1. Species Bela alma Thiele, 1925
2. Species Bela anna Thiele, 1925
3. Species Bela atlantidea (Knudsen, 1952)
4. Species Bela atticae F. Nordsieck, 1977
5. Species Bela beatriceae (Mariottini, 2007)
6. Species Bela bella Barnard, 1958
7. Species Bela chuni Thiele, 1925
8. Species Bela cycladensis (Reeve, 1845)
9. Species Bela decussata (Locard, 1891)
10. Species Bela filioae Öztürk & Ovalis, 2024
11. Species Bela fuscata (Deshayes, 1835)
12. Species Bela manolae Horro, Gori & Rolán, 2017
13. Species Bela menkhorsti van Aartsen, 1988
14. Species Bela minoica Bogi, Giannuzzi Savelli & Pusateri, 2021
15. Species Bela nebula (Montagu, 1803)
16. Species Bela oceanica (Locard, 1891)
17. Species Bela orientalis Thiele, 1925
18. Species Bela patagonica (A. d'Orbigny, 1841)
19. Species Bela plicatilis (Risso, 1826)
20. Species Bela powisiana (Dautzenberg, 1887)
21. Species Bela schoenherri Horro, Ryall & Rolán, 2018
22. Species Bela spalatina Prkić & Giannuzzi-Savelli, 2022
23. Species Bela taprurensis (Pallary, 1904)
24. Species Bela turcica Thiele, 1925
25. Species Bela zenetouae (van Aartsen, 1988)
26. Species Bela zonata (Locard, 1891)
27. Subgenus Bela (Acrobela) Thiele, 1925 accepted as Microdrillia T. L. Casey, 1903
    1. Species Bela (Acrobela) circumvertens (Melvill & Standen, 1901) accepted as Microdrillia circumvertens (Melvill & Standen, 1901)
    2. Species Bela (Acrobela) optima Thiele, 1925 accepted as Microdrillia optima (Thiele, 1925) (unaccepted > superseded combination)
    3. Species Bela (Acrobela) sansibarica Thiele, 1925 accepted as Microdrillia sansibarica (Thiele, 1925) (unaccepted > superseded combination)
28. Subgenus Bela (Bela) Leach, 1847 accepted as Bela Leach, 1847
29. Subgenus Bela (Buchozia) Bayan, 1873 accepted as Buchozia Bayan, 1873 †
30. Subgenus Bela (Drilliola) Locard, 1897 accepted as Drilliola Locard, 1897
    1. Species Bela (Drilliola) regina Thiele, 1925 accepted as Tomopleura regina (Thiele, 1925) (unaccepted > superseded combination)
31. Subgenus Bela (Haedropleura) Bucquoy, Dautzenberg & Dollfus, 1883 accepted as Haedropleura Bucquoy, Dautzenberg & Dollfus, 1883
    1. Species Bela (Haedropleura) septangularis (Montagu, 1803) accepted as Haedropleura septangularis (Montagu, 1803)
32. Species Bela abyssicola (Reeve, 1844) accepted as Pleurotoma abyssicola Reeve, 1844
33. Species Bela abyssorum Locard, 1897 accepted as Gymnobela abyssorum (Locard, 1897) (original combination)
34. Species Bela africana Ardovini, 2004 accepted as Sorgenfreispira africana (Ardovini, 2004)
35. Species Bela africana Ardovini, 2008 accepted as Sorgenfreispira africana (Ardovini, 2004) (Described a second time by the same author on the erroneous assumption that his first publication at the rank of subspecies was invalid)
36. Species Bela alberti (Dautzenberg & H. Fischer, 1906) accepted as Phymorhynchus alberti (Dautzenberg & H. Fischer, 1906) (unaccepted > superseded combination)
37. Species Bela albrechti A. Krause, 1885 accepted as Granotoma albrechti (A. Krause, 1885) (original combination)
38. Species Bela americana A. S. Packard, 1867 accepted as Propebela scalaris (Møller, 1842) (synonym)
39. Species Bela anderssoni Strebel, 1908 accepted as Falsimohnia anderssoni (Strebel, 1908) (original combination)
40. Species Bela angulosa G. O. Sars, 1878 accepted as Propebela angulosa (G. O. Sars, 1878) (unaccepted > superseded combination)
41. Species Bela angusteplicata Strebel, 1905 accepted as Antarctospira angusteplicata (Strebel, 1905) (unaccepted > superseded combination)
42. Species Bela antarctica Strebel, 1908 accepted as Conorbela antarctica (Strebel, 1908) (superseded combination)
43. Species Bela arctica A. Adams, 1855 accepted as Propebela arctica (A. Adams, 1855) (original combination)
44. Species Bela ardovinii Mariottini & Oliverio, 2008 accepted as Sorgenfreispira ardovinii (Mariottini & Oliverio, 2008) (original combination)
45. Species Bela assimilis G. O. Sars, 1878 accepted as Propebela assimilis (G. O. Sars, 1878) (unaccepted > superseded combination)
46. Species Bela australis A. Adams & Angas, 1864 accepted as Mitraguraleus mitralis (A. Adams & Angas, 1864) (junior synonym)
47. Species Bela bergensis Friele, 1886 accepted as Propebela bergensis (Friele, 1886)
48. Species Bela bicarinata (Couthouy, 1838) accepted as Curtitoma violacea (Mighels & C. B. Adams, 1842)
49. Species Bela blakei A. E. Verrill, 1885 accepted as Mohnia blakei (A. E. Verrill, 1885) (original combination)
50. Species Bela blaneyi K. J. Bush, 1909 accepted as Oenopota blaneyi (K. J. Bush, 1909) (original combination)
51. Species Bela brachystoma (R. A. Philippi, 1844) accepted as Sorgenfreispira brachystoma (R. A. Philippi, 1844) (unaccepted > superseded combination)
52. Species Bela cancellata (Mighels & C. B. Adams, 1842) accepted as Propebela cancellata (Mighels & C. B. Adams, 1842)
53. Species Bela cancellata Mighels & C. B. Adams, 1842 sensu G. O. Sars, 1878 accepted as Bela sarsii A. E. Verrill, 1880 accepted as Oenopota impressa (Mörch, 1869) (misapplication)
54. Species Bela clarae Peñas & Rolán, 2008 accepted as Bela atlantidea (Knudsen, 1952)
55. Species Bela concinnula A. E. Verrill, 1882 accepted as Propebela concinnula (A. E. Verrill, 1882) (unaccepted > superseded combination)
56. Species Bela confusa (Locard, 1897) accepted as Sorgenfreispira brachystoma (R. A. Philippi, 1844)
57. Species Bela conoidea G. O. Sars, 1878 accepted as Curtitoma conoidea (G. O. Sars, 1878) (unaccepted > superseded combination)
58. Species Bela costulata (Risso, 1826) accepted as Mangelia costulata Risso, 1826 accepted as Smithiella costulata (Risso, 1826)
59. Species Bela decussata (Couthouy, 1839) accepted as Curtitoma decussata (Couthouy, 1839)
60. Species Bela demersa Tiberi, 1868 accepted as Taranis moerchii (Malm, 1861) (synonym)
61. Species Bela detegata Locard, 1897 accepted as Propebela bergensis (Friele, 1886) (synonym)
62. Species Bela erosa (Schrenck, 1861) accepted as Rhodopetoma erosa (Schrenck, 1861) (unaccepted > superseded combination)
63. Species Bela erythraea Jousseaume, 1895 accepted as Taranidaphne hongkongensis (G. B. Sowerby III, 1889) (unaccepted > junior subjective synonym)
64. Species Bela eva Thiele, 1925 accepted as Maoritomella eva (Thiele, 1925) (original combination)
65. Species Bela exarata (Møller, 1842) accepted as Propebela exarata (Møller, 1842) (unaccepted > superseded combination)
66. Species Bela excurvata P. P. Carpenter, 1864 accepted as Oenopota excurvata (P. P. Carpenter, 1864) (original combination)
67. Species Bela exilis Ardovini, 2004 accepted as Sorgenfreispira exilis (Ardovini, 2004) (original combination)
68. Species Bela expansa G. O. Sars, 1878 accepted as Lusitanops expansus (G. O. Sars, 1878) (unaccepted > superseded combination)
69. Species Bela exquisita Yokoyama, 1926 accepted as Curtitoma exquisita (Yokoyama, 1926) (original combination)
70. Species Bela fidicula (Gould, 1849) accepted as Propebela fidicula (A. Gould, 1849)
71. Species Bela filicinctus (E. A. Smith, 1882) accepted as Horaiclavus filicinctus (E. A. Smith, 1882) (unaccepted > superseded combination)
72. Species Bela formica F. Nordsieck, 1977 accepted as Bela fuscata (Deshayes, 1835) (unaccepted > junior subjective synonym)
73. Species Bela fulvicans Strebel, 1908 accepted as Falsimohnia fulvicans (Strebel, 1908) (original combination)
74. Species Bela furfuraculata Locard, 1897 accepted as Propebela bergensis (Friele, 1886) (synonym)
75. Species Bela gazellae Strebel, 1905 accepted as Mangelia gazellae (Strebel, 1905) (original combination)
76. Species Bela gilpini Verkrüzen, 1878 accepted as Oenopota gilpini (Verkrüzen, 1878)
77. Species Bela ginnania (Risso, 1826) accepted as Haedropleura septangularis (Montagu, 1803)
78. Species Bela glacialis Thiele, 1912 accepted as Lorabela glacialis (Thiele, 1912) (original combination)
79. Species Bela gouldii A. E. Verrill, 1882 accepted as Propebela rugulata (Reeve, 1846) (unaccepted > junior subjective synonym)
80. Species Bela graphica Locard, 1897 accepted as Oenopota graphica (Locard, 1897) (original combination)
81. Species Bela grimaldii Dautzenberg, 1889 accepted as Amphissa acutecostata (R. A. Philippi, 1844)
82. Species Bela grippi Dall, 1908 accepted as Bellaspira grippi (Dall, 1908) (original combination)
83. Species Bela guernei Dautzenberg, 1891 accepted as Belomitra quadruplex (R. B. Watson, 1882) (unaccepted > junior subjective synonym)
84. Species Bela harpa Dall, 1885 accepted as Oenopota harpa (Dall, 1885) (unaccepted > superseded combination)
85. Species Bela hebes A. E. Verrill, 1880 accepted as Curtitoma hebes (A. E. Verrill, 1880) (unaccepted > superseded combination)
86. Species Bela holomera Locard, 1897 accepted as Gymnobela pyrrhogramma (Dautzenberg & H. Fischer, 1896) accepted as Austrobela pyrrhogramma (Dautzenberg & H. Fischer, 1896) (synonym)
87. Species Bela iessoensis E. A. Smith, 1875 accepted as Obesotoma iessoensis (E. A. Smith, 1875) (original combination)
88. Species Bela incisula A. E. Verrill, 1882 accepted as Curtitoma incisula (A. E. Verrill, 1882) (unaccepted > superseded combination)
89. Species Bela kobelti Verkrüzen, 1876 accepted as Granotoma kobelti (Verkrüzen, 1876) (original combination)
90. Species Bela koreni Friele, 1886 accepted as Oenopota koreni (Friele, 1886) (original combination)
91. Species Bela krausei Dall, 1887 accepted as Granotoma krausei (Dall, 1887) (unaccepted > superseded combination)
92. Species Bela laevigata (R. A. Philippi, 1836) accepted as Bela zonata (Locard, 1891)
93. Species Bela laevigata Dall, 1871 accepted as Obesotoma laevigata (Dall, 1871)
94. Species Bela lateplicata Strebel, 1905 accepted as Propebela lateplicata (Strebel, 1905) (unaccepted > superseded combination)
95. Species Bela limatula Locard, 1896 accepted as Amphissa acutecostata (R. A. Philippi, 1844)
96. Species Bela luetkeana A. Krause, 1885 accepted as Propebela luetkeana (A. Krause, 1885) (original combination)
97. Species Bela lütkeana A. Krause, 1885 accepted as Bela luetkeana A. Krause, 1885 accepted as Propebela luetkeana (A. Krause, 1885) (incorrect original spelling)
98. Species Bela magellanica (E. von Martens, 1881) accepted as Oenopota magellanica (E. von Martens, 1881) (unaccepted > superseded combination)
99. Species Bela martensi Strebel, 1905 accepted as Mangelia martensi (Strebel, 1905) (unaccepted > superseded combination)
100. Species Bela maurellei Dall & Bartsch, 1910 accepted as Oenopota maurellei (Dall & Bartsch, 1910) (original combination)
101. Species Bela metschigmensis A. Krause, 1885 accepted as Curtitoma trevelliana (W. Turton, 1834) (original combination)
102. Species Bela michaelseni Strebel, 1905 accepted as Mangelia michaelseni (Strebel, 1905) (unaccepted > superseded combination)
103. Species Bela mingoranceae Martín Pérez & Vera Peláez, 2007 accepted as Bela powisiana (Dautzenberg, 1887) (junior synonym)
104. Species Bela minuscularia Locard, 1897 accepted as Curtitoma violacea (Mighels & C. B. Adams, 1842) (synonym)
105. Species Bela miresculpta Bozzetti, 2020 accepted as Macteola miresculpta (Bozzetti, 2020) (original combination)
106. Species Bela mitralis A. Adams & Angas, 1864 accepted as Mitraguraleus mitralis (A. Adams & Angas, 1864) (original combination)
107. Species Bela mitrula Lovén, 1846 accepted as Propebela exarata (Møller, 1842) (synonym)
108. Species Bela multicostata Verkrüzen, 1878 accepted as Oenopota multicostata (Verkrüzen, 1878)
109. Species Bela murdochiana Dall, 1885 accepted as Oenopota murdochiana (Dall, 1885) (unaccepted > superseded combination)
110. Species Bela neozelanica Suter, 1908 accepted as Scrinium neozelanicum (Suter, 1908) (superseded combination)
111. Species Bela nobilis (Møller, 1842) accepted as Propebela nobilis (Møller, 1842)
112. Species Bela notophila Strebel, 1908 accepted as Strebela notophila (Strebel, 1908) (original combination)
113. Species Bela nuperrima (Tiberi, 1855) accepted as Vexiguraleus hispidulus (Bellardi, 1847)
114. Species Bela obliqua G. O. Sars, 1878 accepted as Oenopota obliqua (G. O. Sars, 1878) (unaccepted > superseded combination)
115. Species Bela optima Thiele, 1925 accepted as Microdrillia optima (Thiele, 1925) (unaccepted > superseded combination)
116. Species Bela ornata (Locard, 1891) accepted as Smithiella costulata (Risso, 1826) (unaccepted > junior objective synonym)
117. Species Bela paessleri Strebel, 1905 accepted as Mangelia paessleri (Strebel, 1905) (unaccepted > superseded combination)
118. Species Bela pelseneeri Strebel, 1908 accepted as Lorabela pelseneeri (Strebel, 1908) (original combination)
119. Species Bela pelseneri Strebel, 1908 accepted as Bela pelseneeri Strebel, 1908 accepted as Lorabela pelseneeri (Strebel, 1908) (incorrect original spelling: named after Paul Pelseneer)
120. Species Bela plicatula Thiele, 1912 accepted as Lorabela plicatula (Thiele, 1912) (original combination)
121. Species Bela polysarca (Dautzenberg & H. Fischer, 1896) accepted as Gymnobela frielei (A. E. Verrill, 1885)
122. Species Bela purissima Strebel, 1908 accepted as Typhlodaphne purissima (Strebel, 1908) (original combination)
123. Species Bela pygmaea A. E. Verrill, 1882 accepted as Curtitoma ovalis (Friele, 1877) (unaccepted > junior subjective synonym)
124. Species Bela pyramidalis (Strøm, 1788) accepted as Oenopota pyramidalis (Strøm, 1788)
125. Species Bela rathbuni A. E. Verrill, 1884 accepted as Oenopota rathbuni (A. E. Verrill, 1884) (unaccepted > superseded combination)
126. Species Bela recondita Locard, 1897 accepted as Gymnobela pyrrhogramma (Dautzenberg & H. Fischer, 1896) accepted as Austrobela pyrrhogramma (Dautzenberg & H. Fischer, 1896) (synonym)
127. Species Bela regina Thiele, 1925 accepted as Tomopleura regina (Thiele, 1925) (unaccepted > superseded combination)
128. Species Bela robusta A. S. Packard, 1866 accepted as Obesotoma robusta (A. S. Packard, 1866) (original combination)
129. Species Bela rugulata (Reeve, 1846) accepted as Propebela rugulata (Reeve, 1846)
130. Species Bela sansibarica Thiele, 1925 (unaccepted, invalid: homonym of Bela (Acrobela) sansibarica Thiele, 1925; Bela chuni Thiele, 1925 is a replacement name.)
131. Species Bela sarsii A. E. Verrill, 1880 (unaccepted > junior subjective synonym)
132. Species Bela scalaris (Møller, 1842) (unaccepted)
133. Species Bela scalaroides G. O. Sars, 1878 (unaccepted > superseded combination)
134. Species Bela schantarica (Middendorff, 1849) (unaccepted > superseded combination)
135. Species Bela schmidti Friele, 1886 (unaccepted, synonym)
136. Species Bela sculpturata Dall, 1887 (unaccepted, original combination)
137. Species Bela septangularis (Montagu, 1803) (unaccepted)
138. Species Bela septenvillei (Dautzenberg & Durouchoux, 1913) (unaccepted)
139. Species Bela simplicata Locard, 1896 (unaccepted)
140. Species Bela solida Dall, 1887 (unaccepted, original combination)
141. Species Bela spitzbergensis Friele, 1886 (unaccepted)
142. Species Bela striatula Thiele, 1912 (unaccepted, original combination)
143. Species Bela subarctica Derjugin, 1924 (unaccepted, synonym)
144. Species Bela subturgida A. E. Verrill, 1884 (unaccepted > superseded combination)
145. Species Bela subvitrea A. E. Verrill, 1884 (unaccepted > superseded combination)
146. Species Bela taprunensis [sic] (unaccepted, misspelling of Bela taprurensis (Pallary, 1904))
147. Species Bela tasmanica May, 1915 (unaccepted, treated by Hedley as junior secondary homonym of Daphnella tasmanica Tenison Woods, 1877; Asperdaphne bela is a replacement name)
148. Species Bela tenuicostata G. O. Sars, 1878 (unaccepted > superseded combination)
149. Species Bela tenuilirata Dall, 1871 (unaccepted > superseded combination)
150. Species Bela tumida Posselt, 1898 (unaccepted > superseded combination)
151. Species Bela turricola [sic] (unaccepted, misspelling)
152. Species Bela turricula (Montagu, 1803) (unaccepted)
153. Species Bela turriculata Locard, 1891 (unaccepted, synonym)
154. Species Bela turrita Strebel, 1908 (unaccepted, original combination)
155. Species Bela undata Verkrüzen, 1878 (unaccepted)
156. Species Bela violacea (Mighels & C. B. Adams, 1842) (unaccepted)
157. Species Bela woodiana (Møller, 1842) (unaccepted)
158. Species Bela ampla E. A. Smith, 1884 (uncertain > taxon inquirendum)
159. Species Bela fortis (Reeve, 1844) (uncertain > nomen dubium)
160. Species Bela minuta (Reeve, 1844) (uncertain > nomen dubium)
161. Species Bela obliquigratdata E. A. Smith, 1884 (uncertain > taxon inquirendum)
162. Species Bela turgida (Reeve, 1844) (uncertain > nomen dubium)
163. Species Bela turgida A. Gould, 1860 (uncertain > taxon inquirendum)
164. Species Bela undatella Gould, 1862 (uncertain > taxon inquirendum)

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