1. Species Triphora abacoensis Rolán & Redfern, 2008
2. Species Triphora abrupta Dall, 1881
3. Species Triphora acicula Issel, 1869
4. Species Triphora acuta (Kiener, 1841)
5. Species Triphora adamsi Bartsch, 1907 (accepted > unreplaced junior homonym)
6. Species Triphora aequatorialis Thiele, 1925
7. Species Triphora aethiopica Thiele, 1925
8. Species Triphora affinis Hinds, 1843
9. Species Triphora affinis Deshayes, 1865 †
10. Species Triphora africana Bartsch, 1915
11. Species Triphora agulhasensis Thiele, 1925
12. Species Triphora albanoi Bakker & Swinnen, 2021
13. Species Triphora alboapicata Thiele, 1930
14. Species Triphora alexandri Tomlin, 1931
15. Species Triphora alternata C. B. Adams, 1852
16. Species Triphora ambigua Deshayes, 1864 †
17. Species Triphora amicorum Rolán & Fernández-Garcés, 2008
18. Species Triphora amoena Hervier, 1898
19. Species Triphora angustissima Deshayes, 1863
20. Species Triphora antwerpiensis Marquet, 1996 †
21. Species Triphora aporema Rehder, 1980
22. Species Triphora armandoi Espinosa & Ortea, 2020
23. Species Triphora arrondoi Fernández-Garcés, Rolán & Espinosa, 2020
24. Species Triphora aspera Deshayes, 1864 †
25. Species Triphora atea Bartsch, 1915
26. Species Triphora atlantica E. A. Smith, 1890
27. Species Triphora atomus Issel, 1869
28. Species Triphora aurea Hervier, 1898
29. Species Triphora bacillus Deshayes, 1864 †
30. Species Triphora bactron Barnard, 1963
31. Species Triphora bacula Barnard, 1963
32. Species Triphora bantamensis Oostingh, 1933 †
33. Species Triphora bartschi Olsson, 1916 †
34. Species Triphora bathyraphe E. A. Smith, 1890
35. Species Triphora benoisti Cossmann, 1906 †
36. Species Triphora bicincta Odhner, 1917
37. Species Triphora bicolor Pease, 1868 (accepted > unreplaced junior homonym)
38. Species Triphora bigranosa Koenen, 1891 †
39. Species Triphora bilineata O. Meyer, 1886 † (accepted > unreplaced junior homonym, junior homonym of Triforis bilineata Benoist, 1874)
40. Species Triphora borealis Kautsky, 1925 †
41. Species Triphora bruguieri (Michelotti, 1847) †
42. Species Triphora brunnea Pease, 1871
43. Species Triphora brunnescens Thiele, 1930
44. Species Triphora burnupi E. A. Smith, 1910
45. Species Triphora buscheri Landau, Ceulemans & Van Dingenen, 2018 †
46. Species Triphora callipyrga Bartsch, 1907
47. Species Triphora calva Faber & Moolenbeek, 1991
48. Species Triphora calypsonis Maury, 1917 †
49. Species Triphora candida Hinds, 1843
50. Species Triphora capensis Bartsch, 1915
51. Species Triphora caribbeana Weisbord, 1962 †
52. Species Triphora carpenteri Bartsch, 1907
53. Species Triphora castaneofusca Thiele, 1930
54. Species Triphora catalinensis Bartsch, 1907
55. Species Triphora cerea E. A. Smith, 1906
56. Species Triphora chamberlini F. Baker, 1926
57. Species Triphora charybdis M. Fernandes & Pimenta, 2015
58. Species Triphora chathamensis Bartsch, 1907
59. Species Triphora chauvereauensis Landau, Ceulemans & Van Dingenen, 2018 †
60. Species Triphora chrysolitha Kay, 1979
61. Species Triphora cincta Kaunhowen, 1898 † (accepted > unreplaced junior homonym, invalid; based on preoccupied original name)
62. Species Triphora clarae O. Boettger, 1902 †
63. Species Triphora clio Hedley, 1899
64. Species Triphora coelebs Hinds, 1843
65. Species Triphora coetiviensis Melvill, 1909
66. Species Triphora collaris Hinds, 1843
67. Species Triphora concatenata Melvill, 1904
68. Species Triphora concinna Hinds, 1843
69. Species Triphora contrerari F. Baker, 1926
70. Species Triphora convexa E. A. Smith, 1904
71. Species Triphora cookeana F. Baker & Spicer, 1935
72. Species Triphora costata Pease, 1871
73. Species Triphora costulata Deshayes, 1864 †
74. Species Triphora crassicrenata Cossmann & Pissarro, 1901 †
75. Species Triphora cylindrella Dall, 1881
76. Species Triphora cylindrica Pease, 1871
77. Species Triphora dagama Barnard, 1963
78. Species Triphora dalli Bartsch, 1907
79. Species Triphora delicatula (Thiele, 1912)
80. Species Triphora dilecta Thiele, 1925
81. Species Triphora diozodes Cossmann, 1889 †
82. Species Triphora distincta Deshayes, 1863
83. Species Triphora distincta O. Meyer, 1886 † (accepted > unreplaced junior homonym)
84. Species Triphora dives Thiele, 1925
85. Species Triphora dux O. Boettger, 1907 †
86. Species Triphora earlei Kay, 1979
87. Species Triphora ellyae De Jong & Coomans, 1988
88. Species Triphora elsa Bartsch, 1915
89. Species Triphora elvirae De Jong & Coomans, 1988
90. Species Triphora escondidensis F. Baker, 1926
91. Species Triphora eucharis Rehder, 1980
92. Species Triphora eugeniae O. Boettger, 1902 †
93. Species Triphora evermanni F. Baker, 1926
94. Species Triphora excellens E. A. Smith, 1903
95. Species Triphora excolpus Bartsch, 1907
96. Species Triphora exilis (Dunker, 1860)
97. Species Triphora exomilisca Rehder, 1980
98. Species Triphora fernandezgarcesi Landau, Ceulemans & Van Dingenen, 2018 †
99. Species Triphora fontasensis Doncieux, 1908 †
100. Species Triphora formosa Deshayes, 1863
101. Species Triphora fossilis Willett, 1937 †
102. Species Triphora freixiensis Landau, Bakker & C. M. Silva, 2023 †
103. Species Triphora fucata Pease, 1861
104. Species Triphora fuscoapicata G. B. Sowerby III, 1907
105. Species Triphora fuscomaculata E. A. Smith, 1904
106. Species Triphora fuscozonata G. B. Sowerby III, 1907
107. Species Triphora galapagensis Bartsch, 1907
108. Species Triphora gemmata Blainville, 1828
109. Species Triphora gortanii Selli, 1974 †
110. Species Triphora goubini Hervier, 1898
111. Species Triphora gracilior E. A. Smith, 1903
112. Species Triphora granulifera Jousseaume, 1884
113. Species Triphora grayii Hinds, 1843
114. Species Triphora grenadensis Rolán & H. G. Lee, 2008
115. Species Triphora guadaloupensis Rolán & Fernández-Garcés, 2008
116. Species Triphora guttata Guppy, 1867 †
117. Species Triphora gymna Cossmann, 1919 †
118. Species Triphora hannai F. Baker, 1926
119. Species Triphora hebes (R. B. Watson, 1880)
120. Species Triphora helena Bartsch, 1915
121. Species Triphora hemileuca Tomlin, 1931
122. Species Triphora hemphilli Bartsch, 1907
123. Species Triphora herouvallensis de Raincourt, 1877 †
124. Species Triphora hildeverti Doncieux, 1908 †
125. Species Triphora hircus Dall, 1881
126. Species Triphora idonea Melvill & Standen, 1901
127. Species Triphora ignobilis Thiele, 1925
128. Species Triphora imperatrix O. Boettger, 1902 †
129. Species Triphora inclara Kosuge, 1974
130. Species Triphora incolumis Melvill, 1918
131. Species Triphora inconspicua C. B. Adams, 1852
132. Species Triphora interpres Melvill, 1918
133. Species Triphora inversa (Lamarck, 1804) †
134. Species Triphora isleana Vélain, 1877
135. Species Triphora johnstoni F. Baker, 1926
136. Species Triphora kanakoffi Willett, 1948 †
137. Species Triphora keiki Kay, 1979
138. Species Triphora laddi Kay, 1979
139. Species Triphora lamyi Selli, 1974
140. Species Triphora leucathema Rehder, 1980
141. Species Triphora lherbettorum Landau, Ceulemans & Van Dingenen, 2018 †
142. Species Triphora lilaceocincta E. A. Smith, 1903
143. Species Triphora lilacina Dall, 1889
144. Species Triphora loisae Rehder, 1980
145. Species Triphora longissima Doncieux, 1908 † (accepted > unreplaced junior homonym)
146. Species Triphora madgei Viader, 1938
147. Species Triphora madria Bartsch, 1915
148. Species Triphora magica W.-M. Feng, 1996
149. Species Triphora major O. Meyer, 1886 †
150. Species Triphora malayana P. J. Fischer, 1921 †
151. Species Triphora marshi A. M. Strong & Hertlein, 1939
152. Species Triphora martii Rolán & Fernández-Garcés, 1995
153. Species Triphora medinae Parodiz, 1955
154. Species Triphora melantera Hervier, 1898
155. Species Triphora meridionalis O. Meyer, 1886 †
156. Species Triphora metcalfeii Hinds, 1843
157. Species Triphora milda Bartsch, 1915
158. Species Triphora minuata Deshayes, 1864 †
159. Species Triphora miopygmaea Landau, Ceulemans & Van Dingenen, 2018 †
160. Species Triphora mitella Dall, 1892 †
161. Species Triphora montereyensis Bartsch, 1907
162. Species Triphora morgani Barnard, 1963
163. Species Triphora natalensis Barnard, 1963
164. Species Triphora nina Bartsch, 1915
165. Species Triphora nivea Verco, 1909
166. Species Triphora nodifera A. Adams & Reeve, 1850
167. Species Triphora nodosoplicata Benoist, 1874 †
168. Species Triphora oreada Bartsch, 1915
169. Species Triphora oweni F. Baker, 1926
170. Species Triphora palmeri A. M. Strong & Hertlein, 1939
171. Species Triphora panamensis Bartsch, 1907
172. Species Triphora papaveracea Benoist, 1874 †
173. Species Triphora passyi Deshayes, 1864 †
174. Species Triphora patricia Thiele, 1925
175. Species Triphora pazensis F. Baker, 1926
176. Species Triphora pedroana Bartsch, 1907
177. Species Triphora peninsularis Bartsch, 1907
178. Species Triphora peyreirensis Cossmann & Peyrot, 1921 †
179. Species Triphora pezanti Cossmann, 1913 †
180. Species Triphora planata Tenison Woods, 1879 †
181. Species Triphora plesiomorpha Cossmann & Pissarro, 1901 †
182. Species Triphora portoricensis Rolán & Redfern, 2008
183. Species Triphora praelonga Koenen, 1891 †
184. Species Triphora pseudonovem Rolán & H. G. Lee, 2008
185. Species Triphora pulchella A. Adams, 1854
186. Species Triphora punctata Pease, 1871
187. Species Triphora pupaeformis Deshayes, 1863
188. Species Triphora pura E. A. Smith, 1903
189. Species Triphora pusilla (L. Pfeiffer, 1840)
190. Species Triphora pustulosa Pease, 1871
191. Species Triphora pyrrha J. B. Henderson & Bartsch, 1914
192. Species Triphora radiospirata Marquet, 1996 †
193. Species Triphora rakhiensis Eames, 1952 †
194. Species Triphora regia Thiele, 1925
195. Species Triphora regina O. Boettger, 1902 †
196. Species Triphora richei Doncieux, 1908 †
197. Species Triphora robusta Pease, 1871
198. Species Triphora rufotincta (Kosuge, 1963)
199. Species Triphora rushii Dall, 1889
200. Species Triphora sabita Bartsch, 1915
201. Species Triphora sancticlementensis Landau, Ceulemans & Van Dingenen, 2018 †
202. Species Triphora scala Barnard, 1963
203. Species Triphora sceptrum Thiele, 1925
204. Species Triphora schmidti Schepman, 1909
205. Species Triphora sculptata Cossmann & Pissarro, 1901 †
206. Species Triphora scylla M. Fernandes & Pimenta, 2015
207. Species Triphora shepstonensis E. A. Smith, 1906
208. Species Triphora similis O. Meyer, 1886 † (accepted > unreplaced junior homonym)
209. Species Triphora sinistrorsa (Deshayes, 1833) †
210. Species Triphora slevini F. Baker, 1926
211. Species Triphora smithi Bartsch, 1915 (accepted > unreplaced junior homonym, not Triphora smithi Sowerby III, 1904)
212. Species Triphora staadti Cossmann, 1907 †
213. Species Triphora stearnsi Bartsch, 1907
214. Species Triphora stephensi F. Baker & Spicer, 1935
215. Species Triphora subcalcarea Oostingh, 1941 †
216. Species Triphora subulata Thiele, 1930
217. Species Triphora sulcata Tenison Woods, 1878 †
218. Species Triphora sulcosa Pease, 1871
219. Species Triphora superba Thiele, 1925
220. Species Triphora suturalis A. Adams & Reeve, 1850
221. Species Triphora taeniolata Hervier, 1898
222. Species Triphora taurorara Sacco, 1895 †
223. Species Triphora terebrata Heilprin, 1887 †
224. Species Triphora thaanumi Kay, 1979
225. Species Triphora tricarinata S. Meunier, 1880 †
226. Species Triphora tricornuta Cossmann & Pissarro, 1901 †
227. Species Triphora tricostata Szőts, 1953 †
228. Species Triphora tristis Hinds, 1843
229. Species Triphora tuberculata Pease, 1871
230. Species Triphora tubifera Thiele, 1925
231. Species Triphora turtlebayensis Rolán & H. G. Lee, 2008
232. Species Triphora vanduzeei F. Baker, 1926
233. Species Triphora vargasi Rehder, 1980
234. Species Triphora vestalis A. Adams, 1854
235. Species Triphora virginalis Thiele, 1925
236. Species Triphora washingtoniana Dickerson, 1915 †
237. Species Triphora yociusi Rolán & H. G. Lee, 2008
238. Subgenus Triphora (Biforina) Bucquoy, Dautzenberg & Dollfus, 1884 accepted as Monophorus Granata Grillo, 1877 (unaccepted > junior subjective synonym)
     1. Species Triphora (Biforina) caracca Dall, 1927 accepted as Monophorus caracca (Dall, 1927) (unaccepted > superseded combination)
     2. Species Triphora (Biforina) georgiana Dall, 1927 accepted as Strobiligera georgiana (Dall, 1927) (unaccepted > superseded combination)
     3. Species Triphora (Biforina) indigena Dall, 1927 accepted as Strobiligera indigena (Dall, 1927) (unaccepted > superseded combination)
239. Subgenus Triphora (Cinctrifora) Olsson & Harbison, 1953 † accepted as Cinctrifora Olsson & Harbison, 1953 † (original rank)
240. Subgenus Triphora (Cosmotriphora) Olsson & Harbison, 1953 accepted as Cosmotriphora Olsson & Harbison, 1953
     1. Species Triphora (Cosmotriphora) caribbeana Weisbord, 1962 † accepted as Triphora caribbeana Weisbord, 1962 † (superseded combination)
     2. Species Triphora (Cosmotriphora) oreodoxa Olsson & Harbison, 1953 † accepted as Cosmotriphora oreodoxa (Olsson & Harbison, 1953) (unaccepted > superseded combination)
241. Subgenus Triphora (Eocautor) Eames, 1952 † accepted as Eocautor Eames, 1952 † (superseded combination)
     1. Species Triphora (Eocautor) soriensis Eames, 1952 † accepted as Eocautor soriensis (Eames, 1952) †
242. Subgenus Triphora (Inella) Bayle, 1879 accepted as Inella Bayle, 1879 (unaccepted > superseded rank)
     1. Species Triphora (Inella) alba Fenaux, 1943 accepted as Inella alba (Fenaux, 1943) (superseded combination)
     2. Species Triphora (Inella) indrai Beets, 1941 † accepted as Inella indrai (Beets, 1941) †
     3. Species Triphora (Inella) javana K. Martin, 1899 † accepted as Inella javana (K. Martin, 1899) †
     4. Species Triphora (Inella) maharatai Beets, 1941 † accepted as Inella maharatai (Beets, 1941) †
     5. Species Triphora (Inella) roddai Ladd, 1972 † accepted as Inella roddai (Ladd, 1972) †
     6. Species Triphora (Inella) ustulata (Hervier, 1898) accepted as Coriophora ustulata (Hervier, 1898)
243. Subgenus Triphora (Iniforis) Jousseaume, 1884 accepted as Iniforis Jousseaume, 1884 (superseded combination)
     1. Species Triphora (Iniforis) albogranosa Kosuge, 1961 accepted as Iniforis albogranosa (Kosuge, 1961)
     2. Species Triphora (Iniforis) bellula Kosuge, 1961 accepted as Mastoniaeforis bellula (Kosuge, 1961) (unaccepted > superseded combination)
     3. Species Triphora (Iniforis) fusiformis Kosuge, 1961 accepted as Iniforis fusiformis (Kosuge, 1961)
     4. Species Triphora (Iniforis) ikukoae Kosuge, 1963 accepted as Iniforis ikukoae (Kosuge, 1963)
244. Subgenus Triphora (Isotriphora) Cotton & Godfrey, 1931 accepted as Isotriphora Cotton & Godfrey, 1931
     1. Species Triphora (Isotriphora) salisburyensis Ludbrook, 1957 † accepted as Isotriphora salisburyensis (Ludbrook, 1957) †
245. Subgenus Triphora (Litharium) Dall, 1924 accepted as Litharium Dall, 1924 (original rank)
     1. Species Triphora (Litharium) oceanida Dall, 1924 accepted as Litharium oceanida (Dall, 1924) (unaccepted > superseded combination)
246. Subgenus Triphora (Mastonia) Hinds, 1843 accepted as Mastonia Hinds, 1843
     1. Species Triphora (Mastonia) auberti Abrard, 1947 † accepted as Mastonia auberti (Abrard, 1947) †
     2. Species Triphora (Mastonia) cingulifera Pease, 1861 accepted as Mastonia cingulifera (Pease, 1861)
     3. Species Triphora (Mastonia) coetiviensis Melvill, 1909 accepted as Triphora coetiviensis Melvill, 1909 (basionym)
247. Subgenus Triphora (Norephora) Gründel, 1975 accepted as Inella Bayle, 1879 (unaccepted > junior subjective synonym)
     1. Species Triphora (Norephora) ambigua Deshayes, 1864 † accepted as Inella ambigua (Deshayes, 1864) † (unaccepted > superseded combination)
     2. Species Triphora (Norephora) herouvallensis (de Raincourt, 1877) † accepted as Inella herouvallensis (de Raincourt, 1877) † (unaccepted > superseded combination)
     3. Species Triphora (Norephora) minuata (Deshayes, 1864) † accepted as Inella minuata (Deshayes, 1864) † (unaccepted > superseded combination)
248. Subgenus Triphora (Notosinister) H. J. Finlay, 1926 accepted as Monophorus Granata Grillo, 1877 (synonym)
     1. Species Triphora (Notosinister) praegranifera Ludbrook, 1957 † accepted as Monophorus praegraniferus (Ludbrook, 1957) †
249. Subgenus Triphora (Ogivia) G. F. Harris & Burrows, 1891 † accepted as Ogivia G. F. Harris & Burrows, 1891 †
     1. Species Triphora (Ogivia) depereti Doncieux, 1908 † accepted as Ogivia depereti (Doncieux, 1908) † (unaccepted > superseded combination)
     2. Species Triphora (Ogivia) faxensis Ravn, 1933 † accepted as Ogivia faxensis (Ravn, 1933) † (superseded combination)
     3. Species Triphora (Ogivia) gymna Cossmann, 1919 † accepted as Triphora gymna Cossmann, 1919 † (superseded combination)
     4. Species Triphora (Ogivia) inaequipartita Deshayes, 1864 † accepted as Ogivia inaequipartita (Deshayes, 1864) † (unaccepted > superseded combination)
250. Subgenus Triphora (Oriforina) Gründel, 1975 † accepted as Oriforina Gründel, 1975 †
251. Subgenus Triphora (Strobiligera) Dall, 1924 accepted as Strobiligera Dall, 1924 (original rank)
     1. Species Triphora (Strobiligera) compsa Dall, 1927 accepted as Strobiligera compsa (Dall, 1927) (unaccepted > superseded combination)
     2. Species Triphora (Strobiligera) enopla Dall, 1927 accepted as Strobiligera enopla (Dall, 1927) (unaccepted > superseded combination)
     3. Species Triphora (Strobiligera) gaesona Dall, 1927 accepted as Strobiligera gaesona (Dall, 1927) (unaccepted > superseded combination)
     4. Species Triphora (Strobiligera) meteora Dall, 1927 accepted as Strobiligera meteora (Dall, 1927) (unaccepted > superseded combination)
     5. Species Triphora (Strobiligera) pompona Dall, 1927 accepted as Strobiligera pompona (Dall, 1927) (unaccepted > superseded combination)
     6. Species Triphora (Strobiligera) sentoma Dall, 1927 accepted as Strobiligera sentoma (Dall, 1927) (unaccepted > superseded combination)
252. Subgenus Triphora (Triphora) Blainville, 1828 accepted as Triphora Blainville, 1828 (unaccepted > superseded combination)
     1. Species Triphora (Triphora) undata Kosuge, 1962 accepted as Mastonia undata (Kosuge, 1962) (unaccepted > superseded combination)
253. Species Triphora abbotti F. Baker & Spicer, 1935 accepted as Viriola abbotti (F. Baker & Spicer, 1935)
254. Species Triphora adamsi Deshayes, 1863 accepted as Mastonia adamsi (Deshayes, 1863)
255. Species Triphora adela Thiele, 1930 accepted as Costatophora granifera (Brazier, 1894)
256. Species Triphora adversa (Montagu, 1803) accepted as Marshallora adversa (Montagu, 1803) (synonym)
257. Species Triphora aegle (Jousseaume, 1884) accepted as Coriophora granosa (Pease, 1871)
258. Species Triphora aemulans Hinds, 1843 accepted as Iniforis aemulans (Hinds, 1843)
259. Species Triphora aequilirata O. Boettger, 1902 † accepted as Triphora eugeniae O. Boettger, 1902 † (subjective synonym)
260. Species Triphora affinis Pease, 1861 accepted as Subulophora peasi (Jousseaume, 1884)
261. Species Triphora alba Kosuge, 1961 accepted as Nototriphora alba (Kosuge, 1961)
262. Species Triphora albida A. Adams, 1854 accepted as Latitriphora albida (A. Adams, 1854) (superseded combination)
263. Species Triphora albina Thiele, 1930 accepted as Costatophora granifera (Brazier, 1894)
264. Species Triphora albovittata Hedley, 1903 accepted as Obesula albovittata (Hedley, 1903) (original combination)
265. Species Triphora algoensis Thiele, 1925 accepted as Litharium algoense (Thiele, 1925) (original combination)
266. Species Triphora alveolata A. Adams & Reeve, 1850 accepted as Cautotriphora alveolata (A. Adams & Reeve, 1850)
267. Species Triphora ampulla Hedley, 1903 accepted as Sagenotriphora ampulla (Hedley, 1903) (superseded combination)
268. Species Triphora angasi Crosse & P. Fischer, 1865 accepted as Monophorus angasi (Crosse & P. Fischer, 1865)
269. Species Triphora aoteaensis P. Marshall & Murdoch, 1920 † accepted as Inella aoteaensis (P. Marshall & Murdoch, 1920) † (superseded combination)
270. Species Triphora apicibulbus W. H. Turton, 1932 accepted as Triphora madria Bartsch, 1915 (possible junior synonym)
271. Species Triphora arafra (unaccepted > nomen nudum)
272. Species Triphora armillata Verco, 1909 accepted as Eutriphora armillata (Verco, 1909) (original combination)
273. Species Triphora aspera Jeffreys, 1885 accepted as Triphora brychia Bouchet & Guillemot, 1978 accepted as Strobiligera brychia (Bouchet & Guillemot, 1978)
274. Species Triphora asperrima Hinds, 1843 accepted as Inella asperrima (Hinds, 1843) (superseded combination)
275. Species Triphora atoma Issel, 1869 accepted as Triphora atomus Issel, 1869
276. Species Triphora barnardi Tomlin, 1945 accepted as Triphora milda Bartsch, 1915
277. Species Triphora basalis Odhner, 1922 accepted as Inella basalis (Odhner, 1922) (superseded combination)
278. Species Triphora bellula Kosuge, 1961 accepted as Iniforis bellula (Kosuge, 1961) accepted as Mastoniaeforis bellula (Kosuge, 1961) (original combination)
279. Species Triphora benoitiana Aradas, 1869 accepted as Triphora perversa (Linnaeus, 1758) accepted as Monophorus perversus (Linnaeus, 1758) (junior subjective synonym)
280. Species Triphora bermudensis Bartsch, 1911 accepted as Eutriphora bermudensis (Bartsch, 1911) (unaccepted > superseded combination)
281. Species Triphora bilix Hinds, 1843 accepted as Euthymella bilix (Hinds, 1843)
282. Species Triphora biplicata A. Rouault, 1850 † accepted as Ogivia biplicata (A. Rouault, 1850) † (unaccepted > superseded combination)
283. Species Triphora bolax Olsson & Harbison, 1953 † accepted as Cheirodonta dupliniana (Olsson, 1916)
284. Species Triphora brasili Cossmann & Pissarro, 1902 † accepted as Epetrium brasili (Cossmann & Pissarro, 1902) † (unaccepted > superseded combination)
285. Species Triphora brevicula Cossmann, 1889 † accepted as Oriforina brevicula (Cossmann, 1889) † (unaccepted > superseded combination)
286. Species Triphora brevis Thiele, 1925 accepted as Triphora sabita Bartsch, 1915 (unaccepted > junior subjective synonym)
287. Species Triphora brychia Bouchet & Guillemot, 1978 accepted as Strobiligera brychia (Bouchet & Guillemot, 1978) (original combination)
288. Species Triphora calculifera A. Gould, 1861 accepted as Iniforis calculifera (A. Gould, 1861) (superseded combination)
289. Species Triphora callipyrgus Bartsch, 1907 accepted as Triphora callipyrga Bartsch, 1907 (unaccepted > superseded combination, incorrect gender ending)
290. Species Triphora cana Verco, 1909 accepted as Eutriphora cana (Verco, 1909) (original combination)
291. Species Triphora cancellata Hinds, 1843 accepted as Viriola cancellata (Hinds, 1843) (superseded combination)
292. Species Triphora candefacta (Kosuge, 1963) accepted as Bouchetriphora pallida (Pease, 1871) (synonym)
293. Species Triphora capensis Thiele, 1925 accepted as Triphora barnardi Tomlin, 1945 accepted as Triphora milda Bartsch, 1915 (invalid; junior homonym of Triphora capensis Bartsch, 1915; Triphora barnardi Tomlin, 1945 is a replacement name)
294. Species Triphora caracca Dall, 1927 accepted as Monophorus caracca (Dall, 1927) (unaccepted > superseded combination)
295. Species Triphora carinata Talavera, 1975 accepted as Viriola carinata (Talavera, 1975) (original combination)
296. Species Triphora carteretensis Hinds, 1843 accepted as Mastonia carteretensis (Hinds, 1843) (superseded combination)
297. Species Triphora casta Hinds, 1843 accepted as Iniforis casta (Hinds, 1843) accepted as Mastoniaeforis casta (Hinds, 1843)
298. Species Triphora cinerea Hedley, 1903 accepted as Monophorus nigrofuscus (A. Adams, 1854) (unaccepted > junior subjective synonym)
299. Species Triphora cingulata A. Adams, 1854 accepted as Viriola cingulata (A. Adams, 1854)
300. Species Triphora cingulata Dunker, 1860 accepted as Viriola tricincta (Dunker, 1882)
301. Species Triphora cingulifera Pease, 1861 accepted as Mastonia cingulifera (Pease, 1861)
302. Species Triphora clathrata A. Gould, 1861 accepted as Euthymella clathrata (A. Gould, 1861)
303. Species Triphora clavata Pease, 1861 accepted as Mastonia clavata (Pease, 1861) (superseded combination)
304. Species Triphora clemens Hinds, 1843 accepted as Mastonia clemens (Hinds, 1843)
305. Species Triphora coetivensis [sic] accepted as Triphora coetiviensis Melvill, 1909 (misspelling)
306. Species Triphora coetviensis [sic[ accepted as Triphora coetiviensis Melvill, 1909 (misspelling)
307. Species Triphora colon Dall, 1881 accepted as Inella colon (Dall, 1881)
308. Species Triphora compsa Dall, 1927 accepted as Strobiligera compsa (Dall, 1927) (unaccepted > superseded combination)
309. Species Triphora concors Hinds, 1843 accepted as Euthymella concors (Hinds, 1843)
310. Species Triphora conoidalis A. Rouault, 1850 † accepted as Ogivia conoidalis (A. Rouault, 1850) † (unaccepted > superseded combination)
311. Species Triphora conspersa E. A. Smith, 1875 accepted as Bouchetriphora conspersa (E. A. Smith, 1875)
312. Species Triphora contrerasi [sic] accepted as Triphora contrerari F. Baker, 1926 (misspelling)
313. Species Triphora coralina (Laseron, 1958) accepted as Opimaphora coralina Laseron, 1958
314. Species Triphora cornuta Hervier, 1898 accepted as Mastoniaeforis cornuta (Hervier, 1898) (unaccepted > superseded combination)
315. Species Triphora corrugata Hinds, 1843 accepted as Viriola corrugata (Hinds, 1843)
316. Species Triphora crassigranulata Ravn, 1933 † accepted as Epetrium crassigranulata (Ravn, 1933) † (unaccepted > superseded combination)
317. Species Triphora crassula E. von Martens, 1880 accepted as Mastonia crassula (E. von Martens, 1880) (unaccepted > superseded combination)
318. Species Triphora crenulata Deshayes, 1863 accepted as Euthymella crenulata (Deshayes, 1863)
319. Species Triphora cretacea Ravn, 1933 † accepted as Epetrium cretacea (Ravn, 1933) † (unaccepted > superseded combination)
320. Species Triphora decorata (C. B. Adams, 1850) accepted as Nototriphora decorata (C. B. Adams, 1850)
321. Species Triphora dexia Verco, 1909 accepted as Trituba dexia (Verco, 1909)
322. Species Triphora disjuncta Verco, 1909 accepted as Isotriphora disjuncta (Verco, 1909) (original combination)
323. Species Triphora dolicha R. B. Watson, 1886 accepted as Coriophora dolicha (R. B. Watson, 1886) (superseded combination)
324. Species Triphora dollfusi Cossmann, 1893 † (unaccepted > nomen nudum, unnecessary replacement name for Cerithium inversum "Grateloup")
325. Species Triphora dupliana Olsson, 1916 accepted as Cosmotriphora dupliniana (Olsson, 1916) accepted as Cheirodonta dupliniana (Olsson, 1916)
326. Species Triphora elata Thiele, 1930 accepted as Hedleytriphora elata (Thiele, 1930) (original combination)
327. Species Triphora elatior (Koenen, 1891) † accepted as Inella elatior (Koenen, 1891) †
328. Species Triphora elegans Hinds, 1843 accepted as Euthymella elegans (Hinds, 1843) (superseded combination)
329. Species Triphora enopla Dall, 1927 accepted as Strobiligera enopla (Dall, 1927) (unaccepted > superseded combination)
330. Species Triphora epallaxa Verco, 1909 accepted as Trituba (Granulotriforis) epallaxa (Verco, 1909) represented as Trituba epallaxa (Verco, 1909) (superseded combination)
331. Species Triphora episcopalis Hervier, 1898 accepted as Monophorus episcopalis (Hervier, 1898)
332. Species Triphora erecta Thiele, 1925 accepted as Viriola erecta (Thiele, 1925)
333. Species Triphora erythrosoma Bouchet & Guillemot, 1978 accepted as Monophorus erythrosoma (Bouchet & Guillemot, 1978) (original combination)
334. Species Triphora eupunctata G. B. Sowerby III, 1907 accepted as Triphora taeniolata Hervier, 1898
335. Species Triphora excolpa Bartsch, 1907 accepted as Triphora excolpus Bartsch, 1907 (misspelling)
336. Species Triphora fascelina Suter, 1908 accepted as Notosinister fascelinus (Suter, 1908) accepted as Monophorus fascelinus (Suter, 1908) (superseded combination)
337. Species Triphora fasciata Tenison Woods, 1879 accepted as Hedleytriphora fasciata (Tenison Woods, 1879)
338. Species Triphora festiva A. Adams, 1854 accepted as Aclophoropsis festiva (A. Adams, 1854)
339. Species Triphora formosula Hervier, 1898 accepted as Iniforis formosula (Hervier, 1898)
340. Species Triphora fulvescens Hervier, 1898 accepted as Mastonia fulvescens (Hervier, 1898)
341. Species Triphora fuscolineae Kosuge, 1974 accepted as Costatophora iniqua (Jousseaume, 1898)
342. Species Triphora gaesona Dall, 1927 accepted as Strobiligera gaesona (Dall, 1927) (unaccepted > superseded combination)
343. Species Triphora gemmatum Blainville, 1828 accepted as Triphora gemmata Blainville, 1828 (incorrect gender ending)
344. Species Triphora gemmegens Verco, 1909 accepted as Teretriphora gemmegens (Verco, 1909) (original combination)
345. Species Triphora gemmulata A. Adams & Reeve, 1850 accepted as Inella gemmulata (A. Adams & Reeve, 1850)
346. Species Triphora georgiana Dall, 1927 accepted as Strobiligera georgiana (Dall, 1927) (unaccepted > superseded combination)
347. Species Triphora granifera Brazier, 1894 accepted as Costatophora granifera (Brazier, 1894)
348. Species Triphora granti F. Baker & Spicer, 1935 accepted as Euthymella elegans (Hinds, 1843)
349. Species Triphora granulata A. Adams & Reeve, 1850 accepted as Cautor granulatus (A. Adams & Reeve, 1850)
350. Species Triphora granulata Strauch, 1967 † accepted as Inella granulata (Strauch, 1967) † (unaccepted > junior homonym, not Triphora granulata A. Adams & Reeve, 1850)
351. Species Triphora granulatus A. Adams & Reeve, 1850 accepted as Cautor granulatus (A. Adams & Reeve, 1850) (incorrect gender ending)
352. Species Triphora grimaldii Dautzenberg & H. Fischer, 1906 accepted as Cosmotriphora melanura (C. B. Adams, 1850)
353. Species Triphora harrisi F. Baker & Spicer, 1935 (unaccepted > superseded combination)
354. Species Triphora hindsi Deshayes, 1863 (unaccepted)
355. Species Triphora hungerfordi G. B. Sowerby III, 1914 (unaccepted)
356. Species Triphora huttoni Suter, 1908 (unaccepted, superseded combination)
357. Species Triphora ima Bartsch, 1915 (unaccepted > junior subjective synonym)
358. Species Triphora inaequipartita Deshayes, 1866 † (unaccepted, superseded combination)
359. Species Triphora inaudita Rolán & H. G. Lee, 2008 (unaccepted > superseded combination)
360. Species Triphora incisa Pease, 1861 (unaccepted)
361. Species Triphora indigena Dall, 1927 (unaccepted > superseded combination)
362. Species Triphora indrai Beets, 1941 † (unaccepted)
363. Species Triphora infelix W. H. Webster, 1906 (unaccepted > junior subjective synonym)
364. Species Triphora innocens Thiele, 1925 (unaccepted, preoccupied by innocens Sowerby, 1921)
365. Species Triphora innocens G. B. Sowerby III, 1921 (unaccepted, suspected junior synonym)
366. Species Triphora innotabilis Hedley, 1903 (unaccepted, original combination)
367. Species Triphora intercalaris A. Gould, 1861 (unaccepted)
368. Species Triphora intergranosa Hervier, 1898 (unaccepted)
369. Species Triphora javana K. Martin, 1899 † (unaccepted)
370. Species Triphora jousseaumei Hervier, 1898 (unaccepted)
371. Species Triphora kanaina Jousseaume, 1884 (unaccepted)
372. Species Triphora kesteveni Hedley, 1903 (unaccepted, original combination)
373. Species Triphora labiata A. Adams, 1854 (unaccepted)
374. Species Triphora lamberti Hervier, 1898 (unaccepted)
375. Species Triphora latilirata Verco, 1909 (unaccepted, original combination)
376. Species Triphora leucomys Hervier, 1898 (unaccepted)
377. Species Triphora limosa (Jousseaume, 1884) (unaccepted)
378. Species Triphora lineolata Tapparone Canefri, 1877 (unaccepted, superseded combination)
379. Species Triphora longissima Dall, 1881 (unaccepted > superseded combination)
380. Species Triphora loyaltyensis Hervier, 1898 (unaccepted)
381. Species Triphora lucidula Herveir, 1898 (unaccepted)
382. Species Triphora lusoria Tapparone Canefri, 1877 (unaccepted)
383. Species Triphora lutea Suter, 1908 (unaccepted)
384. Species Triphora lutea (Kosuge, 1962) (unaccepted)
385. Species Triphora maculata Pease, 1871 (unaccepted, superseded combination)
386. Species Triphora maculosa Hedley, 1903 (unaccepted, original combination)
387. Species Triphora maharatai Beets, 1941 † (unaccepted)
388. Species Triphora malvacea (Jousseaume, 1884) (unaccepted, superseded combination)
389. Species Triphora mariei (Jousseaume, 1884) (unaccepted)
390. Species Triphora marmorata E. von Martens & Langkavel, 1871 (unaccepted > superseded combination)
391. Species Triphora maxillaris Hinds, 1843 (unaccepted)
392. Species Triphora mediotincta Hervier, 1898 (unaccepted)
393. Species Triphora melanura (C. B. Adams, 1850) (unaccepted)
394. Species Triphora meteora Dall, 1927 (unaccepted > superseded combination)
395. Species Triphora micans Hinds, 1843 (unaccepted)
396. Species Triphora minima Pease, 1871 (unaccepted)
397. Species Triphora minutissima Tapparone Canefri, 1877 (unaccepted)
398. Species Triphora mirifica Deshayes, 1863 (unaccepted > superseded combination)
399. Species Triphora monacha Hervier, 1898 (unaccepted)
400. Species Triphora monilifera Hinds, 1843 (unaccepted)
401. Species Triphora monteiroi Rolán & Fernández-Garcés, 2015 (unaccepted > superseded combination)
402. Species Triphora montrouzieri Hervier, 1898 (unaccepted)
403. Species Triphora multigyrata Yokoyama, 1922 (unaccepted > superseded combination)
404. Species Triphora neozelanica Laws, 1939 † (unaccepted, superseded combination)
405. Species Triphora nigrocincta (C. B. Adams, 1839) (unaccepted, superseded combination)
406. Species Triphora nigrofusca A. Adams, 1854 (unaccepted, superseded combination)
407. Species Triphora nocturna Hedley, 1903 (unaccepted)
408. Species Triphora novapostrema Verco, 1910 (unaccepted, original combination)
409. Species Triphora novem Nowell-Usticke, 1969 (unaccepted > superseded combination)
410. Species Triphora obesula Bucquoy, Dautzenberg & Dollfus, 1884 (unaccepted)
411. Species Triphora obliqua May, 1915 (unaccepted, original combination)
412. Species Triphora oceanida Dall, 1924 (unaccepted > superseded combination)
413. Species Triphora ofuensis F. Baker & Spicer, 1935 (unaccepted > superseded combination)
414. Species Triphora orteai Espinosa, 2001 (unaccepted)
415. Species Triphora osclausum Rolán & Fernández-Garcés, 1995 (unaccepted > superseded combination)
416. Species Triphora otsuensis Yokoyama, 1920 (unaccepted)
417. Species Triphora pagoda Hinds, 1843 (unaccepted)
418. Species Triphora pallescens (Jeffreys, 1867) (unaccepted)
419. Species Triphora pallida Pease, 1871 (unaccepted, superseded combination)
420. Species Triphora papillata Hervier, 1898 (unaccepted)
421. Species Triphora parva (Milaschewitsch, 1916) (unaccepted)
422. Species Triphora peasei Tryon, 1872 (unaccepted)
423. Species Triphora peasi (Jousseaume, 1884) (unaccepted)
424. Species Triphora peetersae Moolenbeek & Faber, 1989 (unaccepted)
425. Species Triphora peleae F. Baker & Spicer, 1935 (unaccepted)
426. Species Triphora perfecta Pease, 1871 (unaccepted)
427. Species Triphora perlata Issel, 1869 (unaccepted)
428. Species Triphora perversa (Linnaeus, 1758) (unaccepted)
429. Species Triphora pfeifferi Crosse & P. Fischer, 1865 (unaccepted)
430. Species Triphora picturata G. B. Sowerby III, 1901 (unaccepted)
431. Species Triphora plebeja Thiele, 1925 (unaccepted)
432. Species Triphora poecila Hervier, 1898 (unaccepted)
433. Species Triphora pompona Dall, 1927 (unaccepted > superseded combination)
434. Species Triphora postalba Bartsch, 1907 (unaccepted > junior subjective synonym)
435. Species Triphora princeps G. B. Sowerby III, 1904 (unaccepted)
436. Species Triphora pseudobesula F. Nordsieck & García-Talavera, 1979 (unaccepted, nomen nudum)
437. Species Triphora purpurata Pilsbry, 1895 (unaccepted)
438. Species Triphora pyramidalis A. Adams & Reeve, 1850 (unaccepted)
439. Species Triphora quadrimaculata Hervier, 1898 (unaccepted)
440. Species Triphora recta E. A. Smith, 1890 (unaccepted)
441. Species Triphora reevei Deshayes, 1863 (unaccepted > superseded combination)
442. Species Triphora regina Hedley, 1903 (unaccepted, not T. regina Boettger, 1901 (homonym))
443. Species Triphora retusa W. H. Turton, 1932 (unaccepted)
444. Species Triphora roddai Ladd, 1972 † (unaccepted)
445. Species Triphora rosea Hinds, 1843 (unaccepted)
446. Species Triphora rubra Hinds, 1843 (unaccepted)
447. Species Triphora rufula R. B. Watson, 1886 (unaccepted > superseded combination)
448. Species Triphora samanae Dall, 1889 (unaccepted > junior subjective synonym)
449. Species Triphora sardonyx (Laseron, 1958) (unaccepted)
450. Species Triphora sarissa Dall, 1889 (unaccepted)
451. Species Triphora scitula A. Adams, 1854 (unaccepted)
452. Species Triphora sculpta Hinds, 1843 (unaccepted, superseded combination)
453. Species Triphora sematensis Oyama, 1954 (unaccepted > nomen nudum)
454. Species Triphora senafirensis Sturany, 1903 (unaccepted)
455. Species Triphora sentoma Dall, 1927 (unaccepted, original combination)
456. Species Triphora separabilis Ravn, 1933 † (unaccepted > superseded combination)
457. Species Triphora serana P. J. Fischer, 1921 (unaccepted > superseded combination)
458. Species Triphora similior Bouchet & Guillemot, 1978 (unaccepted, original combination)
459. Species Triphora similis Pease, 1871 (unaccepted)
460. Species Triphora singularis Deshayes, 1866 † (unaccepted > superseded combination)
461. Species Triphora smithi G. B. Sowerby III, 1904 (unaccepted)
462. Species Triphora speciosa A. Adams & Reeve, 1850 (unaccepted)
463. Species Triphora spica Verco, 1909 (unaccepted, original combination)
464. Species Triphora spina Verco, 1909 (unaccepted, original combination)
465. Species Triphora subula Verco, 1909 (unaccepted, original combination)
466. Species Triphora tasmanica Tenison Woods, 1876 (unaccepted, superseded combination)
467. Species Triphora tessellata (Kosuge, 1963) (unaccepted)
468. Species Triphora thetis Hedley, 1899 (unaccepted)
469. Species Triphora tibialis (Jousseaume, 1884) (unaccepted)
470. Species Triphora torquata Hedley, 1899 (unaccepted, junior subjective synonym)
471. Species Triphora torticula Dall, 1881 (unaccepted)
472. Species Triphora tribulationis Hedley, 1909 (unaccepted, superseded combination)
473. Species Triphora tricincta Dunker, 1882 (unaccepted > superseded combination)
474. Species Triphora trilirata Deshayes, 1863 (unaccepted)
475. Species Triphora triserialis Dall, 1881 (unaccepted)
476. Species Triphora triticea Pease, 1861 (unaccepted)
477. Species Triphora troglodytes Hervier, 1898 (unaccepted)
478. Species Triphora truncis (Laseron, 1958) (unaccepted)
479. Species Triphora turricula Hervier, 1898 (unaccepted)
480. Species Triphora turrissimilis Nowell-Usticke, 1969 (unaccepted > junior subjective synonym)
481. Species Triphora turristhomae (Holten, 1802) (unaccepted > superseded combination)
482. Species Triphora undata Kosuge, 1962 (unaccepted)
483. Species Triphora unicolor Bartsch, 1907 (unaccepted > junior subjective synonym)
484. Species Triphora ustulata Hervier, 1898 (unaccepted)
485. Species Triphora variegata A. Adams, 1854 (unaccepted)
486. Species Triphora verbernei Moolenbeek & Faber, 1989 (unaccepted > superseded combination)
487. Species Triphora vermicularis Koenen, 1891 † (unaccepted, superseded combination)
488. Species Triphora verrucosa A. Adams & Reeve, 1850 (unaccepted)
489. Species Triphora versluysi Schepman, 1909 (unaccepted)
490. Species Triphora violacea (Quoy & Gaimard, 1834) (unaccepted)
491. Species Triphora violacens [sic] (unaccepted, misspelling)
492. Species Triphora vitrea Hinds, 1843 (unaccepted)
493. Species Triphora vittata Hinds, 1843 (unaccepted)
494. Species Triphora vulpina Hinds, 1843 (unaccepted)
495. Species Triphora xystica (Jousseaume, 1884) (unaccepted)
496. Species Triphora zecollata Laws, 1941 † (unaccepted, superseded combination)
497. Species Triphora albanyana W. H. Turton, 1932 (uncertain > taxon inquirendum)
498. Species Triphora axialis Barnard, 1963 (uncertain > taxon inquirendum)
499. Species Triphora becki W. H. Turton, 1932 (uncertain > taxon inquirendum)
500. Species Triphora cucullata de Folin, 1867 (uncertain > taxon inquirendum)
501. Species Triphora dealbata (C. B. Adams, 1850) (uncertain > taxon inquirendum)
502. Species Triphora exigua (C. B. Adams, 1850) (uncertain > nomen dubium)
503. Species Triphora farquhari W. H. Turton, 1932 (uncertain > taxon inquirendum)
504. Species Triphora interfilata A. Gould, 1861 (uncertain > taxon inquirendum)
505. Species Triphora lara W. H. Turton, 1932 (uncertain > taxon inquirendum)
506. Species Triphora marmorata Hinds, 1843 (uncertain > nomen dubium)
507. Species Triphora nana (C. B. Adams, 1850) (uncertain > nomen dubium)
508. Species Triphora oryza Pease, 1871 (uncertain > nomen dubium)
509. Species Triphora rietensis W. H. Turton, 1932 (uncertain > taxon inquirendum)
510. Species Triphora rufanensis W. H. Turton, 1932 (uncertain > taxon inquirendum)
511. Species Triphora thetis W. H. Turton, 1932 (uncertain > taxon inquirendum)
512. Species Triphora whitechurchi W. H. Turton, 1932 (uncertain > taxon inquirendum)

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