1. Species Triptychia ampla K. Fischer & Wenz, 1916 †
2. Species Triptychia antiqua (Zieten, 1832) †
3. Species Triptychia antiquior (K. Miller, 1907) †
4. Species Triptychia bacillifera (F. Sandberger, 1875) †
5. Species Triptychia bavarica Wenz, 1934 †
6. Species Triptychia beaumonti (Haime, 1855) †
7. Species Triptychia boettgeri Lörenthey, 1906 †
8. Species Triptychia bourguignati (Locard, 1883) †
9. Species Triptychia catalanica H. Nordsieck, 2020 †
10. Species Triptychia chiae Almera & Bofill y Poch, 1892 †
11. Species Triptychia clava (F. Sandberger, 1875) †
12. Species Triptychia conoidea K. Fischer & Wenz, 1916 †
13. Species Triptychia densicostulata (F. Sandberger, 1871) †
14. Species Triptychia deshayesi (Bourguignat, 1877) †
15. Species Triptychia dolium Schnabel, 2006 †
16. Species Triptychia ederae H. Binder, 2004 †
17. Species Triptychia edwardsi H. Nordsieck, 1985 †
18. Species Triptychia emmerichi Wenz, 1912 †
19. Species Triptychia emyphila Sacco, 1886 †
20. Species Triptychia escheri (F. Sandberger, 1875) †
21. Species Triptychia fragilis Schnabel, 2006 †
22. Species Triptychia gaali Schnabel, 2006 †
23. Species Triptychia gebennica (Fontannes, 1884) †
24. Species Triptychia geisserti H. Nordsieck, 1974 †
25. Species Triptychia gracilis H. Binder, 2002 †
26. Species Triptychia gracilitesta K. Fischer & Wenz, 1916 †
27. Species Triptychia hassiaca (O. Boettger, 1877) †
28. Species Triptychia hungarica Halaváts, 1923 †
29. Species Triptychia kadolskyi Schnabel, 2007 †
30. Species Triptychia kleini Schnabel, 2006 †
31. Species Triptychia laaensis Schnabel, 2006 †
32. Species Triptychia lageti Truc, 1972 †
33. Species Triptychia lartetii (Dupuy, 1850) †
34. Species Triptychia leobersdorfensis (Troll, 1907) †
35. Species Triptychia limbata (F. Sandberger, 1875) †
36. Species Triptychia luegeri Schnabel, 2006 †
37. Species Triptychia lugdunensis Schnabel, 2006 †
38. Species Triptychia margaretae Andreae, 1904 †
39. Species Triptychia martinii Schnabel, 2007 †
40. Species Triptychia mastodontofila (Sismonda, 1852) †
41. Species Triptychia maxima (Grateloup, 1828) †
42. Species Triptychia mayeri H. Nordsieck, 1998 †
43. Species Triptychia mediterranea Käufel, 1928 †
44. Species Triptychia molassica (O. Boettger, 1877) †
45. Species Triptychia muelleri H. Nordsieck, 1984 †
46. Species Triptychia neudeggensis Schnabel, 2006 †
47. Species Triptychia nordsiecki Schnabel, 2006 †
48. Species Triptychia norica Schnabel, 2006 †
49. Species Triptychia obliquiplicata (F. Sandberger, 1875) †
50. Species Triptychia oligocaenica (K. Miller, 1907) †
51. Species Triptychia pachecoi (Thomas Doménech, 1954) †
52. Species Triptychia pappi Schnabel, 2006 †
53. Species Triptychia peneckei Schlosser, 1907 †
54. Species Triptychia procera Schnabel, 2006 †
55. Species Triptychia pulchra Schnabel, 2006 †
56. Species Triptychia randeckiana (Kranz, 1908) †
57. Species Triptychia recticosta (O. Boettger, 1877) †
58. Species Triptychia reinensis Schnabel, 2006 †
59. Species Triptychia rouxi (Noulet, 1868) †
60. Species Triptychia sarmatica Kókay, 2006 †
61. Species Triptychia schlickumi H. Nordsieck, 1972 †
62. Species Triptychia schuetti Schnabel, 2006 †
63. Species Triptychia schultzi Lueger, 1981 †
64. Species Triptychia solida Schnabel, 2006 †
65. Species Triptychia splendida Schnabel, 2006 †
66. Species Triptychia steinheimensis (Quenstedt, 1884) †
67. Species Triptychia steiningeri Schnabel, 2006 †
68. Species Triptychia styriaca Schnabel, 2006 †
69. Species Triptychia suevica (F. Sandberger, 1875) †
70. Species Triptychia szontaghi Schnabel, 2006 †
71. Species Triptychia terverii (Michaud, 1855) †
72. Species Triptychia teutonica Schnabel, 2006 †
73. Species Triptychia tomerdingensis Kadolsky, 2020 †
74. Species Triptychia ulmensis (F. Sandberger, 1875) †
75. Species Triptychia vulgata (Reuss, 1849) †
76. Species Triptychia weinsteigensis Schnabel, 2006 †
77. Species Triptychia wenzi Schnabel, 2006 †
78. Species Triptychia zoebeleini Schnabel, 2006 †
79. Subgenus Triptychia (Eutriptychia) O. Boettger, 1877 † accepted as Triptychia F. Sandberger, 1875 † (unaccepted > junior subjective synonym)
    1. Species Triptychia (Eutriptychia) ampla K. Fischer & Wenz, 1916 † accepted as Triptychia ampla K. Fischer & Wenz, 1916 † (subgenus is a junior synonym)
    2. Species Triptychia (Eutriptychia) conoidea K. Fischer & Wenz, 1916 † accepted as Triptychia conoidea K. Fischer & Wenz, 1916 † (subgenus is a junior synonym)
    3. Species Triptychia (Eutriptychia) emmerichi Wenz, 1912 † accepted as Triptychia emmerichi Wenz, 1912 † (subgenus is a junior synonym)
    4. Species Triptychia (Eutriptychia) gracilitesta K. Fischer & Wenz, 1916 † accepted as Triptychia gracilitesta K. Fischer & Wenz, 1916 † (subgenus is a junior synonym)
80. Subgenus Triptychia (Milneedwardsia) Bourguignat, 1877 † accepted as Triptychia F. Sandberger, 1875 † (unaccepted > junior subjective synonym)
    1. Species Triptychia (Milneedwardsia) lageti Truc, 1972 † accepted as Triptychia lageti Truc, 1972 † (unaccepted > superseded combination, Milneedwardsia is considered a junior synonym of Triptychia)
81. Subgenus Triptychia (Mioptychia) Wenz, 1920 † accepted as Milneedwardsia Bourguignat, 1877 † accepted as Triptychia F. Sandberger, 1875 † (unaccepted > junior objective synonym)
82. Subgenus Triptychia (Plioptychia) O. Boettger, 1877 † accepted as Triptychia F. Sandberger, 1875 † (unaccepted > junior subjective synonym)
    1. Species Triptychia (Plioptychia) neudeggensis Schnabel, 2006 † accepted as Triptychia neudeggensis Schnabel, 2006 † (subgenus is a junior synonym)
    2. Species Triptychia (Plioptychia) schlickumi H. Nordsieck, 1972 † accepted as Triptychia schlickumi H. Nordsieck, 1972 † (subgenus is a junior synonym)
    3. Species Triptychia (Plioptychia) schuetti Schnabel, 2006 † accepted as Triptychia schuetti Schnabel, 2006 † (subgenus is a junior synonym)
    4. Species Triptychia (Plioptychia) vulgata (Reuss, 1849) † accepted as Triptychia vulgata (Reuss, 1849) † (subgenus is a junior synonym)
83. Species Triptychia grandis (Klein, 1846) † accepted as Triptychia kleini Schnabel, 2006 † (unaccepted > junior homonym, junior homonym of Clausilia similis var. grandis Rossmässler, 1838; T. kleini is a replacement name)
84. Species Triptychia helvetica (F. Sandberger, 1875) † accepted as Triptychia mayeri H. Nordsieck, 1998 † (unaccepted > junior homonym, junior homonym of Clausilia helvetica Bourguignat, 1862; Triptychia mayeri is a replacement name)
85. Species Triptychia mastodontophila [sic] † accepted as Triptychia mastodontofila (Sismonda, 1852) † (unaccepted > misspelling - incorrect subsequent spelling)
86. Species Triptychia randeckensis [sic] † accepted as Triptychia randeckiana (Kranz, 1908) † (unaccepted > misspelling - incorrect subsequent spelling)
87. Species Triptychia sinistrorsa (de Serres, 1841) † accepted as Triptychia clava (F. Sandberger, 1875) † (junior homonym of Bulimus sinistrorsus Deshayes, 1839; synonym)
88. Species Triptychia suturalis (F. Sandberger, 1872) † accepted as Triptychia steinheimensis (Quenstedt, 1884) † (junior homonym of Clausilia suturalis Küster, 1861)
89. Species Triptychia terveri [sic] † accepted as Triptychia terverii (Michaud, 1855) † (unaccepted > misspelling - incorrect subsequent spelling)
90. Subgenus Triptychia (Triptychia) F. Sandberger, 1875 † represented as Triptychia F. Sandberger, 1875 †
    1. Species Triptychia (Triptychia) dolium Schnabel, 2006 † represented as Triptychia dolium Schnabel, 2006 †
    2. Species Triptychia (Triptychia) fragilis Schnabel, 2006 † represented as Triptychia fragilis Schnabel, 2006 †
    3. Species Triptychia (Triptychia) gaali Schnabel, 2006 † represented as Triptychia gaali Schnabel, 2006 †
    4. Species Triptychia (Triptychia) gracilis H. Binder, 2002 † represented as Triptychia gracilis H. Binder, 2002 †
    5. Species Triptychia (Triptychia) kadolskyi Schnabel, 2007 † represented as Triptychia kadolskyi Schnabel, 2007 †
    6. Species Triptychia (Triptychia) kleini Schnabel, 2006 † represented as Triptychia kleini Schnabel, 2006 †
    7. Species Triptychia (Triptychia) laaensis Schnabel, 2006 † represented as Triptychia laaensis Schnabel, 2006 †
    8. Species Triptychia (Triptychia) luegeri Schnabel, 2006 † represented as Triptychia luegeri Schnabel, 2006 †
    9. Species Triptychia (Triptychia) lugdunensis Schnabel, 2006 † represented as Triptychia lugdunensis Schnabel, 2006 †
    10. Species Triptychia (Triptychia) martinii Schnabel, 2007 † represented as Triptychia martinii Schnabel, 2007 †
    11. Species Triptychia (Triptychia) nordsiecki Schnabel, 2006 † represented as Triptychia nordsiecki Schnabel, 2006 †
    12. Species Triptychia (Triptychia) norica Schnabel, 2006 † represented as Triptychia norica Schnabel, 2006 †
    13. Species Triptychia (Triptychia) pappi Schnabel, 2006 † represented as Triptychia pappi Schnabel, 2006 †
    14. Species Triptychia (Triptychia) procera Schnabel, 2006 † represented as Triptychia procera Schnabel, 2006 †
    15. Species Triptychia (Triptychia) pulchra Schnabel, 2006 † represented as Triptychia pulchra Schnabel, 2006 †
    16. Species Triptychia (Triptychia) solida Schnabel, 2006 † represented as Triptychia solida Schnabel, 2006 †
    17. Species Triptychia (Triptychia) splendida Schnabel, 2006 † represented as Triptychia splendida Schnabel, 2006 †
    18. Species Triptychia (Triptychia) steiningeri Schnabel, 2006 † represented as Triptychia steiningeri Schnabel, 2006 †
    19. Species Triptychia (Triptychia) styriaca Schnabel, 2006 † represented as Triptychia styriaca Schnabel, 2006 †
    20. Species Triptychia (Triptychia) szontaghi Schnabel, 2006 † represented as Triptychia szontaghi Schnabel, 2006 †
    21. Species Triptychia (Triptychia) teutonica Schnabel, 2006 † represented as Triptychia teutonica Schnabel, 2006 †
    22. Species Triptychia (Triptychia) weinsteigensis Schnabel, 2006 † represented as Triptychia weinsteigensis Schnabel, 2006 †
    23. Species Triptychia (Triptychia) wenzi Schnabel, 2006 † represented as Triptychia wenzi Schnabel, 2006 †
    24. Species Triptychia (Triptychia) zoebeleini Schnabel, 2006 † represented as Triptychia zoebeleini Schnabel, 2006 †

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