. S. Russell, 1957 †
39. Species Aplexa risleius Pacaud, 2022 †
40. Species Aplexa subelongata (Meek & Hayden, 1856) †
41. Species Aplexa subhypnorum Gottschick, 1920 †
42. Species Aplexa venezuelensis (E. von Martens, 1859)
43. Species Aplexa xichuanensis Y.-T. Li, 1983 †
44. Species Aplexa yangxiensis Y.-T. Li, 1987 †
45. Species Aplexa zhui Pacaud, 2022 †
46. Subgenus Aplexa (Amuraplexa) Starobogatov & Prozorova, 1989 accepted as Amuraplexa Starobogatov & Prozorova, 1989 (unaccepted > superseded rank)
    1. Species Aplexa (Amuraplexa) amurensis Starobogatov & Prozorova, 1989 accepted as Amuraplexa amurensis (Starobogatov & Prozorova, 1989) (basionym)
    2. Species Aplexa (Amuraplexa) aphallica Starobogatov & Zatravkin, 1989 accepted as Amuraplexa amurensis (Starobogatov & Prozorova, 1989)
    3. Species Aplexa (Amuraplexa) japonica Prozorova & Starobogatov, 1998 accepted as Amuraplexa japonica (Prozorova & Starobogatov, 1998) (unaccepted > superseded combination)
    4. Species Aplexa (Amuraplexa) moskvichevae Starobogatov & Zatravkin, 1989 accepted as Amuraplexa amurensis (Starobogatov & Prozorova, 1989) (a junior synonym)
    5. Species Aplexa (Amuraplexa) orientalis Starobogatov & Prozorova, 1989 accepted as Amuraplexa amurensis (Starobogatov & Prozorova, 1989)
47. Subgenus Aplexa (Paraplexa) Starobogatov, 1989 accepted as Paraplexa Starobogatov, 1989 (original rank)
48. Subgenus Aplexa (Stenophysa) E. von Martens, 1898 accepted as Stenophysa E. von Martens, 1898 (unaccepted combination)
    1. Species Aplexa (Stenophysa) orbignyi Mazé, 1883 accepted as Physella cubensis (L. Pfeiffer, 1839) accepted as Physella acuta (Draparnaud, 1805) (junior synonym)
    2. Species Aplexa (Stenophysa) sowerbyana (A. d'Orbigny, 1841) accepted as Stenophysa marmorata (Guilding, 1828) (junior synonym)
49. Species Aplexa adamsiana Tapparone Canefri, 1874 accepted as Glyptophysa novahollandica (Bowdich, 1822)
50. Species Aplexa amurensis Starobogatov & Prozorova, 1989 accepted as Amuraplexa amurensis (Starobogatov & Prozorova, 1989) (unaccepted > superseded combination)
51. Species Aplexa aurantia P. P. Carpenter, 1857 accepted as Mexinauta aurantius (P. P. Carpenter, 1857) (original combination)
52. Species Aplexa brevispirata (Cossmann & Pissarro, 1913) † accepted as Aplexa cotiensis Pacaud, 2022 † (unaccepted > junior homonym, junior homonym of Physa (Isodora) tchadiensis brevispirata Germain, 1905; Aplexa cotiensis Pacaud, 2022 is a replacement name)
53. Species Aplexa cylindrica Yen, 1935 † accepted as Pseudophysa cylindrica (Yen, 1935) † (unaccepted > superseded combination)
54. Species Aplexa grabaui Yen, 1935 † accepted as Pseudophysa grabaui (Yen, 1935) † (unaccepted > superseded combination)
55. Species Aplexa marmorata (Guilding, 1828) accepted as Stenophysa marmorata (Guilding, 1828) (unaccepted > superseded combination)
56. Species Aplexa microstriata Chamberlin & E. G. Berry, 1930 accepted as Utahphysa microstriata (Chamberlin & E. G. Berry, 1930) accepted as Physella gyrina (Say, 1821) (original combination)
57. Species Aplexa moskvichevae Starobogatov & Zatravkin, 1989 accepted as Amuraplexa amurensis (Starobogatov & Prozorova, 1989)
58. Species Aplexa orientalis Starobogatov & Prozorova, 1989 accepted as Amuraplexa amurensis (Starobogatov & Prozorova, 1989)
59. Species Aplexa ovicylindrica Youluo, 1978 † (unaccepted > unavailable name)
60. Species Aplexa princeps (Phillips, 1846) accepted as Mexinauta princeps (Phillips, 1846) (unaccepted combination)
61. Species Aplexa rivalis (Maton & Rackett, 1807) accepted as Physella acuta (Draparnaud, 1805) (junior synonym)
62. Species Aplexa robusta Eames, 1952 † accepted as Limacina robusta (Eames, 1952) † (original combination)
63. Species Aplexa tapanensis (Crosse & P. Fischer, 1882) accepted as Mayabina tapanensis (Crosse & P. Fischer, 1882) (unaccepted combination)
64. Species Aplexa turrita Tate, 1881 accepted as Glyptophysa novahollandica (Bowdich, 1822) (junior synonym)
65. Species Aplexa rubida Tate, 1882 (uncertain > taxon inquirendum)

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