1. Species Gymnobela abyssorum (Locard, 1897)
2. Species Gymnobela adenica Sysoev, 1996
3. Species Gymnobela agassizii (A. E. Verrill & S. Smith, 1880) (accepted > unreplaced junior homonym, primary homonym of Pleurotoma agassizi Bellardi, 1847)
4. Species Gymnobela altispira Sysoev & D. L. Ivanov, 1985
5. Species Gymnobela angulosa Sysoev, 1988
6. Species Gymnobela aquilarum (R. B. Watson, 1882)
7. Species Gymnobela atypha (K. J. Bush, 1893)
8. Species Gymnobela augusta Thiele, 1925
9. Species Gymnobela bairdii (A. E. Verrill & S. Smith, 1884)
10. Species Gymnobela brachypleura Sysoev, 1990
11. Species Gymnobela brunnistriata Sysoev, 1990
12. Species Gymnobela ceramensis (Schepman, 1913)
13. Species Gymnobela chistikovi Sysoev & D. L. Ivanov, 1985
14. Species Gymnobela chyta (R. B. Watson, 1881)
15. Species Gymnobela crassilirata Sysoev, 1990
16. Species Gymnobela dagama (Barnard, 1963)
17. Species Gymnobela daphnelloides (Dall, 1895)
18. Species Gymnobela dautzenbergi (Knudsen, 1952)
19. Species Gymnobela dubia (Schepman, 1913)
20. Species Gymnobela edgariana (Dall, 1889)
21. Species Gymnobela emertoni (A. E. Verrill & S. Smith, 1884)
22. Species Gymnobela engonia A. E. Verrill, 1884
23. Species Gymnobela eridmata Sysoev & Bouchet, 2001
24. Species Gymnobela eugenia Sysoev & D. L. Ivanov, 1985
25. Species Gymnobela felderi E. F. García, 2005
26. Species Gymnobela filifera (Dall, 1881)
27. Species Gymnobela fredericqae E. F. García, 2005
28. Species Gymnobela frielei (A. E. Verrill, 1885)
29. Species Gymnobela glaucocreas (Barnard, 1963)
30. Species Gymnobela gracilis Sysoev, 1990
31. Species Gymnobela granulisculpturata Sysoev, 1990
32. Species Gymnobela guineensis Thiele, 1925
33. Species Gymnobela illicita Dall, 1927
34. Species Gymnobela ioessa Sysoev, 1997
35. Species Gymnobela lamyi (Dautzenberg, 1925)
36. Species Gymnobela lanceata Dall, 1927
37. Species Gymnobela laticaudata Sysoev, 1990
38. Species Gymnobela leptoglypta (Dautzenberg & H. Fischer, 1896)
39. Species Gymnobela midpacifica Stahlschmidt & Chino, 2012
40. Species Gymnobela mitrodeta Sysoev, 1997
41. Species Gymnobela multilirata Ortega & Gofas, 2019
42. Species Gymnobela muricata Sysoev, 1997
43. Species Gymnobela nivea Sysoev, 1990
44. Species Gymnobela petiti E. F. García, 2005
45. Species Gymnobela phyxanor (R. B. Watson, 1886)
46. Species Gymnobela pulchra (Schepman, 1913)
47. Species Gymnobela rotundata Sysoev, 1990
48. Species Gymnobela subaraneosa (Dautzenberg & H. Fischer, 1896)
49. Species Gymnobela turrispira Sysoev, 1990
50. Species Gymnobela verecunda (Barnard, 1963)
51. Species Gymnobela vicella (Dall, 1908)
52. Species Gymnobela virgulata Sysoev & Bouchet, 2001
53. Species Gymnobela xaioca Figueira & Absalão, 2012
54. Species Gymnobela xylona (Dall, 1908)
55. Species Gymnobela yoshidai (Kuroda & Habe, 1961)
56. Subgenus Gymnobela (Bathybela) Kobelt, 1905 accepted as Bathybela Kobelt, 1905 (unaccepted > superseded rank)
    1. Species Gymnobela (Bathybela) africana Sysoev, 1996 accepted as Spergo africana (Sysoev, 1996) (unaccepted > superseded combination)
    2. Species Gymnobela (Bathybela) oculifera Kantor & Sysoev, 1986 accepted as Spergo oculifera (Kantor & Sysoev, 1986) (unaccepted > superseded combination)
57. Species Gymnobela adenicus [sic] accepted as Gymnobela adenica Sysoev, 1996 (incorrect gender ending)
58. Species Gymnobela africana Sysoev, 1996 accepted as Spergo africana (Sysoev, 1996) (unaccepted > superseded combination)
59. Species Gymnobela agassizi [sic] accepted as Gymnobela agassizii (A. E. Verrill & S. Smith, 1880) (misspelling)
60. Species Gymnobela baruna Sysoev, 1997 accepted as Pagodibela baruna (Sysoev, 1997) (original combination)
61. Species Gymnobela blakeana (Dall, 1881) accepted as Mioawateria blakeana (Dall, 1881) (unaccepted > superseded combination)
62. Species Gymnobela brachis (Dall, 1919) accepted as Mioawateria brachis (Dall, 1919) (unaccepted > superseded combination)
63. Species Gymnobela brevis A. E. Verrill, 1885 accepted as Gymnobela aquilarum (R. B. Watson, 1882) (unaccepted > junior subjective synonym)
64. Species Gymnobela bululi Stahlschmidt, Poppe & Tagaro, 2018 accepted as Spergo bululi (Stahlschmidt, Poppe & Tagaro, 2018) (unaccepted > superseded combination)
65. Species Gymnobela camerunensis Thiele, 1925 accepted as Theta camerunensis (Thiele, 1925) (unaccepted > superseded combination)
66. Species Gymnobela chariessa (R. B. Watson, 1881) accepted as Theta chariessa (R. B. Watson, 1881) (unaccepted > superseded combination)
67. Species Gymnobela chrysopelex (Barnard, 1963) accepted as Theta chrysopelex (Barnard, 1963) (unaccepted > superseded combination)
68. Species Gymnobela clara Thiele, 1925 accepted as Mioawateria clara (Thiele, 1925) (unaccepted > superseded combination)
69. Species Gymnobela curta A. E. Verrill, 1884 accepted as Gymnobela aquilarum (R. B. Watson, 1882) (unaccepted > junior subjective synonym)
70. Species Gymnobela erronea Thiele, 1925 accepted as Mioawateria erronea (Thiele, 1925) (unaccepted > superseded combination)
71. Species Gymnobela extensa (Dall, 1881) accepted as Mioawateria extensa (Dall, 1881) (unaccepted > superseded combination)
72. Species Gymnobela fulvotincta (Dautzenberg & H. Fischer, 1896) accepted as Austrobela fulvotincta (Dautzenberg & H. Fischer, 1896) (unaccepted > superseded combination)
73. Species Gymnobela grundifera Dall, 1927 accepted as Daphnella grundifera (Dall, 1927) (original combination)
74. Species Gymnobela gypsata (R. B. Watson, 1881) accepted as Austrobela gypsata (R. B. Watson, 1881) (unaccepted > superseded combination)
75. Species Gymnobela homeotata [sic] accepted as Gymnobela homoeotata (R. B. Watson, 1886) accepted as Theta homoeotata (R. B. Watson, 1886) (unaccepted > misspelling - incorrect subsequent spelling)
76. Species Gymnobela homoeotata (R. B. Watson, 1886) accepted as Theta homoeotata (R. B. Watson, 1886) (unaccepted > superseded combination)
77. Species Gymnobela imitator Dall, 1927 accepted as Mioawateria imitator (Dall, 1927) (unaccepted > superseded combination)
78. Species Gymnobela isogonia (Dall, 1908) accepted as Mioawateria isogonia (Dall, 1908) (unaccepted > superseded combination)
79. Species Gymnobela judithae A. H. Clarke, 1989 accepted as Gymnobela extensa (Dall, 1881) accepted as Mioawateria extensa (Dall, 1881) (unaccepted > junior subjective synonym)
80. Species Gymnobela latistriata Kantor & Sysoev, 1986 accepted as Theta latistriata (Kantor & Sysoev, 1986) (unaccepted > superseded combination)
81. Species Gymnobela lineola (Dall, 1927) accepted as Pleurotomella lineola Dall, 1927
82. Species Gymnobela lyroniclea [sic] accepted as Gymnobela lyronuclea (A. H. Clarke, 1959) accepted as Theta lyronuclea (A. H. Clarke, 1959) (misspelling)
83. Species Gymnobela lyronuclea (A. H. Clarke, 1959) accepted as Theta lyronuclea (A. H. Clarke, 1959) (unaccepted > superseded combination)
84. Species Gymnobela malmii (Dall, 1889) accepted as Mioawateria malmii (Dall, 1889) (unaccepted > superseded combination)
85. Species Gymnobela micraulax Sysoev, 1997 accepted as Austrobela micraulax (Sysoev, 1997) (original combination)
86. Species Gymnobela nudator (Locard, 1897) accepted as Bathybela nudator (Locard, 1897)
87. Species Gymnobela oculifera Kantor & Sysoev, 1986 accepted as Spergo oculifera (Kantor & Sysoev, 1986) (unaccepted > superseded combination)
88. Species Gymnobela procera Sysoev & Bouchet, 2001 accepted as Austrobela procera (Sysoev & Bouchet, 2001) (original combination)
89. Species Gymnobela pyrrhogramma (Dautzenberg & H. Fischer, 1896) accepted as Austrobela pyrrhogramma (Dautzenberg & H. Fischer, 1896)
90. Species Gymnobela rhomboidea Thiele, 1925 accepted as Mioawateria rhomboidea (Thiele, 1925) (original combination)
91. Species Gymnobela sibogae (Schepman, 1913) accepted as Spergo sibogae Schepman, 1913
92. Species Gymnobela tenelluna (Locard, 1897) accepted as Bathybela tenelluna (Locard, 1897)
93. Species Gymnobela tenellunum [sic] accepted as Gymnobela tenelluna (Locard, 1897) accepted as Bathybela tenelluna (Locard, 1897) (incorrect gender ending)
94. Species Gymnobela vayssierei (Dautzenberg, 1925) accepted as Theta vayssierei (Dautzenberg, 1925) (unaccepted > superseded combination)
95. Species Gymnobela virgo (Okutani, 1966) accepted as Bathytoma virgo (Okutani, 1966)
96. Species Gymnobela watsoni (Dautzenberg, 1889) accepted as Mioawateria watsoni (Dautzenberg, 1889)

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