1. Subgenus Lagochilus (Cytora) Kobelt & Möllendorff, 1897 accepted as Cytora Kobelt & Möllendorff, 1897
   1. Species Lagochilus (Cytora) hispida (Liardet, 1876) accepted as Cytora hispida (Liardet, 1876) (superseded combination)
2. Subgenus Lagochilus (Japonia) A. Gould, 1859 accepted as Japonia A. Gould, 1859 (unaccepted > superseded rank)
   1. Species Lagochilus (Japonia) concolor Möllendorff, 1893 accepted as Japonia concolor (Möllendorff, 1893) (unaccepted > superseded combination)
   2. Species Lagochilus (Japonia) gradatum Möllendorff, 1894 accepted as Japonia gradata (Möllendorff, 1894) (unaccepted > superseded combination)
   3. Species Lagochilus (Japonia) mucronatum Möllendorff, 1888 accepted as Japonia mucronata (Möllendorff, 1888) (unaccepted > superseded combination)
   4. Species Lagochilus (Japonia) subcarinata Möllendorff, 1887 accepted as Japonia subcarinata (Möllendorff, 1887) (unaccepted > superseded combination)
3. Subgenus Lagochilus (Lagochilus) P. Fischer, 1885 accepted as Lagocheilus W. T. Blanford, 1864
   1. Species Lagochilus (Lagochilus) balabacense E. A. Smith, 1895 accepted as Japonia quinquelirata (Möllendorff, 1887) (unaccepted > junior subjective synonym)
   2. Species Lagochilus (Lagochilus) bifimbriatum Möllendorff, 1890 accepted as Lagocheilus bifimbriatus Möllendorff, 1890 (incorrect gender ending; unjustified emendation of genus name, Lagocheilus W. T. Blanford, 1864)
   3. Species Lagochilus (Lagochilus) cagayanicum Quadras & Möllendorff, 1895 accepted as Lagocheilus cagayanicus Quadras & Möllendorff, 1895 (incorrect gender ending; unjustified emendation of genus name, Lagocheilus W. T. Blanford, 1864)
   4. Species Lagochilus (Lagochilus) ciliatum (G. B. Sowerby II, 1843) accepted as Lagocheilus ciliatus (G. B. Sowerby I, 1843) (incorrect gender ending; unjustified emendation of genus name, Lagocheilus W. T. Blanford, 1864)
   5. Species Lagochilus (Lagochilus) euryomphalum Möllendorff, 1895 accepted as Lagocheilus euryomphalus Möllendorff, 1895 (unaccepted > superseded combination)
   6. Species Lagochilus (Lagochilus) grande Möllendorff, 1890 accepted as Lagocheilus grandis Möllendorff, 1890 (unaccepted > superseded combination)
   7. Species Lagochilus (Lagochilus) guimarasense (G. B. Sowerby I, 1843) accepted as Lagocheilus guimarasensis (G. B. Sowerby I, 1843) (incorrect spelling of genus name)
   8. Species Lagochilus (Lagochilus) humile Möllendorff, 1897 accepted as Lagocheilus humilis Möllendorff, 1897 (original combination)
   9. Species Lagochilus (Lagochilus) omphalotropis Möllendorff, 1887 accepted as Lagocheilus omphalotropis Möllendorff, 1887 (unjustified emendation to original genus name, Lagocheilus W. T. Blanford, 1864)
   10. Species Lagochilus (Lagochilus) parvum (G. B. Sowerby I, 1843) accepted as Lagocheilus parvus (G. B. Sowerby I, 1843) (incorrect gender ending; unjustified emendation of genus name, Lagocheilus W. T. Blanford, 1864)
   11. Species Lagochilus (Lagochilus) polytropis Quadras & Möllendorff, 1895 accepted as Lagocheilus polytropis Quadras & Möllendorff, 1895 (unjustified emendation of original genus, Lagocheilus W. T. Blanford, 1864)
   12. Species Lagochilus (Lagochilus) quadrasi Möllendorff, 1887 accepted as Lagocheilus quadrasi Möllendorff, 1887 (unjustified emendation to original genus name, Lagocheilus W. T. Blanford, 1864)
   13. Species Lagochilus (Lagochilus) scalare Quadras & Möllendorff, 1895 accepted as Lagocheilus scalaris Quadras & Möllendorff, 1895 (incorrect gender ending; unjustified emendation of genus name, Lagocheilus W. T. Blanford, 1864)
   14. Species Lagochilus (Lagochilus) simile E. A. Smith, 1893 accepted as Japonia jucunda (E. A. Smith, 1893) (unaccepted > junior subjective synonym, incorrect gender ending; unjustified emendation of genus name, Lagocheilus W. T. Blanford, 1864)
   15. Species Lagochilus (Lagochilus) smithi Kobelt, 1897 accepted as Lagocheilus smithi Kobelt, 1897 (incorrect spelling of genus name)
   16. Species Lagochilus (Lagochilus) solidulum Möllendorff, 1894 accepted as Lagocheilus solidulus Möllendorff, 1894 (incorrect gender ending; unjustified emendation of genus name, Lagocheilus W. T. Blanford, 1864)
   17. Species Lagochilus (Lagochilus) stenomphalum Möllendorff, 1890 accepted as Lagocheilus stenomphalus Möllendorff, 1890 (incorrect gender ending; unjustified emendation of genus name, Lagocheilus W. T. Blanford, 1864)
   18. Species Lagochilus (Lagochilus) stephanophorum Möllendorff, 1895 accepted as Lagocheilus stephanophorus Möllendorff, 1895 (incorrect gender ending, unjustified emendation to original genus name, Lagocheilus W. T. Blanford, 1864)
   19. Species Lagochilus (Lagochilus) tigrinulum Möllendorff, 1891 accepted as Lagocheilus tigrinulus Möllendorff, 1891 (incorrect gender ending; unjustified emendation of genus name, Lagocheilus W. T. Blanford, 1864)
   20. Species Lagochilus (Lagochilus) turbinatum (L. Pfeiffer, 1846) accepted as Lagocheilus turbinatum (L. Pfeiffer, 1846) (unaccepted > superseded combination)
4. Subgenus Lagochilus (Mylicotrochus) P. Sarasin & F. Sarasin, 1899 accepted as Japonia (Mylicotrochus) P. Sarasin & F. Sarasin, 1899 represented as Japonia A. Gould, 1859
   1. Species Lagochilus (Mylicotrochus) celebensis P. Sarasin & F. Sarasin, 1899 accepted as Japonia (Mylicotrochus) celebensis (P. Sarasin & F. Sarasin, 1899) represented as Japonia celebensis (P. Sarasin & F. Sarasin, 1899)
   2. Species Lagochilus (Mylicotrochus) saetigerum van Benthem Jutting, 1958 accepted as Japonia saetigera (van Benthem Jutting, 1958) (basionym)
5. Species Lagochilus acutecingulatum van Benthem Jutting, 1963 accepted as Lagocheilus acutecingulatus van Benthem Jutting, 1963 (incorrect spelling of genus name; wrong gender agreement of specific epithet)
6. Species Lagochilus alticola Laidlaw, 1937 accepted as Japonia alticola (Laidlaw, 1937) (unaccepted > superseded combination, incorrect spelling of generic name)
7. Species Lagochilus aruanum C. R. Boettger, 1922 accepted as Lagocheilus aruanus C. R. Boettger, 1922 (invalid spelling of genus name; wrong gender agreement of specific epithet)
8. Species Lagochilus balabacensis E. A. Smith, 1895 accepted as Japonia quinquelirata (Möllendorff, 1887) (unaccepted > junior subjective synonym)
9. Species Lagochilus bangueyensis E. A. Smith, 1895 accepted as Japonia jucunda (E. A. Smith, 1893) (unaccepted > junior subjective synonym)
10. Species Lagochilus barbatum (A. A. Gould, 1859) accepted as Japonia gouldi Kobelt, 1902 (junior homonym of Cyclostoma barbatum L. Pfeiffer, 1855)
11. Species Lagochilus bicarinatus Suter, 1907 accepted as Liarea bicarinata (Suter, 1907) (superseded combination)
12. Species Lagochilus bifimbriatum Möllendorff, 1890 accepted as Lagocheilus bifimbriatus Möllendorff, 1890 (invalid spelling of genus name; wrong gender agreement of specific epithet)
13. Species Lagochilus boettgeri Möllendorff, 1887 accepted as Leptopoma boettgeri (Möllendorff, 1887) (original combination)
14. Species Lagochilus brocchus E. von Martens, 1908 accepted as Lagocheilus brocchus E. von Martens, 1908 (unavailable original genus name)
15. Species Lagochilus buginense P. Sarasin & F. Sarasin, 1899 accepted as Lagocheilus buginensis P. Sarasin & F. Sarasin, 1899 (incorrect spelling of genus name; incorrect gender of species name)
16. Species Lagochilus bunguranensis E. A. Smith, 1894 accepted as Japonia bunguranensis (E. A. Smith, 1894) (original combination)
17. Species Lagochilus cagayanicum Quadras & Möllendorff, 1895 accepted as Lagocheilus cagayanicus Quadras & Möllendorff, 1895 (invalid spelling of genus name; wrong gender agreement of specific epithet)
18. Species Lagochilus calciphilum van Benthem Jutting, 1963 accepted as Lagocheilus calciphilus van Benthem Jutting, 1963 (invalid spelling of genus name; wrong gender agreement of specific epithet)
19. Species Lagochilus carinulatum Zilch, 1955 accepted as Lagocheilus carinulatus Zilch, 1955 (invalid spelling of genus name; wrong gender agreement of specific epithet)
20. Species Lagochilus celebicum P. Sarasin & F. Sarasin, 1899 accepted as Lagocheilus celebicus P. Sarasin & F. Sarasin, 1899 (invalid spelling of genus name; wrong gender agreement of specific epithet)
21. Species Lagochilus chiltoni Suter, 1896 accepted as Cytora chiltoni (Suter, 1896) (superseded combination)
22. Species Lagochilus ciliferus (Mousson, 1849) accepted as Lagocheilus ciliferus (Mousson, 1849) (unjustified emendation to original genus spelling, Lagocheilus W. T. Blanford, 1864)
23. Species Lagochilus ciliocinctum (E. von Martens, 1865) accepted as Japonia ciliocincta (E. von Martens, 1865) (unaccepted > superseded combination)
24. Species Lagochilus concavospirum Möllendorff, 1902 accepted as Lagocheilus concavospira Möllendorff, 1902 (invalid spelling of genus name; wrong gender agreement of specific epithet)
25. Species Lagochilus concolor Möllendorff, 1893 accepted as Japonia concolor (Möllendorff, 1893) (original combination)
26. Species Lagochilus conicus E. A. Smith, 1895 accepted as Lagocheilus smithi Kobelt, 1897 (junior homonym of Cyclotus conicus Martens, 1860)
27. Species Lagochilus convexum Möllendorff, 1897 accepted as Lagocheilus convexus Möllendorff, 1897 (invalid spelling of genus name; wrong gender agreement of specific epithet)
28. Species Lagochilus costulatum Möllendorff, 1900 accepted as Lagocheilus costulatus Möllendorff, 1900 (invalid spelling of genus name; wrong gender agreement of specific epithet)
29. Species Lagochilus diploloma Möllendorff, 1901 accepted as Lagocheilus diploloma Möllendorff, 1901 (incorrect spelling of generic name)
30. Species Lagochilus drepanophorum van Benthem Jutting, 1958 accepted as Lagocheilus drepanophorus van Benthem Jutting, 1958 (basionym)
31. Species Lagochilus euryomphalum Möllendorff, 1895 accepted as Lagocheilus euryomphalus Möllendorff, 1895 (incorrect spelling of genus name; wrong gender agreement of specific epithet)
32. Species Lagochilus exiguus E. A. Smith, 1894 accepted as Lagocheilus exiguus E. A. Smith, 1894 (incorrect spelling of generic name)
33. Species Lagochilus fasciatum Suter, 1894 accepted as Cytora fasciata (Suter, 1894) (superseded combination)
34. Species Lagochilus flaveovariegatum van Benthem Jutting, 1963 accepted as Lagocheilus flaveovariegatus van Benthem Jutting, 1963 (incorrect spelling of genus name; wrong gender agreement of specific epithet)
35. Species Lagochilus garelli (Souleyet, 1852) accepted as Lagocheilus garelli (Souleyet, 1852) (incorrect spelling of genus name)
36. Species Lagochilus gradatum Möllendorff, 1894 accepted as Japonia gradata (Möllendorff, 1894) (original combination)
37. Species Lagochilus grande Möllendorff, 1890 accepted as Lagocheilus grandis Möllendorff, 1890 (incorrect spelling of generic name)
38. Species Lagochilus gudei Schepman, 1919 accepted as Lagocheilus gudei Schepman, 1919 (incorrect spelling of original genus name)
39. Species Lagochilus guimarasense (G. B. Sowerby I, 1843) accepted as Lagocheilus guimarasensis (G. B. Sowerby I, 1843) (incorrect gender ending; unjustified emendation of genus name, Lagocheilus W. T. Blanford, 1864)
40. Species Lagochilus hagenmulleri Mabille, 1887 accepted as Japonia hagenmulleri (Mabille, 1887) (original combination)
41. Species Lagochilus hedleyi Suter, 1894 accepted as Cytora hedleyi (Suter, 1894) (superseded combination)
42. Species Lagochilus humile Möllendorff, 1897 accepted as Lagocheilus humilis Möllendorff, 1897 (incorrect spelling of genus name; wrong gender agreement of specific epithet)
43. Species Lagochilus hypselospirum Möllendorff, 1901 accepted as Lagocheilus hypselospirus Möllendorff, 1901 (incorrect spelling of genus name)
44. Species Lagochilus inconspicuum P. Sarasin & F. Sarasin, 1899 accepted as Lagocheilus inconspicuus P. Sarasin & F. Sarasin, 1899 (incorrect spelling of genus name; incorrect gender of species name)
45. Species Lagochilus inornatus E. A. Smith, 1893 accepted as Lagocheilus inornatus E. A. Smith, 1893 accepted as Japonia inornata (E. A. Smith, 1893) (incorrect subsequent spelling of genus name)
46. Species Lagochilus insulare Möllendorff, 1901 accepted as Lagocheilus insulare Möllendorff, 1901 (incorrect spelling of generic name)
47. Species Lagochilus kinabaluensis E. A. Smith, 1895 accepted as Japonia trilirata kinabaluensis (E. A. Smith, 1895) (unaccepted rank)
48. Species Lagochilus kobelti Sykes, 1903 accepted as Lagocheilus kobelti Sykes, 1903 (incorrect spelling of genus name)
49. Species Lagochilus macromphalum Möllendorff, 1897 accepted as Lagocheilus macromphalus Möllendorff, 1897 (incorrect spelling of genus name; wrong gender agreement of specific epithet)
50. Species Lagochilus marangensis Aldrich, 1898 accepted as Lagocheilus marangensis Aldrich, 1898 (incorrect spelling of genus name)
51. Species Lagochilus mendicans Mabille, 1887 accepted as Japonia mendicans (Mabille, 1887) (original combination)
52. Species Lagochilus mucronatus Möllendorff, 1888 accepted as Japonia mucronata (Möllendorff, 1888) (original combination)
53. Species Lagochilus mundum van Benthem Jutting, 1959 accepted as Lagocheilus mundus van Benthem Jutting, 1959 (incorrect spelling of genus name; mundus is a noun in apposition)
54. Species Lagochilus natunensis E. A. Smith, 1894 accepted as Lagocheilus natunensis E. A. Smith, 1894 (incorrect spelling of genus name)
55. Species Lagochilus nubeculum van Benthem Jutting, 1963 accepted as Lagocheilus nubeculus van Benthem Jutting, 1963 (incorrect spelling of genus name; wrong gender agreement of specific epithet)
56. Species Lagochilus obianum Möllendorff, 1902 accepted as Lagocheilus obianum Möllendorff, 1902 (incorrect spelling of genus name)
57. Species Lagochilus obliquistriatus Bullen, 1904 accepted as Lagocheilus obliquistriatus Bullen, 1904 (incorrect spelling of generic name)
58. Species Lagochilus occultus Sykes, 1899 accepted as Lagocheilus occultus Sykes, 1899 (incorrect spelling of genus name)
59. Species Lagochilus omphalotropis Möllendorff, 1887 accepted as Lagocheilus omphalotropis Möllendorff, 1887 (incorrect spelling of genus name)
60. Species Lagochilus pachychilus Möllendorff, 1902 accepted as Lagocheilus pachychilus Möllendorff, 1902 (misspelled generic name)
61. Species Lagochilus pachytropis Möllendorff, 1896 accepted as Lagocheilus pachytropis Möllendorff, 1896 (incorrect spelling of genus name)
62. Species Lagochilus papuanus E. A. Smith, 1897 accepted as Lagocheilus papuanus E. A. Smith, 1897 (incorrect spelling of genus name)
63. Species Lagochilus parvum (G. B. Sowerby I, 1843) accepted as Lagocheilus parvus (G. B. Sowerby I, 1843) (incorrect gender ending; unjustified emendation of genus name, Lagocheilus W. T. Blanford, 1864)
64. Species Lagochilus plagiostomaticum van Benthem Jutting, 1958 accepted as Lagocheilus plagiostomaticus van Benthem Jutting, 1958 (basionym)
65. Species Lagochilus poirierii (Tapparone Canefri, 1883) accepted as Lagocheilus poirieri (Tapparone Canefri, 1883) (misspelled generic and species name)
66. Species Lagochilus polytropis Quadras & Möllendorff, 1895 accepted as Lagocheilus polytropis Quadras & Möllendorff, 1895 (incorrect spelling of genus name)
67. Species Lagochilus proprium Fulton, 1905 accepted as Lagocheilus proprium Fulton, 1905 accepted as Japonia quinquelirata (Möllendorff, 1887) (incorrect spelling of genus name)
68. Species Lagochilus quadrasi Möllendorff, 1887 accepted as Lagocheilus quadrasi Möllendorff, 1887 (incorrect spelling of genus name)
69. Species Lagochilus quadricinctus E. A. Smith, 1895 accepted as Lagocheilus quadricinctus E. A. Smith, 1895 (incorrect spelling of genus name)
70. Species Lagochilus quinqueliratus Möllendorff, 1887 accepted as Japonia quinquelirata (Möllendorff, 1887) (unaccepted > superseded combination, incorrect spelling of genus name)
71. Species Lagochilus rabongensis E. A. Smith, 1895 accepted as Japonia rabongensis (E. A. Smith, 1895) (incorrect spelling of genus name)
72. Species Lagochilus reticulatum Möllendorff, 1897 accepted as Lagocheilus reticulatus Möllendorff, 1897 (incorrect spelling of genus name)
73. Species Lagochilus rollei Möllendorff, 1902 accepted as Lagocheilus rollei Möllendorff, 1902 (incorrect spelling of genus name)
74. Species Lagochilus romblonense Möllendorff, 1897 accepted as Lagocheilus romblonensis Möllendorff, 1897 (incorrect spelling of genus name)
75. Species Lagochilus scalare Quadras & Möllendorff, 1895 accepted as Lagocheilus scalaris Quadras & Möllendorff, 1895 (incorrect spelling of genus name; wrong gender agreement of specific epithet)
76. Species Lagochilus sexfilaris (Heude, 1882) accepted as Lagocheilus sexfilaris (Heude, 1882) (incorrect spelling of genus name)
77. Species Lagochilus similis E. A. Smith, 1893 accepted as Japonia jucunda (E. A. Smith, 1893) (unaccepted > junior subjective synonym)
78. Species Lagochilus sirhassenensis E. A. Smith, 1894 accepted as Lagocheilus sirhassenensis E. A. Smith, 1894 (incorrect spelling of genus name)
79. Species Lagochilus solidulum Möllendorff, 1894 accepted as Lagocheilus solidulus Möllendorff, 1894 (incorrect spelling of genus name)
80. Species Lagochilus stenomphalum Möllendorff, 1890 accepted as Lagocheilus stenomphalus Möllendorff, 1890 (incorrect spelling of genus name)
81. Species Lagochilus stephanophorum Möllendorff, 1895 accepted as Lagocheilus stephanophorus Möllendorff, 1895 (incorrect spelling of genus name; wrong gender agreement of specific epithet)
82. Species Lagochilus striolata Stoliczka, 1872 accepted as Lagocheilus striolatus Stoliczka, 1872 (incorrect spelling of genus name)
83. Species Lagochilus studeri Suter, 1896 accepted as Amnicola limosus (Say, 1817) (unaccepted > junior subjective synonym)
84. Species Lagochilus subcarinatus Möllendorff, 1887 accepted as Japonia subcarinata (Möllendorff, 1887) (original combination)
85. Species Lagochilus swettenhami de Morgan, 1886 accepted as Lagocheilus swettenhami de Morgan, 1886 (incorrect spelling of genus name)
86. Species Lagochilus tenuipilis Gredler, 1887 accepted as Japonia tenuipilis (Gredler, 1887) (basionym)
87. Species Lagochilus tigrinulum Möllendorff, 1891 accepted as Lagocheilus tigrinulus Möllendorff, 1891 (incorrect gender ending; unjustified emendation of genus name, Lagocheilus W. T. Blanford, 1864)
88. Species Lagochilus torquillum Suter, 1894 accepted as Cytora torquillum (Suter, 1894) (superseded combination)
89. Species Lagochilus townsendi Crosse, 1879 accepted as Lagocheilus townsendi Crosse, 1879 (incorrect spelling of genus name)
90. Species Lagochilus trichophorus (Möllendorff, 1881) accepted as Lagocheilus trichophorus (Möllendorff, 1881) (incorrect spelling of genus name)
91. Species Lagochilus trochoides Stoliczka, 1872 accepted as Lagocheilus trochoides Stoliczka, 1872 (incorrect spelling of genus name)
92. Species Lagochilus tumidulum Quadras & Möllendorff, 1895 accepted as Lagocheilus tumidulus Quadras & Möllendorff, 1895 (incorrect spelling of genus name; wrong gender agreement of specific epithet)
93. Species Lagochilus turbinatum (L. Pfeiffer, 1846) accepted as Lagocheilus turbinatum (L. Pfeiffer, 1846)
94. Species Lagochilus longipilus O. Boettger, 1890 (uncertain > taxon inquirendum)
95. Species Lagochilus tricarinatus F. Haas, 1912 (uncertain > taxon inquirendum)

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