1. Species Cyclotus amabilis Fulton, 1905
2. Species Cyclotus amboinensis (L. Pfeiffer, 1854)
3. Species Cyclotus angulatus E. von Martens, 1874
4. Species Cyclotus approximans Heude, 1882
5. Species Cyclotus atratus Ancey, 1890
6. Species Cyclotus auriculatus Kobelt, 1884
7. Species Cyclotus batchianensis L. Pfeiffer, 1861
8. Species Cyclotus bemarahae K. C. Emberton, 2004
9. Species Cyclotus bernsteini E. von Martens, 1863
10. Species Cyclotus biangulatus E. von Martens, 1891
11. Species Cyclotus bonensis P. Sarasin & F. Sarasin, 1899
12. Species Cyclotus borealis (Möllendorff, 1885)
13. Species Cyclotus boxalli Godwin-Austen, 1889
14. Species Cyclotus buginensis P. Sarasin & F. Sarasin, 1899
15. Species Cyclotus campanulatus E. von Martens, 1865
16. Species Cyclotus canaliculatus Möllendorff, 1895
17. Species Cyclotus carinornatus Bollinger, 1918
18. Species Cyclotus caroli Kobelt, 1884
19. Species Cyclotus chinensis (L. Pfeiffer, 1855)
20. Species Cyclotus confluens (L. Pfeiffer, 1860)
21. Species Cyclotus conoideus Möllendorff, 1902
22. Species Cyclotus cyclophoroides Möllendorff, 1890
23. Species Cyclotus danieli (Morlet, 1886)
24. Species Cyclotus daucinus (L. Pfeiffer, 1857)
25. Species Cyclotus dautzenbergi (Sykes, 1902)
26. Species Cyclotus difficillimus Schmacker & O. Boettger, 1890
27. Species Cyclotus dimidiatus Kobelt, 1896
28. Species Cyclotus discoideus (G. B. Sowerby I, 1843)
29. Species Cyclotus discriminendus B. Rensch, 1934
30. Species Cyclotus distomellus (G. B. Sowerby I, 1843)
31. Species Cyclotus dohrni Kobelt, 1902
32. Species Cyclotus euzonus Dohrn, 1889
33. Species Cyclotus fasciatus E. von Martens, 1864
34. Species Cyclotus floresianus E. von Martens, 1891
35. Species Cyclotus fooni Thach & F. Huber, 2021
36. Species Cyclotus fortunei L. Pfeiffer, 1852
37. Species Cyclotus fulminulatus E. von Martens, 1865
38. Species Cyclotus gallorum K. C. Emberton, 2004
39. Species Cyclotus gassiesianus Crosse, 1867
40. Species Cyclotus gordoni (W. H. Benson, 1863)
41. Species Cyclotus griffithsi K. C. Emberton, 2004
42. Species Cyclotus guttatus (L. Pfeiffer, 1853)
43. Species Cyclotus gwendolenae (Godwin-Austen, 1889)
44. Species Cyclotus hainanensis (H. Adams, 1870)
45. Species Cyclotus hebraicus (Lesson, 1831)
46. Species Cyclotus huberi Thach, 2018
47. Species Cyclotus hungerfordi (Godwin-Austen, 1889)
48. Species Cyclotus iris (Godwin-Austen, 1889)
49. Species Cyclotus jellesmae P. Sarasin & F. Sarasin, 1899
50. Species Cyclotus kaimanaensis Dharma, 2021
51. Species Cyclotus labuanensis (L. Pfeiffer, 1864)
52. Species Cyclotus latruncularius P. Sarasin & F. Sarasin, 1899
53. Species Cyclotus lepidotus Vermeulen, 1996
54. Species Cyclotus leytensis Möllendorff, 1890
55. Species Cyclotus lindstedti (L. Pfeiffer, 1857)
56. Species Cyclotus liratus Möllendorff, 1902
57. Species Cyclotus lombockensis E. A. Smith, 1898
58. Species Cyclotus longipilus E. von Martens, 1865
59. Species Cyclotus lowianus (L. Pfeiffer, 1864)
60. Species Cyclotus macassaricus P. Sarasin & F. Sarasin, 1899
61. Species Cyclotus mamillaris Odhner, 1919
62. Species Cyclotus masbatensis Pilsbry, 1928
63. Species Cyclotus meyeri P. Sarasin & F. Sarasin, 1899
64. Species Cyclotus microchilus (Crosse, 1868)
65. Species Cyclotus micromamillaris K. C. Emberton, 2004
66. Species Cyclotus mindaiensis (Bock, 1881)
67. Species Cyclotus mindoricus Quadras & Möllendorff, 1896
68. Species Cyclotus minor (E. von Martens, 1873)
69. Species Cyclotus namorokae K. C. Emberton, 2004
70. Species Cyclotus natunensis E. A. Smith, 1894
71. Species Cyclotus niasensis Fulton, 1907
72. Species Cyclotus nigrispirus P. Sarasin & F. Sarasin, 1899
73. Species Cyclotus novoguineensis Tapparone Canefri, 1883
74. Species Cyclotus obscuratus B. Rensch, 1931
75. Species Cyclotus palawanicus E. A. Smith, 1895
76. Species Cyclotus pandarus P. Sarasin & F. Sarasin, 1899
77. Species Cyclotus peramplas E. von Martens, 1903
78. Species Cyclotus politus (G. B. Sowerby I, 1843)
79. Species Cyclotus porrectus Möllendorff, 1898
80. Species Cyclotus pruinosus E. von Martens, 1863
81. Species Cyclotus pseudoreticulatus Rensch, 1933
82. Species Cyclotus pterocycloides (L. Pfeiffer, 1855)
83. Species Cyclotus pyrostoma E. A. Smith, 1896
84. Species Cyclotus ranae B. Rensch, 1931
85. Species Cyclotus reticulatus E. von Martens, 1864
86. Species Cyclotus schomburgianus Möllendorff, 1883
87. Species Cyclotus semiliratus Möllendorff, 1896
88. Species Cyclotus setosus (Möllendorff, 1894)
89. Species Cyclotus siamensis (E. von Martens, 1860)
90. Species Cyclotus simonianus (Heude, 1886)
91. Species Cyclotus simplicissimus B. Rensch, 1933
92. Species Cyclotus smithi Kobelt, 1902
93. Species Cyclotus solutus (Stoliczka, 1872)
94. Species Cyclotus sontraensis Thach & F. Huber, 2020
95. Species Cyclotus spiniferus (Morelet, 1861)
96. Species Cyclotus stenomphalus Heude, 1882
97. Species Cyclotus stoevi Thach & F. Huber, 2021
98. Species Cyclotus subflammulatus L. Pfeiffer, 1861
99. Species Cyclotus succinctus E. von Martens, 1864
100. Species Cyclotus sulcatus Möllendorff, 1890
101. Species Cyclotus suluanus E. A. Smith, 1894
102. Species Cyclotus sumatranus (E. von Martens, 1864)
103. Species Cyclotus taivanus H. Adams, 1870
104. Species Cyclotus tener (Menke, 1856)
105. Species Cyclotus tourannensis (Souleyet, 1852)
106. Species Cyclotus trusanensis Godwin-Austen, 1889
107. Species Cyclotus tubaeformis Möllendorff, 1882
108. Species Cyclotus tubuliferus (L. Pfeiffer, 1854)
109. Species Cyclotus variegatus Swainson, 1840
110. Species Cyclotus vicinus E. A. Smith, 1896
111. Species Cyclotus yeni Zilch, 1956
112. Subgenus Cyclotus (Adelomorpha) Tapparone Canefri, 1886 accepted as Pseudocyclotus Thiele, 1894 (Invalid: Junior homonym of Adelomorpha Snellen, 1885 [Lepidoptera])
113. Subgenus Cyclotus (Aperostoma) Troschel, 1847 accepted as Aperostoma Troschel, 1847 (unaccepted rank)
     1. Species Cyclotus (Aperostoma) dysoni (L. Pfeiffer, 1851) accepted as Neocyclotus dysoni (L. Pfeiffer, 1851)
     2. Species Cyclotus (Aperostoma) irregularis (L. Pfeiffer, 1855) accepted as Incidostoma irregulare (L. Pfeiffer, 1855)
114. Subgenus Cyclotus (Eucyclotus) Möllendorff, 1890 accepted as Eucyclotus Möllendorff, 1890 (original combination)
     1. Species Cyclotus (Eucyclotus) amabilis Fulton, 1905 accepted as Cyclotus amabilis Fulton, 1905
     2. Species Cyclotus (Eucyclotus) auriculatus Kobelt, 1884 accepted as Cyclotus auriculatus Kobelt, 1884 (unaccepted subgeneric classification)
     3. Species Cyclotus (Eucyclotus) caroli Kobelt, 1884 accepted as Cyclotus caroli Kobelt, 1884 (unaccepted subgeneric classification)
     4. Species Cyclotus (Eucyclotus) mindoricus Quadras & Möllendorff, 1896 accepted as Cyclotus mindoricus Quadras & Möllendorff, 1896 (original combination)
     5. Species Cyclotus (Eucyclotus) semiliratus Möllendorff, 1896 accepted as Cyclotus semiliratus Möllendorff, 1896 (basionym)
     6. Species Cyclotus (Eucyclotus) sulcatus Möllendorff, 1890 accepted as Cyclotus sulcatus Möllendorff, 1890 (basionym)
     7. Species Cyclotus (Eucyclotus) variegatus Swainson, 1840 accepted as Cyclotus variegatus Swainson, 1840
     8. Species Cyclotus (Eucyclotus) moutonensis Leschke, 1914 (uncertain > taxon inquirendum)
115. Subgenus Cyclotus (Millotorbis) Fischer-Piette & Bedoucha, 1965 accepted as Millotorbis Fischer-Piette & Bedoucha, 1965 (unaccepted > superseded combination)
     1. Species Cyclotus (Millotorbis) ankaranae K. C. Emberton, 2004 accepted as Millotorbis ankaranae (K. C. Emberton, 2004) (original combination)
     2. Species Cyclotus (Millotorbis) majungae Fischer-Piette, C. P. Blanc, F. Blanc & Salvat, 1993 accepted as Cyathopoma majungae (Fischer-Piette, C. P. Blanc, F. Blanc & Salvat, 1993) (original combination)
     3. Species Cyclotus (Millotorbis) milloti Fischer-Piette & Bedoucha, 1965 accepted as Millotorbis milloti (Fischer-Piette & Bedoucha, 1965) (original combination)
     4. Species Cyclotus (Millotorbis) uncopercula K. C. Emberton, 1994 accepted as Cyathopoma uncopercula (K. C. Emberton, 1994) (original combination)
116. Subgenus Cyclotus (Nakadaella) Ancey, 1904 accepted as Nakadaella Ancey, 1904
117. Subgenus Cyclotus (Neocyclotus) Crosse & P. Fischer, 1886 accepted as Neocyclotus Crosse & P. Fischer, 1886
     1. Species Cyclotus (Neocyclotus) laxatus (G. B. Sowerby I, 1850) accepted as Aperostoma laxatum (G. B. Sowerby I, 1850) (unaccepted > superseded combination)
118. Subgenus Cyclotus (Opisthoporus) W. H. Benson, 1851 accepted as Opisthoporus W. H. Benson, 1851 (unaccepted > superseded combination)
     1. Species Cyclotus (Opisthoporus) bialatus Möllendorff, 1902 accepted as Opisthoporus bialatus Möllendorff, 1902 (basionym)
     2. Species Cyclotus (Opisthoporus) biciliatus (Mousson, 1849) accepted as Opisthoporus biciliatus (Mousson, 1849) (unaccepted combination)
     3. Species Cyclotus (Opisthoporus) birostris (L. Pfeiffer, 1855) accepted as Opisthoporus birostris (L. Pfeiffer, 1855) (unaccepted combination)
     4. Species Cyclotus (Opisthoporus) cavernae (Godwin-Austen, 1889) accepted as Opisthoporus cavernae (Godwin-Austen, 1889) (unaccepted combination)
     5. Species Cyclotus (Opisthoporus) celebicus P. Sarasin & F. Sarasin, 1899 accepted as Opisthoporus celebicus (P. Sarasin & F. Sarasin, 1899) (basionym)
     6. Species Cyclotus (Opisthoporus) corniculus (Mousson, 1849) accepted as Opisthoporus corniculus (Mousson, 1849) (unaccepted combination)
     7. Species Cyclotus (Opisthoporus) dautzenbergi (Sykes, 1902) accepted as Cyclotus dautzenbergi (Sykes, 1902) (unaccepted combination)
     8. Species Cyclotus (Opisthoporus) euryomphalus (L. Pfeiffer, 1857) accepted as Opisthoporus euryomphalus (L. Pfeiffer, 1857) (unaccepted combination)
     9. Species Cyclotus (Opisthoporus) gwendolenae (Godwin-Austen, 1889) accepted as Cyclotus gwendolenae (Godwin-Austen, 1889) (unaccepted combination)
     10. Species Cyclotus (Opisthoporus) hungerfordi (Godwin-Austen, 1889) accepted as Cyclotus hungerfordi (Godwin-Austen, 1889) (unaccepted combination)
     11. Species Cyclotus (Opisthoporus) iris (Godwin-Austen, 1889) accepted as Cyclotus iris (Godwin-Austen, 1889) (unaccepted combination)
     12. Species Cyclotus (Opisthoporus) kelantanensis Kobelt, 1912 accepted as Opisthoporus dautzenbergi Sykes, 1902 accepted as Cyclotus dautzenbergi (Sykes, 1902) (junior synonym)
     13. Species Cyclotus (Opisthoporus) latistrigus E. von Martens, 1864 accepted as Opisthoporus latistrigus (E. von Martens, 1864) (unaccepted combination)
     14. Species Cyclotus (Opisthoporus) pertusus (Morelet, 1861) accepted as Opisthoporus pertusus (Morelet, 1861) (unaccepted combination)
     15. Species Cyclotus (Opisthoporus) pterocycloides (L. Pfeiffer, 1855) accepted as Cyclotus pterocycloides (L. Pfeiffer, 1855) (unaccepted combination)
     16. Species Cyclotus (Opisthoporus) quadrasi (Hidalgo, 1888) accepted as Opisthoporus quadrasi Hidalgo, 1888 (unaccepted combination)
     17. Species Cyclotus (Opisthoporus) rostellatus (L. Pfeiffer, 1851) accepted as Opisthoporus singaporeanus Low & S. K. Tan, 2017 (unaccepted combination)
     18. Species Cyclotus (Opisthoporus) spiniferus (Morelet, 1861) accepted as Cyclotus spiniferus (Morelet, 1861) (unaccepted combination)
     19. Species Cyclotus (Opisthoporus) sumatranus (E. von Martens, 1864) accepted as Opisthoporus sumatranus E. von Martens, 1864 (unaccepted combination)
     20. Species Cyclotus (Opisthoporus) tubuliferus (L. Pfeiffer, 1854) accepted as Cyclotus tubuliferus (L. Pfeiffer, 1854) (unaccepted combination)
119. Subgenus Cyclotus (Platyrhaphe) Möllendorff, 1890 accepted as Platyrhaphe Möllendorff, 1890 (unaccepted rank)
     1. Species Cyclotus (Platyrhaphe) anocamptus Möllendorff, 1895 accepted as Platyrhaphe anocampta (Möllendorff, 1895) (original combination)
     2. Species Cyclotus (Platyrhaphe) anthopoma Möllendorff, 1895 accepted as Platyrhaphe anthopoma (Möllendorff, 1895) (original combination)
     3. Species Cyclotus (Platyrhaphe) bicolor E. von Martens, 1903 accepted as Platyrhaphe bicolor (E. von Martens, 1903) (original combination)
     4. Species Cyclotus (Platyrhaphe) coptoloma Möllendorff, 1893 accepted as Platyrhaphe coptoloma (Möllendorff, 1893) (original combination)
     5. Species Cyclotus (Platyrhaphe) eurystoma Möllendorff, 1894 accepted as Platyrhaphe eurystoma (Möllendorff, 1894) (original combination)
     6. Species Cyclotus (Platyrhaphe) harucuanus O. Boettger, 1891 accepted as Platyrhaphe harucuana (O. Boettger, 1891) (original combination)
     7. Species Cyclotus (Platyrhaphe) lateplicatus Möllendorff, 1896 accepted as Platyrhaphe lateplicata (Möllendorff, 1896) (original combination)
     8. Species Cyclotus (Platyrhaphe) mammillatus Quadras & Möllendorff, 1893 accepted as Platyrhaphe mammillata (Quadras & Möllendorff, 1893)
     9. Species Cyclotus (Platyrhaphe) minutus H. Adams, 1866 accepted as Platyrhaphe minuta (H. Adams, 1866) (unaccepted combination)
120. Subgenus Cyclotus (Siphonocyclus) Möllendorff, 1900 accepted as Cyclostoma (Opisthoporus) W. H. Benson, 1851 accepted as Opisthoporus W. H. Benson, 1851 (unaccepted > junior subjective synonym)
     1. Species Cyclotus (Siphonocyclus) cochinchinensis (L. Pfeiffer, 1857) accepted as Rhiostoma cochinchinense (L. Pfeiffer, 1857) (unaccepted > superseded combination)
     2. Species Cyclotus (Siphonocyclus) deflexus (Möllendorff, 1897) accepted as Cyclotus (Siphonocyclus) yeni Zilch, 1956 represented as Cyclotus yeni Zilch, 1956 (junior homonym of Cyclotus auriculatus deflexa Möllendorff, 1893)
     3. Species Cyclotus (Siphonocyclus) penangensis (Stoliczka, 1872) accepted as Opisthoporus penangensis Stoliczka, 1872 (unaccepted combination)
     4. Species Cyclotus (Siphonocyclus) pulchellus (Morlet, 1889) accepted as Rhiostoma cambodjense (Morelet, 1875) (unaccepted > junior subjective synonym)
     5. Species Cyclotus (Siphonocyclus) borealis (Möllendorff, 1885) represented as Cyclotus borealis (Möllendorff, 1885)
     6. Species Cyclotus (Siphonocyclus) conoideus Möllendorff, 1902 represented as Cyclotus conoideus Möllendorff, 1902 (basionym)
     7. Species Cyclotus (Siphonocyclus) gordoni (W. H. Benson, 1863) represented as Cyclotus gordoni (W. H. Benson, 1863)
     8. Species Cyclotus (Siphonocyclus) hainanensis (H. Adams, 1870) represented as Cyclotus hainanensis (H. Adams, 1870)
     9. Species Cyclotus (Siphonocyclus) schomburgianus Möllendorff, 1883 represented as Cyclotus schomburgianus Möllendorff, 1883
     10. Species Cyclotus (Siphonocyclus) setosus (Möllendorff, 1894) represented as Cyclotus setosus (Möllendorff, 1894)
     11. Species Cyclotus (Siphonocyclus) siamensis (E. von Martens, 1860) represented as Cyclotus siamensis (E. von Martens, 1860)
     12. Species Cyclotus (Siphonocyclus) simonianus (Heude, 1886) represented as Cyclotus simonianus (Heude, 1886)
     13. Species Cyclotus (Siphonocyclus) solutus (Stoliczka, 1872) represented as Cyclotus solutus (Stoliczka, 1872)
     14. Species Cyclotus (Siphonocyclus) tener (Menke, 1856) represented as Cyclotus tener (Menke, 1856)
     15. Species Cyclotus (Siphonocyclus) yeni Zilch, 1956 represented as Cyclotus yeni Zilch, 1956
121. Species Cyclotus acanthoderma Tapparone Canefri, 1886 accepted as Pseudocyclotus acanthoderma (Tapparone Canefri, 1886) (original combination)
122. Species Cyclotus alabastris Craven, 1881 accepted as Chondrocyclus alabastris (Craven, 1881) (unaccepted > superseded combination)
123. Species Cyclotus amethystinus Guppy, 1868 accepted as Amphicyclotulus amethystinus (Guppy, 1868) (original combination)
124. Species Cyclotus anocamptus Möllendorff, 1895 accepted as Platyrhaphe anocampta (Möllendorff, 1895) (original combination)
125. Species Cyclotus anthopoma Möllendorff, 1895 accepted as Platyrhaphe anthopoma (Möllendorff, 1895) (unaccepted > superseded combination)
126. Species Cyclotus asperulus (G. B. Sowerby I, 1843) accepted as Cyclopilsbrya asperula (G. B. Sowerby I, 1843) (unaccepted > superseded combination)
127. Species Cyclotus bairdianus Chitty, 1857 accepted as Cycladamsia bairdiana (Chitty, 1857) (original combination)
128. Species Cyclotus belfordi Hedley, 1891 accepted as Dominamaria belfordi (Hedley, 1891) (original combination)
129. Species Cyclotus berendti L. Pfeiffer, 1861 accepted as Neocyclotus dysoni berendti (L. Pfeiffer, 1861) (original combination)
130. Species Cyclotus bernardii (L. Pfeiffer, 1862) accepted as Opisthoporus bernardii (L. Pfeiffer, 1862) (unaccepted combination)
131. Species Cyclotus beswicki Chitty, 1857 accepted as Cyclopilsbrya beswicki (Chitty, 1857) (original combination)
132. Species Cyclotus biggsi Schlesch, 1934 accepted as Caspicyclotus sieversi (L. Pfeiffer, 1871) (unaccepted > junior subjective synonym)
133. Species Cyclotus birostris (L. Pfeiffer, 1855) accepted as Opisthoporus birostris (L. Pfeiffer, 1855) (unaccepted combination)
134. Species Cyclotus bisinuatus E. von Martens, 1864 accepted as Neocyclotus bisinuatus (E. von Martens, 1864) (unaccepted > superseded combination)
135. Species Cyclotus bogotensis (L. Pfeiffer, 1855) accepted as Aperostoma bogotense (L. Pfeiffer, 1855) (unaccepted > superseded combination)
136. Species Cyclotus bongaoensis E. A. Smith, 1894 accepted as Platyrhaphe bongaoensis (E. A. Smith, 1894) (original combination)
137. Species Cyclotus boucardi Angas, 1878 accepted as Barbacyclus boucardi (Angas, 1878) (original combination)
138. Species Cyclotus bourguignati Doumet-Adanson, 1885 accepted as Caspicyclotus sieversi (L. Pfeiffer, 1871) (junior synonym)
139. Species Cyclotus celebensis E. A. Smith, 1896 accepted as Pterocyclos celebensis (E. A. Smith, 1896) (original combination)
140. Species Cyclotus charmian F. W. Hutton, 1883 accepted as Gonatorhaphe fornicata (L. Pfeiffer, 1854)
141. Species Cyclotus cinctus F. E. Edwards, 1852 † accepted as Bembridgia cincta (F. E. Edwards, 1852) † (unaccepted > superseded combination)
142. Species Cyclotus cingulatus (G. B. Sowerby I, 1843) accepted as Aperostoma cingulatum (G. B. Sowerby I, 1843) (unaccepted > superseded combination)
143. Species Cyclotus cochinchinensis (L. Pfeiffer, 1857) accepted as Rhiostoma cochinchinense (L. Pfeiffer, 1857) (unaccepted > superseded combination)
144. Species Cyclotus conicus E. von Martens, 1860 accepted as Lagocheilus conicus (E. von Martens, 1860) (original combination)
145. Species Cyclotus conoideus (L. Pfeiffer, 1846) accepted as Cyclotopsis conoidea (L. Pfeiffer, 1846) (unaccepted > superseded combination)
146. Species Cyclotus cooperi Tryon, 1863 accepted as Dicrista cooperi (Tryon, 1863) (original combination)
147. Species Cyclotus coquandi [sic] † accepted as Bembridgia elegantilites (Boubée, 1831) † (junior subjective synonym; incorrect subsequent spelling)
148. Species Cyclotus corniculus (Mousson, 1849) accepted as Opisthoporus corniculus (Mousson, 1849)
149. Species Cyclotus corpulentus E. A. Smith, 1878 accepted as Neocyclotus corpulentus (E. A. Smith, 1878) (original combination)
150. Species Cyclotus corrugatior Chitty, 1857 accepted as Poteria corrugatior (Chitty, 1857) (original combination)
151. Species Cyclotus corrugatissimus Chitty, 1857 accepted as Poteria corrugatissima (Chitty, 1857) (original combination)
152. Species Cyclotus corrugatus (Menke, 1829) sensu Chitty, 1857 accepted as Cyclochittya magister (Bartsch, 1942)
153. Species Cyclotus crassus (C. B. Adams, 1851) accepted as Poteria crassa (C. B. Adams, 1851) (unaccepted > superseded combination)
154. Species Cyclotus cycloatus Chitty, 1857 accepted as Poteria lineata (Gray, 1850)
155. Species Cyclotus dautzenbergi de Morgan, 1886 accepted as Cyclotus solutus solutus (Stoliczka, 1872) (unaccepted > junior subjective synonym)
156. Species Cyclotus deburghaeanus Chitty, 1857 accepted as Cycladamsia seminuda (C. B. Adams, 1851) (original combination; junior synonym)
157. Species Cyclotus deflexus (Möllendorff, 1897) accepted as Cyclotus (Siphonocyclus) yeni Zilch, 1956 represented as Cyclotus yeni Zilch, 1956 (junior homonym of Cyclotus auriculatus deflexa Möllendorff, 1893)
158. Species Cyclotus dentistigmatus Chitty, 1857 accepted as Cyclochittya dentistigmata (Chitty, 1857) (original combination)
159. Species Cyclotus dunkeri L. Pfeiffer, 1857 accepted as Incidostoma dunkeri (L. Pfeiffer, 1857) (original combination)
160. Species Cyclotus dysoni (L. Pfeiffer, 1851) accepted as Neocyclotus dysoni (L. Pfeiffer, 1851) (unaccepted > superseded combination)
161. Species Cyclotus erroneus Heude, 1890 accepted as Platyrhaphe (Platyrhaphe) erronea (Heude, 1890) represented as Platyrhaphe erronea (Heude, 1890) (original combination)
162. Species Cyclotus euryomphalus (L. Pfeiffer, 1857) accepted as Opisthoporus euryomphalus (L. Pfeiffer, 1857) (unaccepted combination)
163. Species Cyclotus eurystoma Möllendorff, 1894 accepted as Platyrhaphe eurystoma (Möllendorff, 1894) (unaccepted > superseded combination)
164. Species Cyclotus exaratus F. Sandberger, 1870 † accepted as Palaeocyclotus exaratus (F. Sandberger, 1870) † (unaccepted > superseded combination)
165. Species Cyclotus filoliratus G. B. Sowerby III, 1892 accepted as Aperostoma filoliratum (G. B. Sowerby III, 1892) (original combination)
166. Species Cyclotus fischeri Hidalgo, 1867 accepted as Aperostoma fischeri (Hidalgo, 1867) (original combination)
167. Species Cyclotus fodiens Heude, 1882 accepted as Platyrhaphe (Platyrhaphe) fodiens (Heude, 1882) represented as Platyrhaphe fodiens (Heude, 1882) (original combination)
168. Species Cyclotus fossor Heude, 1886 accepted as Platyrhaphe fossor (Heude, 1886) (original combination)
169. Species Cyclotus gemma Chitty, 1857 accepted as Poteria gemma (Chitty, 1857) (original combination)
170. Species Cyclotus giganteus (Reeve, 1842) accepted as Aperostoma giganteum (Reeve, 1842) accepted as Incidostoma giganteum (Reeve, 1842) (unaccepted > superseded combination)
171. Species Cyclotus gradatus Möllendorff, 1894 accepted as Platyrhaphe gradata (Möllendorff, 1894) (original combination)
172. Species Cyclotus granadensis (Shuttleworth, 1857) accepted as Neocyclotus granadensis (Shuttleworth, 1857) (unaccepted combination)
173. Species Cyclotus granulatus L. Pfeiffer, 1863 accepted as Neocyclotus granulatus (L. Pfeiffer, 1863) (original combination)
174. Species Cyclotus grenadensis (Shuttleworth, 1857) accepted as Neocyclotus granadensis (Shuttleworth, 1857) (misspelling of original name)
175. Species Cyclotus herzi O. Boettger, 1889 accepted as Caspicyclotus sieversi (L. Pfeiffer, 1871) (junior synonym)
176. Species Cyclotus hirasei Pilsbry, 1901 accepted as Platyrhaphe hirasei (Pilsbry, 1901) (original combination)
177. Species Cyclotus horridus Hedley, 1891 accepted as Dominamaria horrida (Hedley, 1891) (original combination)
178. Species Cyclotus hunanensis Gredler, 1881 accepted as Platyrhaphe hunana (Gredler, 1881) (incorrect subsequent spelling)
179. Species Cyclotus hunanus Gredler, 1881 accepted as Platyrhaphe (Platyrhaphe) hunana (Gredler, 1881) represented as Platyrhaphe hunana (Gredler, 1881) (original combination)
180. Species Cyclotus hungerfordianus Möllendorff, 1887 accepted as Platyrhaphe lowi lowi (de Morgan, 1885) (junior synonym)
181. Species Cyclotus illotus A. Gould, 1859 accepted as Platyrhaphe illota (A. Gould, 1859) (original combination)
182. Species Cyclotus inca (A. d'Orbigny, 1835) accepted as Aperostoma inca (A. d'Orbigny, 1835) (unaccepted > superseded combination)
183. Species Cyclotus incomptus Reeve, 1863 accepted as Incidostoma hedui (Bartsch & J. P. E. Morrison, 1942) (secondary homonym of Cyclostoma incomptum G. B. Sowerby, 1850; Aperostoma hedui is a replacement name)
184. Species Cyclotus inutilis Chitty, 1857 accepted as Poteria inutilis (Chitty, 1857) (original combination)
185. Species Cyclotus irregularis (L. Pfeiffer, 1855) accepted as Incidostoma irregulare (L. Pfeiffer, 1855) (unaccepted > superseded combination)
186. Species Cyclotus isipingoensis Sturany, 1898 accepted as Afrocyclus isipingoensis (Sturany, 1898) (original combination)
187. Species Cyclotus jugosus (C. B. Adams, 1851) accepted as Cyclopilsbrya jugosa (C. B. Adams, 1851) (unaccepted > superseded combination)
188. Species Cyclotus kalryenense W. T. Blanford & H. F. Blanford, 1861 accepted as Cyathopoma kalryenense (W. T. Blanford & H. F. Blanford, 1861) (original combination)
189. Species Cyclotus kowaldi Hedley, 1891 accepted as Dominamaria kowaldi (Hedley, 1891) (original combination)
190. Species Cyclotus laevigatus F. Sandberger, 1870 † accepted as Procyclotopsis laevigata (F. Sandberger, 1870) † (unaccepted > superseded combination)
191. Species Cyclotus latecostatus Kobelt, 1884 accepted as Platyrhaphe latecostata (Kobelt, 1884) (unaccepted combination)
192. Species Cyclotus lateplicatus Möllendorff, 1896 accepted as Platyrhaphe lateplicata (Möllendorff, 1896) (unaccepted > superseded combination)
193. Species Cyclotus latistrigus E. von Martens, 1864 accepted as Opisthoporus latistrigus (E. von Martens, 1864) (original combination)
194. Species Cyclotus lineatus Gray, 1850 accepted as Poteria lineata (Gray, 1850) (original combination)
195. Species Cyclotus linitus Godwin-Austen, 1889 accepted as Platyrhaphe linita (Godwin-Austen, 1889) (original combination)
196. Species Cyclotus liratulus E. von Martens, 1864 accepted as Pseudocyclotus liratulus (E. von Martens, 1864) (original combination)
197. Species Cyclotus lubricus (Dautzenberg & Fischer, 1908) accepted as Opisthoporus lubricus Dautzenberg & H. Fischer, 1908
198. Species Cyclotus major E. von Martens, 1872 accepted as Cyclotus meyeri P. Sarasin & F. Sarasin, 1899 (not Martens, 1864)
199. Species Cyclotus malabaricus W. T. Blanford & H. F. Blanford, 1860 accepted as Cyathopoma malabaricum (W. T. Blanford & H. F. Blanford, 1860) (original combination)
200. Species Cyclotus martensi Maltzan, 1888 accepted as Rolleia martensi (Maltzan, 1888) (original combination)
201. Species Cyclotus micron Pilsbry, 1900 accepted as Nakadaella micron (Pilsbry, 1900) (original combination)
202. Species Cyclotus minimus L. Pfeiffer, 1859 accepted as Ceratodiscus minimus (L. Pfeiffer, 1859) (original combination)
203. Species Cyclotus minor E. A. Smith, 1894 accepted as Cyclotus smithi Kobelt, 1902 (junior secondary homonym of Cyclotus minor (E. von Martens, 1872))
204. Species Cyclotus minutus H. Adams, 1866 accepted as Platyrhaphe minuta (H. Adams, 1866)
205. Species Cyclotus mucronatus (G. B. Sowerby I, 1843) (unaccepted, unaccepted combination)
206. Species Cyclotus natalensis L. Pfeiffer, 1861 (unaccepted, original combination)
207. Species Cyclotus nodosus Chitty, 1857 (unaccepted, original combination)
208. Species Cyclotus notatior Chitty, 1857 (unaccepted, original combination)
209. Species Cyclotus notatus Chitty, 1857 (unaccepted, original combination)
210. Species Cyclotus novaespei Chitty, 1857 (unaccepted > superseded combination)
211. Species Cyclotus novussaltus Chitty, 1857 (unaccepted)
212. Species Cyclotus nudus F. E. Edwards, 1852 † (unaccepted > superseded combination)
213. Species Cyclotus nudus Pilsbry & Hirase, 1904 (unaccepted, original combination and rank)
214. Species Cyclotus obtusicosta F. Sandberger, 1870 † (unaccepted > superseded combination)
215. Species Cyclotus pallescens (C. B. Adams, 1851) (unaccepted > superseded combination)
216. Species Cyclotus papuanus Kobelt, 1911 (unaccepted, junior synonym)
217. Species Cyclotus parvulus E. von Martens, 1863 (unaccepted, original combination)
218. Species Cyclotus pazi Crosse, 1866 (unaccepted, original combination)
219. Species Cyclotus perdistinctus L. Pfeiffer, 1858 (unaccepted > superseded combination)
220. Species Cyclotus perezi Hidalgo, 1866 (unaccepted, original combination)
221. Species Cyclotus plicosus E. von Martens, 1863 (unaccepted, original combination)
222. Species Cyclotus poirieri Tapparone Canefri, 1883 (unaccepted, original combination)
223. Species Cyclotus popayanus (I. Lea, 1838) (unaccepted > superseded combination)
224. Species Cyclotus portlandensis Chitty, 1857 (unaccepted, original combination; junior synonym)
225. Species Cyclotus portoricensis O. Boettger, 1887 (unaccepted, original combination)
226. Species Cyclotus pretiosus Chitty, 1857 (unaccepted, original combination; junior synonym)
227. Species Cyclotus primaevus F. Sandberger, 1870 † (unaccepted > superseded combination)
228. Species Cyclotus primigenius Matheron, 1888 † (unaccepted > superseded combination)
229. Species Cyclotus prominulus (A. d'Orbigny, 1837) (unaccepted > superseded combination)
230. Species Cyclotus ptychoraphe E. von Martens, 1864 (unaccepted, original combination)
231. Species Cyclotus ptychorhaphe E. von Martens, 1864 (unaccepted, unjustified emendation to original name, Cyclostus ptychoraphe Martens, 1864)
232. Species Cyclotus pulchellus (Morlet, 1889) (unaccepted > junior subjective synonym)
233. Species Cyclotus pusillus (G. B. Sowerby I, 1843) (unaccepted, unaccepted combination)
234. Species Cyclotus quitensis L. Pfeiffer, 1852 (unaccepted > superseded combination)
235. Species Cyclotus ruber Chitty, 1857 (unaccepted, original combination)
236. Species Cyclotus rudisplanusque Chitty, 1857 (unaccepted, original combination)
237. Species Cyclotus rugatellus Tapparone Canefri, 1883 (unaccepted, original combination)
238. Species Cyclotus rugatus Guppy, 1864 (unaccepted > superseded combination)
239. Species Cyclotus rupisfontis Chitty, 1857 (unaccepted, original combination)
240. Species Cyclotus scalaris K. Miller, 1907 † (unaccepted > junior homonym, junior objective homonym of Cyclotus scalaris Pfeiffer, 1852)
241. Species Cyclotus scalaris L. Pfeiffer, 1852 (unaccepted > superseded combination, basionym)
242. Species Cyclotus seducensis P. Sarasin & F. Sarasin, 1899 (unaccepted, nom. nov. pro Pterocyclus minor Martens, 1872 (becomes the accepted name if the former is found to be invalid))
243. Species Cyclotus sieversi L. Pfeiffer, 1871 (unaccepted > superseded combination)
244. Species Cyclotus stramineus (G. B. Sowerby I, 1843) (unaccepted, unaccepted combination)
245. Species Cyclotus subcanaliculatus Schepman, 1918 (unaccepted, junior synonym)
246. Species Cyclotus swinhoei H. Adams, 1866 (unaccepted, original combination)
247. Species Cyclotus tanegashimanus Pilsbry & Y. Hirase, 1908 (unaccepted, original combination and rank)
248. Species Cyclotus trailli L. Pfeiffer, 1862 (unaccepted, basionym)
249. Species Cyclotus translucidus (G. B. Sowerby I, 1843) (unaccepted > superseded combination)
250. Species Cyclotus trinitensis Guppy, 1864 (unaccepted > superseded combination)
251. Species Cyclotus tristis Tapparone Canefri, 1883 (unaccepted, original combination)
252. Species Cyclotus tunicatus Tapparone Canefri, 1886 (unaccepted, original combination)
253. Species Cyclotus umbraticus van Benthem Jutting, 1949 (unaccepted, original combination)
254. Species Cyclotus varians (C. B. Adams, 1851) (unaccepted > superseded combination)
255. Species Cyclotus volvuloides (G. B. Sowerby I, 1850) (unaccepted, unaccepted combination)
256. Species Cyclotus westmorelandensis Chitty, 1857 (unaccepted, original combination)
257. Species Cyclotus wuellerstorfianus Zelebor, 1867 (unaccepted, original combination)
258. Species Cyclotus zigzag Chitty, 1857 (unaccepted, original combination)
259. Subgenus Cyclotus (Aulacopoma) Möllendorff, 1897 (alternative representation)
     1. Species Cyclotus (Aulacopoma) boxalli Godwin-Austen, 1889 represented as Cyclotus boxalli Godwin-Austen, 1889
     2. Species Cyclotus (Aulacopoma) labuanensis (L. Pfeiffer, 1864) represented as Cyclotus labuanensis (L. Pfeiffer, 1864)
260. Subgenus Cyclotus (Caspicyclotus) Forcart, 1935 represented as Caspicyclotus Forcart, 1935
     1. Species Cyclotus (Caspicyclotus) biggsi Schlesch, 1934 accepted as Caspicyclotus sieversi (L. Pfeiffer, 1871) (unaccepted > junior subjective synonym)
261. Subgenus Cyclotus (Cyclotus) Swainson, 1840 represented as Cyclotus Swainson, 1840
     1. Species Cyclotus (Cyclotus) volvuloides (G. B. Sowerby I, 1850) accepted as Tropidophora semidecussata var. volvuloides (G. B. Sowerby I, 1850) accepted as Tropidophora semidecussata (L. Pfeiffer, 1847) (unaccepted combination)
     2. Species Cyclotus (Cyclotus) angulatus E. von Martens, 1874 represented as Cyclotus angulatus E. von Martens, 1874
     3. Species Cyclotus (Cyclotus) atratus Ancey, 1890 represented as Cyclotus atratus Ancey, 1890
     4. Species Cyclotus (Cyclotus) auriculatus Kobelt, 1884 represented as Cyclotus auriculatus Kobelt, 1884
     5. Species Cyclotus (Cyclotus) batchianensis L. Pfeiffer, 1861 represented as Cyclotus batchianensis L. Pfeiffer, 1861
     6. Species Cyclotus (Cyclotus) bernsteini E. von Martens, 1863 represented as Cyclotus bernsteini E. von Martens, 1863
     7. Species Cyclotus (Cyclotus) biangulatus E. von Martens, 1891 represented as Cyclotus biangulatus E. von Martens, 1891
     8. Species Cyclotus (Cyclotus) bonensis P. Sarasin & F. Sarasin, 1899 represented as Cyclotus bonensis P. Sarasin & F. Sarasin, 1899
     9. Species Cyclotus (Cyclotus) buginensis P. Sarasin & F. Sarasin, 1899 represented as Cyclotus buginensis P. Sarasin & F. Sarasin, 1899
     10. Species Cyclotus (Cyclotus) caroli Kobelt, 1884 represented as Cyclotus caroli Kobelt, 1884
     11. Species Cyclotus (Cyclotus) euzonus Dohrn, 1889 represented as Cyclotus euzonus Dohrn, 1889
     12. Species Cyclotus (Cyclotus) fasciatus E. von Martens, 1864 represented as Cyclotus fasciatus E. von Martens, 1864
     13. Species Cyclotus (Cyclotus) floresianus E. von Martens, 1891 represented as Cyclotus floresianus E. von Martens, 1891
     14. Species Cyclotus (Cyclotus) jellesmae P. Sarasin & F. Sarasin, 1899 represented as Cyclotus jellesmae P. Sarasin & F. Sarasin, 1899
     15. Species Cyclotus (Cyclotus) latruncularius P. Sarasin & F. Sarasin, 1899 represented as Cyclotus latruncularius P. Sarasin & F. Sarasin, 1899
     16. Species Cyclotus (Cyclotus) lowianus (L. Pfeiffer, 1864) represented as Cyclotus lowianus (L. Pfeiffer, 1864)
     17. Species Cyclotus (Cyclotus) mindaiensis (Bock, 1881) represented as Cyclotus mindaiensis (Bock, 1881)
     18. Species Cyclotus (Cyclotus) mindoricus Quadras & Möllendorff, 1896 represented as Cyclotus mindoricus Quadras & Möllendorff, 1896
     19. Species Cyclotus (Cyclotus) minor (E. von Martens, 1872) represented as Cyclotus minor (E. von Martens, 1873)
     20. Species Cyclotus (Cyclotus) nigrispirus P. Sarasin & F. Sarasin, 1899 represented as Cyclotus nigrispirus P. Sarasin & F. Sarasin, 1899
     21. Species Cyclotus (Cyclotus) palawanicus E. A. Smith, 1895 represented as Cyclotus palawanicus E. A. Smith, 1895
     22. Species Cyclotus (Cyclotus) pruinosus E. von Martens, 1863 represented as Cyclotus pruinosus E. von Martens, 1863
     23. Species Cyclotus (Cyclotus) pyrostoma E. A. Smith, 1896 represented as Cyclotus pyrostoma E. A. Smith, 1896
     24. Species Cyclotus (Cyclotus) semiliratus Möllendorff, 1896 represented as Cyclotus semiliratus Möllendorff, 1896
     25. Species Cyclotus (Cyclotus) smithi Kobelt, 1902 represented as Cyclotus smithi Kobelt, 1902
     26. Species Cyclotus (Cyclotus) sulcatus Möllendorff, 1890 represented as Cyclotus sulcatus Möllendorff, 1890
     27. Species Cyclotus (Cyclotus) trusanensis Godwin-Austen, 1889 represented as Cyclotus trusanensis Godwin-Austen, 1889
     28. Species Cyclotus (Cyclotus) variegatus Swainson, 1840 represented as Cyclotus variegatus Swainson, 1840
262. Subgenus Cyclotus (Procyclotus) P. Fischer, 1891 represented as Cyclotus Swainson, 1840
     1. Species Cyclotus (Procyclotus) biggsi Schlesch, 1934 accepted as Caspicyclotus sieversi (L. Pfeiffer, 1871) (unaccepted > junior subjective synonym)
     2. Species Cyclotus (Procyclotus) bourguignati Doumet-Adanson, 1885 accepted as Caspicyclotus sieversi (L. Pfeiffer, 1871) (junior synonym)
     3. Species Cyclotus (Procyclotus) herzi O. Boettger, 1889 accepted as Caspicyclotus sieversi (L. Pfeiffer, 1871) (junior synonym)
     4. Species Cyclotus (Procyclotus) porrectus Möllendorff, 1898 accepted as Cyclotus porrectus Möllendorff, 1898 (basionym)
     5. Species Cyclotus (Procyclotus) sieversi L. Pfeiffer, 1871 accepted as Caspicyclotus sieversi (L. Pfeiffer, 1871)
     6. Species Cyclotus (Procyclotus) approximans Heude, 1882 represented as Cyclotus approximans Heude, 1882
     7. Species Cyclotus (Procyclotus) campanulatus E. von Martens, 1865 represented as Cyclotus campanulatus E. von Martens, 1865
     8. Species Cyclotus (Procyclotus) chinensis (L. Pfeiffer, 1855) represented as Cyclotus chinensis (L. Pfeiffer, 1855)
     9. Species Cyclotus (Procyclotus) danieli (Morlet, 1886) represented as Cyclotus danieli (Morlet, 1886)
     10. Species Cyclotus (Procyclotus) difficillimus Schmacker & O. Boettger, 1890 represented as Cyclotus difficillimus Schmacker & O. Boettger, 1890
     11. Species Cyclotus (Procyclotus) fortunei L. Pfeiffer, 1852 represented as Cyclotus fortunei L. Pfeiffer, 1852
     12. Species Cyclotus (Procyclotus) gassiesianus Crosse, 1867 represented as Cyclotus gassiesianus Crosse, 1867
     13. Species Cyclotus (Procyclotus) lindstedti (L. Pfeiffer, 1857) represented as Cyclotus lindstedti (L. Pfeiffer, 1857)
     14. Species Cyclotus (Procyclotus) microchilus (Crosse, 1868) represented as Cyclotus microchilus (Crosse, 1868)
     15. Species Cyclotus (Procyclotus) simplicissimus B. Rensch, 1933 represented as Cyclotus simplicissimus B. Rensch, 1933
     16. Species Cyclotus (Procyclotus) stenomphalus Heude, 1882 represented as Cyclotus stenomphalus Heude, 1882
     17. Species Cyclotus (Procyclotus) taivanus H. Adams, 1870 represented as Cyclotus taivanus H. Adams, 1870
     18. Species Cyclotus (Procyclotus) tourannensis (Souleyet, 1852) represented as Cyclotus tourannensis (Souleyet, 1852)
     19. Species Cyclotus (Procyclotus) tubaeformis Möllendorff, 1882 represented as Cyclotus tubaeformis Möllendorff, 1882
263. Subgenus Cyclotus (Pseudocyclophorus) Möllendorff, 1890 represented as Cyclotus Swainson, 1840
     1. Species Cyclotus (Pseudocyclophorus) angustatus E. von Martens, 1908 accepted as Cyclotus politus (G. B. Sowerby I, 1843) (junior synonym)
     2. Species Cyclotus (Pseudocyclophorus) euryomphalus Kobelt, 1897 accepted as Cyclotus (Pseudocyclophorus) dohrni Kobelt, 1902 represented as Cyclotus dohrni Kobelt, 1902 (senior homonym of C. euryomphalus L. Pfeiffer, 1856)
     3. Species Cyclotus (Pseudocyclophorus) lombockensis E. A. Smith, 1898 accepted as Cyclotus lombockensis E. A. Smith, 1898 (basionym)
     4. Species Cyclotus (Pseudocyclophorus) major E. von Martens, 1872 accepted as Cyclotus (Pseudocyclophorus) meyeri P. Sarasin & F. Sarasin, 1899 represented as Cyclotus meyeri P. Sarasin & F. Sarasin, 1899 (not Martens, 1864)
     5. Species Cyclotus (Pseudocyclophorus) amboinensis (L. Pfeiffer, 1854) represented as Cyclotus amboinensis (L. Pfeiffer, 1854)
     6. Species Cyclotus (Pseudocyclophorus) canaliculatus Möllendorff, 1895 represented as Cyclotus canaliculatus Möllendorff, 1895
     7. Species Cyclotus (Pseudocyclophorus) carinornatus Bollinger, 1918 represented as Cyclotus carinornatus Bollinger, 1918
     8. Species Cyclotus (Pseudocyclophorus) cyclophoroides Möllendorff, 1890 represented as Cyclotus cyclophoroides Möllendorff, 1890
     9. Species Cyclotus (Pseudocyclophorus) dimidiatus Kobelt, 1897 represented as Cyclotus dimidiatus Kobelt, 1896
     10. Species Cyclotus (Pseudocyclophorus) discoideus (G. B. Sowerby I, 1843) represented as Cyclotus discoideus (G. B. Sowerby I, 1843)
     11. Species Cyclotus (Pseudocyclophorus) distomellus (G. B. Sowerby I, 1843) represented as Cyclotus distomellus (G. B. Sowerby I, 1843)
     12. Species Cyclotus (Pseudocyclophorus) dohrni Kobelt, 1902 represented as Cyclotus dohrni Kobelt, 1902
     13. Species Cyclotus (Pseudocyclophorus) fulminulatus E. von Martens, 1865 represented as Cyclotus fulminulatus E. von Martens, 1865
     14. Species Cyclotus (Pseudocyclophorus) guttatus (L. Pfeiffer, 1853) represented as Cyclotus guttatus (L. Pfeiffer, 1853)
     15. Species Cyclotus (Pseudocyclophorus) hebraicus (Lesson, 1831) represented as Cyclotus hebraicus (Lesson, 1831)
     16. Species Cyclotus (Pseudocyclophorus) leytensis Möllendorff, 1890 represented as Cyclotus leytensis Möllendorff, 1890
     17. Species Cyclotus (Pseudocyclophorus) liratus Möllendorff, 1902 represented as Cyclotus liratus Möllendorff, 1902
     18. Species Cyclotus (Pseudocyclophorus) longipilus E. von Martens, 1865 represented as Cyclotus longipilus E. von Martens, 1865
     19. Species Cyclotus (Pseudocyclophorus) macassaricus P. Sarasin & F. Sarasin, 1899 represented as Cyclotus macassaricus P. Sarasin & F. Sarasin, 1899
     20. Species Cyclotus (Pseudocyclophorus) meyeri P. Sarasin & F. Sarasin, 1899 represented as Cyclotus meyeri P. Sarasin & F. Sarasin, 1899
     21. Species Cyclotus (Pseudocyclophorus) natunensis E. A. Smith, 1894 represented as Cyclotus natunensis E. A. Smith, 1894
     22. Species Cyclotus (Pseudocyclophorus) novoguineensis Tapparone Canefri, 1883 represented as Cyclotus novoguineensis Tapparone Canefri, 1883
     23. Species Cyclotus (Pseudocyclophorus) pandarus P. Sarasin & F. Sarasin, 1899 represented as Cyclotus pandarus P. Sarasin & F. Sarasin, 1899
     24. Species Cyclotus (Pseudocyclophorus) politus (G. B. Sowerby I, 1843) represented as Cyclotus politus (G. B. Sowerby I, 1843)
     25. Species Cyclotus (Pseudocyclophorus) pulchellus Möllendorff, 1902 represented as Cyclotus pulchellus Möllendorff, 1902
     26. Species Cyclotus (Pseudocyclophorus) reticulatus E. von Martens, 1864 represented as Cyclotus reticulatus E. von Martens, 1864
     27. Species Cyclotus (Pseudocyclophorus) subflammulatus L. Pfeiffer, 1861 represented as Cyclotus subflammulatus L. Pfeiffer, 1861
     28. Species Cyclotus (Pseudocyclophorus) succinctus E. von Martens, 1864 represented as Cyclotus succinctus E. von Martens, 1864
     29. Species Cyclotus (Pseudocyclophorus) suluanus E. A. Smith, 1894 represented as Cyclotus suluanus E. A. Smith, 1894
     30. Species Cyclotus (Pseudocyclophorus) vicinus E. A. Smith, 1896 represented as Cyclotus vicinus E. A. Smith, 1896
264. Species Cyclotus beilanensis Preston, 1913 (uncertain > taxon inquirendum)
265. Species Cyclotus bicarinatus E. von Martens, 1864 (uncertain > taxon inquirendum)
266. Species Cyclotus carinulatus E. von Martens, 1864 (uncertain > taxon inquirendum)
267. Species Cyclotus discoideus F. Haas, 1912 (uncertain > taxon inquirendum)
268. Species Cyclotus filoliratus G. B. Sowerby III, 1892 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
269. Species Cyclotus grohi (Thach & F. Huber, 2018) (uncertain > taxon inquirendum, debated synonym)
270. Species Cyclotus harryleei (Thach & F. Huber, 2018) (uncertain > taxon inquirendum, debated synonym)
271. Species Cyclotus obesus E. von Martens, 1863 (uncertain > taxon inquirendum)
272. Species Cyclotus pulchellus Möllendorff, 1902 (uncertain > taxon inquirendum, junior secondary homonym, no replacement name has been proposed)
273. Species Cyclotus soembaensis Schepman, 1892 (uncertain > taxon inquirendum)
274. Species Cyclotus subpictus Sinzov, 1877 † (uncertain > taxon inquirendum)

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