1. Species Trochotoma acuminata J. A. Eudes-Deslongchamps, 1843 †
2. Species Trochotoma affinis J. A. Eudes-Deslongchamps, 1843 †
3. Species Trochotoma angulata (Münster, 1844) † (accepted > unreplaced junior homonym, junior homonym of Trochus angulatus J. De C. Sowerby, 1823)
4. Species Trochotoma auris Zittel, 1873 †
5. Species Trochotoma bicarinata (A. d'Orbigny, 1843) †
6. Species Trochotoma brocastellensis C. Moore, 1867 †
7. Species Trochotoma calix (J. Phillips, 1829) †
8. Species Trochotoma carpatica Kochanová, 1973 †
9. Species Trochotoma clypeus Terquem, 1855 †
10. Species Trochotoma conuloides J. A. Eudes-Deslongchamps, 1843 †
11. Species Trochotoma desoriana (Cotteau, 1854) †
12. Species Trochotoma discoidea (F. Roemer, 1836) †
13. Species Trochotoma distefanoi Fucini, 1913 †
14. Species Trochotoma extensa J. Morris & Lycett, 1851 †
15. Species Trochotoma fallax (Kittl, 1891) †
16. Species Trochotoma fistulata Sachariewa-Kowatschewa, 1962 †
17. Species Trochotoma frydai (Kiel & Bandel, 2000) †
18. Species Trochotoma funata Lycett, 1850 †
19. Species Trochotoma gabulongense Y.-T. Pan, 1978 †
20. Species Trochotoma gansuensis Tong & Erwin, 2001 †
21. Species Trochotoma gemmellaroi (Haber, 1934) †
22. Species Trochotoma gigantea Zittel, 1873 †
23. Species Trochotoma gradata (Gemmellaro, 1879) †
24. Species Trochotoma gradus J. A. Eudes-Deslongchamps, 1843 †
25. Species Trochotoma haueri M. Hörnes, 1853 †
26. Species Trochotoma hermitei Gemmellaro, 1879 †
27. Species Trochotoma hudlestoni (Rollier, 1918) †
28. Species Trochotoma imbricata Cossmann, 1885 †
29. Species Trochotoma infundibulum (Étallon, 1862) †
30. Species Trochotoma ingens (Rollier, 1918) †
31. Species Trochotoma lamberti de Loriol, 1893 †
32. Species Trochotoma lycetti C. Moore, 1867 †
33. Species Trochotoma magnifica Cossmann, 1885 †
34. Species Trochotoma mantochensis (Étallon, 1864) †
35. Species Trochotoma mastoidea (Étallon, 1861) †
36. Species Trochotoma maubertensis Terquem & Piette, 1865 †
37. Species Trochotoma meneghinii Gemmellaro, 1879 †
38. Species Trochotoma nucleus (Terquem, 1855) †
39. Species Trochotoma obtusa J. Morris & Lycett, 1851 †
40. Species Trochotoma orbita H.-Z. Pan, 1982 †
41. Species Trochotoma orientalis (Kiparisova, 1952) †
42. Species Trochotoma pachyspira E. Eudes-Deslongchamps, 1868 †
43. Species Trochotoma picteti Zittel, 1873 †
44. Species Trochotoma praecursor (Stoppani, 1861) †
45. Species Trochotoma protonotialis Ferrari, Damborenea, Manceñido & Griffin, 2015 †
46. Species Trochotoma putealis Cossmann, 1885 †
47. Species Trochotoma quenstedti (Rollier, 1918) †
48. Species Trochotoma ranvilliana (Rollier, 1918) †
49. Species Trochotoma rathieriana (A. d'Orbigny, 1850) †
50. Species Trochotoma scalaris (A. d'Orbigny, 1850) †
51. Species Trochotoma scansilis (Ammon, 1893) †
52. Species Trochotoma secans (Dubar, 1948) †
53. Species Trochotoma somertonensis (Rollier, 1918) †
54. Species Trochotoma striata (Zittel, 1873) † (accepted > unreplaced junior homonym, junior secondary homonym of Trochotoma striata Hörnes, 1853)
55. Species Trochotoma striata M. Hörnes, 1853 †
56. Species Trochotoma tabulata J. Morris & Lycett, 1851 †
57. Species Trochotoma tethys (A. d'Orbigny, 1850) †
58. Species Trochotoma trocheata (Terquem, 1855) †
59. Species Trochotoma trochoides (Gemmellaro, 1879) †
60. Species Trochotoma vetusta Terquem, 1855 †
61. Subgenus Trochotoma (Didymodon) P. Fischer, 1885 † accepted as Valfinia L. R. Cox, 1958 † (unaccepted > junior homonym, junior homonym of Didymodon Blake, 1863; Valfinia is a replacement name)
62. Subgenus Trochotoma (Discotoma) Wenz, 1938 † accepted as Placotoma Ferrari, Damborenea, Manceñido & Griffin, 2015 † (unaccepted > junior homonym, junior homonym of Discotoma Mulsant, 1850 [Coleoptera]; Placotoma is a replacement name)
    1. Species Trochotoma (Discotoma) gansuensis Tong & Erwin, 2001 † accepted as Trochotoma gansuensis Tong & Erwin, 2001 † (subgenus not accepted)
    2. Species Trochotoma (Discotoma) multipleura H.-Z. Pan, 1977 † accepted as Placotoma multipleura (H.-Z. Pan, 1977) † (unaccepted > superseded combination)
    3. Species Trochotoma (Discotoma) yunnanensis H.-Z. Pan, 1977 † accepted as Placotoma yunnanensis (H.-Z. Pan, 1977) † (unaccepted > superseded combination)
63. Subgenus Trochotoma (Legayella) J.-C. Fischer, 1969 † accepted as Legayella J.-C. Fischer, 1969 † (unaccepted > superseded rank)
    1. Species Trochotoma (Legayella) legayi Cossmann, 1885 † accepted as Legayella legayi (Cossmann, 1885) † (unaccepted > superseded combination)
64. Subgenus Trochotoma (Placotoma) Ferrari, Damborenea, Manceñido & Griffin, 2015 † accepted as Placotoma Ferrari, Damborenea, Manceñido & Griffin, 2015 † (unaccepted > superseded rank)
    1. Species Trochotoma (Placotoma) amata (A. d'Orbigny, 1850) † accepted as Placotoma amata (A. d'Orbigny, 1850) † (unaccepted > superseded combination)
    2. Species Trochotoma (Placotoma) barremica Cossmann, 1916 † accepted as Placotoma barremica (Cossmann, 1916) † (unaccepted > superseded combination)
    3. Species Trochotoma (Placotoma) cossmanni (Rollier, 1918) † accepted as Placotoma cossmanni (Rollier, 1918) † (unaccepted > superseded combination)
    4. Species Trochotoma (Placotoma) depressa (Gioli, 1889) † accepted as Placotoma depressa (Gioli, 1889) † (unaccepted > superseded combination)
    5. Species Trochotoma (Placotoma) depressiuscula (Lycett, 1850) † accepted as Placotoma depressiuscula (Lycett, 1850) † (unaccepted > superseded combination)
    6. Species Trochotoma (Placotoma) discoidea Buvignier, 1852 † accepted as Placotoma discoidea (Buvignier, 1852) † (unaccepted > superseded combination)
    7. Species Trochotoma (Placotoma) funiculosa (Cossmann, 1885) † accepted as Placotoma funiculosa (Cossmann, 1885) † (unaccepted > superseded combination)
    8. Species Trochotoma (Placotoma) multicincta (Zieten, 1832) † accepted as Placotoma multicincta (Zieten, 1832) † (unaccepted > superseded combination)
    9. Species Trochotoma (Placotoma) multipleura (H.-Z. Pan, 1977) † accepted as Placotoma multipleura (H.-Z. Pan, 1977) † (unaccepted > superseded combination)
    10. Species Trochotoma (Placotoma) neuquensis Ferrari, Damborenea, Manceñido & Griffin, 2015 † accepted as Placotoma neuquensis (Ferrari, Damborenea, Manceñido & Griffin, 2015) † (unaccepted > superseded combination)
    11. Species Trochotoma (Placotoma) petrariae (Bigot, 1935) † accepted as Placotoma petrariae (Bigot, 1935) † (unaccepted > superseded combination)
    12. Species Trochotoma (Placotoma) planoconvexa (W. Yu, H.-Z. Pan & H.-J. Wang, 1974) † accepted as Placotoma planoconvexa (W. Yu, H.-Z. Pan & H.-J. Wang, 1974) † (unaccepted > superseded combination)
    13. Species Trochotoma (Placotoma) rota (J. A. Eudes-Deslongchamps, 1843) † accepted as Placotoma rota (J. A. Eudes-Deslongchamps, 1843) † (unaccepted > superseded combination)
    14. Species Trochotoma (Placotoma) solarium (F. C. L. Koch, 1848) † accepted as Placotoma solarium (F. C. L. Koch, 1848) † (unaccepted > superseded combination)
    15. Species Trochotoma (Placotoma) tornatilis (J. Phillips, 1829) † accepted as Placotoma tornatilis (J. Phillips, 1829) † (unaccepted > superseded combination)
    16. Species Trochotoma (Placotoma) yunnanensis (H.-Z. Pan, 1977) † accepted as Placotoma yunnanensis (H.-Z. Pan, 1977) † (unaccepted > superseded combination)
65. Species Trochotoma amata (A. d'Orbigny, 1850) † accepted as Placotoma amata (A. d'Orbigny, 1850) † (unaccepted > superseded combination)
66. Species Trochotoma barremica Cossmann, 1916 † accepted as Placotoma barremica (Cossmann, 1916) † (unaccepted > superseded combination)
67. Species Trochotoma canaliculata [sic] † accepted as Trochotoma carinata Lycett, 1850 † accepted as Trochotoma affinis J. A. Eudes-Deslongchamps, 1843 † (unaccepted > misspelling - incorrect subsequent spelling)
68. Species Trochotoma carinata Lycett, 1850 † accepted as Trochotoma affinis J. A. Eudes-Deslongchamps, 1843 † (unaccepted > junior subjective synonym)
69. Species Trochotoma crossei de Folin, 1869 accepted as Sinezona cingulata (O. G. Costa, 1861)
70. Species Trochotoma depressiuscula Lycett, 1850 † accepted as Placotoma depressiuscula (Lycett, 1850) † (unaccepted > superseded combination)
71. Species Trochotoma discoidea Buvignier, 1852 † accepted as Placotoma discoidea (Buvignier, 1852) † (unaccepted > superseded combination)
72. Species Trochotoma funiculosa Cossmann, 1885 † accepted as Placotoma funiculosa (Cossmann, 1885) † (unaccepted > superseded combination)
73. Species Trochotoma globulus J. A. Eudes-Deslongchamps, 1843 † accepted as Valfinia globulus (J. A. Eudes-Deslongchamps, 1843) † (unaccepted > superseded combination)
74. Species Trochotoma humbertina Buvignier, 1852 † accepted as Valfinia humbertina (Buvignier, 1852) † (unaccepted > superseded combination)
75. Species Trochotoma kimmeridgiensis Maire, 1927 † accepted as Legayella kimmeridgiensis (Maire, 1927) † (unaccepted > superseded combination)
76. Species Trochotoma laevigata Piette, 1855 † accepted as Crossostoma nudum (Piette, 1855) † (subjective synonym)
77. Species Trochotoma legayi Cossmann, 1885 † accepted as Legayella legayi (Cossmann, 1885) † (unaccepted > superseded combination)
78. Species Trochotoma lindonensis Hudleston, 1896 † accepted as Valfinia lindonensis (Hudleston, 1896) † (unaccepted > superseded combination)
79. Species Trochotoma lorioli Cossmann, 1902 † accepted as Valfinia lorioli (Cossmann, 1902) † (unaccepted > superseded combination)
80. Species Trochotoma lycetti Hermite, 1877 † accepted as Trochotoma (Trochotoma) obtusa J. Morris & Lycett, 1851 † represented as Trochotoma obtusa J. Morris & Lycett, 1851 † (unaccepted > junior subjective synonym)
81. Species Trochotoma marbachensis Hermite, 1877 † accepted as Valfinia marbachensis (Hermite, 1877) † (unaccepted > superseded combination)
82. Species Trochotoma maubertense Terquem & Piette, 1865 † accepted as Trochotoma maubertensis Terquem & Piette, 1865 † (unaccepted > incorrect grammatical agreement of specific epithet)
83. Species Trochotoma morieri E. Eudes-Deslongchamps, 1864 † accepted as Trochotoma pachyspira E. Eudes-Deslongchamps, 1868 † (unaccepted > nomen nudum)
84. Species Trochotoma petrariae Bigot, 1935 † accepted as Placotoma petrariae (Bigot, 1935) † (unaccepted > superseded combination)
85. Species Trochotoma rota J. A. Eudes-Deslongchamps, 1843 † accepted as Placotoma rota (J. A. Eudes-Deslongchamps, 1843) † (unaccepted > superseded combination)
86. Species Trochotoma schlumbergeri E. Eudes-Deslongchamps, 1868 † accepted as Trochotoma affinis J. A. Eudes-Deslongchamps, 1843 † (unaccepted > junior subjective synonym, tentative junior subjective synonym)
87. Species Trochotoma suevica (Quenstedt, 1884) † accepted as Placotoma suevica (Quenstedt, 1884) † (unaccepted > superseded combination)
88. Species Trochotoma terquemi Deshayes, 1865 † accepted as Sinezona terquemi (Deshayes, 1865) † (unaccepted > superseded combination)
89. Subgenus Trochotoma (Trochotoma) J. A. Eudes-Deslongchamps, 1843 † represented as Trochotoma J. A. Eudes-Deslongchamps, 1843 †
    1. Species Trochotoma (Trochotoma) carinata Lycett, 1850 † accepted as Trochotoma affinis J. A. Eudes-Deslongchamps, 1843 † (unaccepted > junior subjective synonym)
    2. Species Trochotoma (Trochotoma) schlumbergeri E. Eudes-Deslongchamps, 1868 † accepted as Trochotoma affinis J. A. Eudes-Deslongchamps, 1843 † (unaccepted > junior subjective synonym, tentative junior subjective synonym)
    3. Species Trochotoma (Trochotoma) acuminata J. A. Eudes-Deslongchamps, 1843 † represented as Trochotoma acuminata J. A. Eudes-Deslongchamps, 1843 †
    4. Species Trochotoma (Trochotoma) affinis J. A. Eudes-Deslongchamps, 1843 † represented as Trochotoma affinis J. A. Eudes-Deslongchamps, 1843 †
    5. Species Trochotoma (Trochotoma) bicarinata (A. d'Orbigny, 1843) † represented as Trochotoma bicarinata (A. d'Orbigny, 1843) †
    6. Species Trochotoma (Trochotoma) brocastellensis C. Moore, 1867 † represented as Trochotoma brocastellensis C. Moore, 1867 †
    7. Species Trochotoma (Trochotoma) calix (J. Phillips, 1829) † represented as Trochotoma calix (J. Phillips, 1829) †
    8. Species Trochotoma (Trochotoma) conuloides J. A. Eudes-Deslongchamps, 1843 † represented as Trochotoma conuloides J. A. Eudes-Deslongchamps, 1843 †
    9. Species Trochotoma (Trochotoma) desoriana (Cotteau, 1854) † represented as Trochotoma desoriana (Cotteau, 1854) †
    10. Species Trochotoma (Trochotoma) extensa J. Morris & Lycett, 1851 † represented as Trochotoma extensa J. Morris & Lycett, 1851 †
    11. Species Trochotoma (Trochotoma) funata Lycett, 1850 † represented as Trochotoma funata Lycett, 1850 †
    12. Species Trochotoma (Trochotoma) gigantea Zittel, 1873 † represented as Trochotoma gigantea Zittel, 1873 †
    13. Species Trochotoma (Trochotoma) gradata (Gemmellaro, 1879) † represented as Trochotoma gradata (Gemmellaro, 1879) †
    14. Species Trochotoma (Trochotoma) gradus J. A. Eudes-Deslongchamps, 1843 † represented as Trochotoma gradus J. A. Eudes-Deslongchamps, 1843 †
    15. Species Trochotoma (Trochotoma) haueri M. Hörnes, 1853 † represented as Trochotoma haueri M. Hörnes, 1853 †
    16. Species Trochotoma (Trochotoma) hudlestoni (Rollier, 1918) † represented as Trochotoma hudlestoni (Rollier, 1918) †
    17. Species Trochotoma (Trochotoma) imbricata Cossmann, 1885 † represented as Trochotoma imbricata Cossmann, 1885 †
    18. Species Trochotoma (Trochotoma) infundibulum (Étallon, 1862) † represented as Trochotoma infundibulum (Étallon, 1862) †
    19. Species Trochotoma (Trochotoma) magnifica Cossmann, 1885 † represented as Trochotoma magnifica Cossmann, 1885 †
    20. Species Trochotoma (Trochotoma) meneghinii Gemmellaro, 1879 † represented as Trochotoma meneghinii Gemmellaro, 1879 †
    21. Species Trochotoma (Trochotoma) obtusa J. Morris & Lycett, 1851 † represented as Trochotoma obtusa J. Morris & Lycett, 1851 †
    22. Species Trochotoma (Trochotoma) orientalis (Kiparisova, 1952) † represented as Trochotoma orientalis (Kiparisova, 1952) †
    23. Species Trochotoma (Trochotoma) pachyspira E. Eudes-Deslongchamps, 1868 † represented as Trochotoma pachyspira E. Eudes-Deslongchamps, 1868 †
    24. Species Trochotoma (Trochotoma) protonotialis Ferrari, Damborenea, Manceñido & Griffin, 2015 † represented as Trochotoma protonotialis Ferrari, Damborenea, Manceñido & Griffin, 2015 †
    25. Species Trochotoma (Trochotoma) putealis Cossmann, 1885 † represented as Trochotoma putealis Cossmann, 1885 †
    26. Species Trochotoma (Trochotoma) quenstedti (Rollier, 1918) † represented as Trochotoma quenstedti (Rollier, 1918) †
    27. Species Trochotoma (Trochotoma) ranvilliana (Rollier, 1918) † represented as Trochotoma ranvilliana (Rollier, 1918) †
    28. Species Trochotoma (Trochotoma) rathieriana (A. d'Orbigny, 1850) † represented as Trochotoma rathieriana (A. d'Orbigny, 1850) †
    29. Species Trochotoma (Trochotoma) scalaris (A. d'Orbigny, 1850) † represented as Trochotoma scalaris (A. d'Orbigny, 1850) †
    30. Species Trochotoma (Trochotoma) secans (Dubar, 1948) † represented as Trochotoma secans (Dubar, 1948) †
    31. Species Trochotoma (Trochotoma) somertonensis (Rollier, 1918) † represented as Trochotoma somertonensis (Rollier, 1918) †
    32. Species Trochotoma (Trochotoma) tabulata J. Morris & Lycett, 1851 † represented as Trochotoma tabulata J. Morris & Lycett, 1851 †
    33. Species Trochotoma (Trochotoma) vetusta Terquem, 1855 † represented as Trochotoma vetusta Terquem, 1855 †
90. Species Trochotoma chanoisi Henry, 1875 † (uncertain > taxon inquirendum)
91. Species Trochotoma elegans Gemmellaro, 1889 † (uncertain > taxon inquirendum)
92. Species Trochotoma prisca Gemmellaro, 1889 † (uncertain > taxon inquirendum)

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