1. Species Gemmula acutangularis (Deshayes, 1834) †
2. Species Gemmula antedenticulata Lozouet, 2017 †
3. Species Gemmula askinae Stilwell & Zinsmeister, 1992 †
4. Species Gemmula badensis (R. Hoernes, 1875) †
5. Species Gemmula bearrizensis Pacaud, 2021 †
6. Species Gemmula bimarginata (Suter, 1917) †
7. Species Gemmula birmanica (Vredenburg, 1921) †
8. Species Gemmula boutillieri (de Boury, 1899) †
9. Species Gemmula brevirostris Lozouet, 2017 †
10. Species Gemmula clifdenensis A. W. B. Powell, 1942 †
11. Species Gemmula closterion Sysoev, 1997
12. Species Gemmula concinna (Dunker, 1871)
13. Species Gemmula coronata (Münster, 1841) †
14. Species Gemmula crenulata (Lamarck, 1804) †
15. Species Gemmula denticula (Basterot, 1825) †
16. Species Gemmula dertocarinulata (Sacco, 1904) †
17. Species Gemmula disjuncta Laws, 1936 †
18. Species Gemmula duplex (Suter, 1917) †
19. Species Gemmula filifera (Melleville, 1843) †
20. Species Gemmula funiculosa Lozouet, 2017 †
21. Species Gemmula garviei Tracey & Craig, 2019 †
22. Species Gemmula gellibrandensis Chapple, 1934 †
23. Species Gemmula genitiva Casey, 1904 †
24. Species Gemmula goossensi (de Boury, 1899) †
25. Species Gemmula granocostata (Sacco, 1904) †
26. Species Gemmula hindsiana S. S. Berry, 1958
27. Species Gemmula joncheryacensis (Staadt, 1913) †
28. Species Gemmula jungi Le Renard, 1994 †
29. Species Gemmula kaiparaensis (P. Marshall, 1918) †
30. Species Gemmula karangensis (K. Martin, 1895) †
31. Species Gemmula lawsi A. W. B. Powell, 1942 †
32. Species Gemmula longwoodensis A. W. B. Powell, 1942 †
33. Species Gemmula lordhoweensis Kantor & Sysoev, 1991
34. Species Gemmula margaritata (P. Marshall, 1919) †
35. Species Gemmula margaritosa Casey, 1904 †
36. Species Gemmula mellevillei (Cossmann, 1889) †
37. Species Gemmula metableta (Cossmann, 1889) †
38. Species Gemmula monilis (Brocchi, 1814) †
39. Species Gemmula nilssoni (Deshayes, 1865) †
40. Species Gemmula obesa Lozouet, 2017 †
41. Species Gemmula orba Marwick, 1931 †
42. Species Gemmula ornata (P. Marshall, 1918) †
43. Species Gemmula osca Pacaud, 2021 †
44. Species Gemmula peraspera Marwick, 1931 †
45. Species Gemmula peyrerensis (Peyrot, 1931) †
46. Species Gemmula polita (P. Marshall, 1919) †
47. Species Gemmula pulchella Shuto, 1961 †
48. Species Gemmula reticulata (P. Marshall, 1919) †
49. Species Gemmula rockcreekensis Hickman, 1976 †
50. Species Gemmula rotata (Brocchi, 1814) †
51. Species Gemmula samueli (Tenison Woods, 1879) †
52. Species Gemmula schafferi (Kautsky, 1925) †
53. Species Gemmula sculpturata Harzhauser, Raven & Landau, 2018 †
54. Species Gemmula staadti (Cossmann, 1913) †
55. Species Gemmula submonilifera (de Boury, 1899) †
56. Species Gemmula taylori (Garvie, 1996) †
57. Species Gemmula tenuistriata (Deshayes, 1834) †
58. Species Gemmula traceyi J. K. Tucker & Le Renard, 1993 †
59. Species Gemmula trifasciata (M. Hörnes, 1854) †
60. Species Gemmula tuckeri Tracey & Craig, 2019 †
61. Species Gemmula waihaoensis Finlay, 1924 †
62. Species Gemmula wateleti (Deshayes, 1865) †
63. Species Gemmula woodwardi (K. Martin, 1884) †
64. Subgenus Gemmula (Clavogemmula) Long, 1981 † accepted as Clavogemmula Long, 1981 † (unaccepted > superseded rank)
    1. Species Gemmula (Clavogemmula) prima Long, 1981 † accepted as Clavogemmula prima (Long, 1981) † (unaccepted > superseded combination)
65. Subgenus Gemmula (Coroniopsis) MacNeil, 1984 † accepted as Coroniopsis MacNeil, 1984 † (original rank)
66. Subgenus Gemmula (Gemmula) Weinkauff, 1875 accepted as Gemmula Weinkauff, 1875
    1. Species Gemmula (Gemmula) championi Kilburn, 1983 accepted as Eugemmula championi (Kilburn, 1983) (unaccepted > superseded combination)
    2. Species Gemmula (Gemmula) cosmoi (Sykes, 1930) accepted as Oliveragemmula cosmoi (Sykes, 1930) (unaccepted > superseded combination)
    3. Species Gemmula (Gemmula) gilchristi (G. B. Sowerby III, 1902) accepted as Oliveragemmula gilchristi (G. B. Sowerby III, 1902) (unaccepted > superseded combination)
    4. Species Gemmula (Gemmula) kieneri (Doumet, 1840) accepted as Oliveragemmula kieneri (Doumet, 1840) (unaccepted > superseded combination)
    5. Species Gemmula (Gemmula) monilifera (Pease, 1861) accepted as Eugemmula monilifera (Pease, 1860) (unaccepted > superseded combination)
    6. Species Gemmula (Gemmula) rarimaculata Kuroda & Oyama, 1971 accepted as Powelligemmula rarimaculata (Kuroda & Oyama, 1971)
    7. Species Gemmula (Gemmula) rosario Shikama & Hayashi, 1977 accepted as Oliveragemmula rosario (Shikama & Hayashi, 1977) (unaccepted > superseded combination)
    8. Species Gemmula (Gemmula) webberae Kilburn, 1975 accepted as Cryptogemma webberae (Kilburn, 1975)
67. Subgenus Gemmula (Kuroshioturris) Shuto, 1961 accepted as Kuroshioturris Shuto, 1961
    1. Species Gemmula (Kuroshioturris) hyugaensis Shuto, 1961 † accepted as Kuroshioturris hyugaensis (Shuto, 1961) (superseded combination)
68. Subgenus Gemmula (Pinguigemmula) MacNeil, 1961 accepted as Cryptogemma Dall, 1918
    1. Species Gemmula (Pinguigemmula) thielei H. J. Finlay, 1930 accepted as Gemmula thielei H. J. Finlay, 1930 accepted as Cryptogemma aethiopica (Thiele, 1925) (unaccepted > junior subjective synonym)
69. Subgenus Gemmula (Ptychosyrinx) Thiele, 1925 accepted as Ptychosyrinx Thiele, 1925 accepted as Cryptogemma Dall, 1918
    1. Species Gemmula (Ptychosyrinx) lobata (G. B. Sowerby III, 1903) accepted as Ptychosyrinx lobata (G. B. Sowerby III, 1903) accepted as Cryptogemma praesignis (E. A. Smith, 1895)
    2. Species Gemmula (Ptychosyrinx) lobatiopsis (Barnard, 1963) accepted as Clionella lobatopsis (Barnard, 1963)
    3. Species Gemmula (Ptychosyrinx) lordhoweensis Kantor & Sysoev, 1991 accepted as Cryptogemma praesignis (E. A. Smith, 1895)
    4. Species Gemmula (Ptychosyrinx) nipponica Shuto, 1961 † accepted as Kuroshioturris nipponica (Shuto, 1961) (superseded combination)
    5. Species Gemmula (Ptychosyrinx) pseudostupa Y.-P. Cheng & C.-Y. Lee, 2011 accepted as Gemmuloborsonia pseudostupa (Y.-P. Cheng & C.-Y. Lee, 2011) (unaccepted > superseded combination)
70. Subgenus Gemmula (Unedogemmula) MacNeil, 1961 accepted as Unedogemmula MacNeil, 1961
    1. Species Gemmula (Unedogemmula) ugaliensis (Makiyama, 1927) †
    2. Species Gemmula (Unedogemmula) bemmeleni (Oostingh, 1941) † accepted as Unedogemmula bemmeleni (Oostingh, 1941) † (unaccepted > superseded combination)
    3. Species Gemmula (Unedogemmula) butonensis (K. Martin, 1933) † accepted as Unedogemmula butonensis (K. Martin, 1933) †
71. Species Gemmula aethiopica (Thiele, 1925) accepted as Cryptogemma aethiopica (Thiele, 1925) (unaccepted > superseded combination)
72. Species Gemmula albina (Lamarck, 1822) accepted as Anisogemmula albina (Lamarck, 1822) (unaccepted > superseded combination)
73. Species Gemmula alwyni Kilburn, 2005 accepted as Unedogemmula alwyni (Kilburn, 2005) (unaccepted > superseded combination)
74. Species Gemmula amabilis (Weinkauff, 1875) accepted as Eugemmula amabilis (Weinkauff, 1875) (unaccepted > superseded combination)
75. Species Gemmula ambara B. M. Olivera, Hillyard & Watkins, 2008 accepted as Anisogemmula ambara (B. M. Olivera, Hillyard & Watkins, 2008) (unaccepted > superseded combination)
76. Species Gemmula benthima Dall, 1908 accepted as Cryptogemma phymatias (R. B. Watson, 1886)
77. Species Gemmula bisinuata (E. von Martens, 1901) accepted as Cryptogemma praesignis (E. A. Smith, 1895) (unaccepted > junior subjective synonym)
78. Species Gemmula championi Kilburn, 1983 accepted as Eugemmula championi (Kilburn, 1983) (unaccepted > superseded combination)
79. Species Gemmula congener (E. A. Smith, 1894) accepted as Oliveragemmula congener (E. A. Smith, 1894) (unaccepted > superseded combination)
80. Species Gemmula cosmoi (Sykes, 1930) accepted as Oliveragemmula cosmoi (Sykes, 1930) (unaccepted > superseded combination)
81. Species Gemmula dampierana A. W. B. Powell, 1964 accepted as Oliveragemmula dampierana (A. W. B. Powell, 1964) (unaccepted > superseded combination)
82. Species Gemmula deshayesii (Doumet, 1840) accepted as Unedogemmula deshayesii (Doumet, 1840) accepted as Deceptigemmula deshayesii (Doumet, 1840)
83. Species Gemmula diomedea A. W. B. Powell, 1964 accepted as Oliveragemmula diomedea (A. W. B. Powell, 1964) (unaccepted > superseded combination)
84. Species Gemmula ducalis (Thiele, 1925) accepted as Cryptogemma praesignis (E. A. Smith, 1895)
85. Species Gemmula eldorana Dall, 1908 accepted as Cryptogemma eldorana (Dall, 1908) (superseded combination)
86. Species Gemmula esuriens Dall, 1908 accepted as Borsonella callicesta (Dall, 1902) (unaccepted > junior subjective synonym)
87. Species Gemmula fenestrata Kosuge, 1990 accepted as Taylorigemmula fenestrata (Kosuge, 1990) (unaccepted > superseded combination)
88. Species Gemmula gemmata (Reeve, 1843) accepted as Gemmula hindsiana S. S. Berry, 1958
89. Species Gemmula gemmulina (E. von Martens, 1902) accepted as Kilburnigemmula gemmulina (E. von Martens, 1902) (unaccepted > superseded combination)
90. Species Gemmula gilchristi (G. B. Sowerby III, 1902) accepted as Oliveragemmula gilchristi (G. B. Sowerby III, 1902) (unaccepted > superseded combination)
91. Species Gemmula graeffei (Weinkauff, 1875) accepted as Anisogemmula graeffei (Weinkauff, 1875) (unaccepted > superseded combination)
92. Species Gemmula hastula (Reeve, 1843) accepted as Deceptigemmula hastula (Reeve, 1843) (unaccepted > superseded combination)
93. Species Gemmula hawleyi (Iredale, 1931) accepted as Eugemmula hawleyi Iredale, 1931 (unaccepted > superseded combination)
94. Species Gemmula herilda Dall, 1908 accepted as Leucosyrinx herilda (Dall, 1908) (superseded combination)
95. Species Gemmula hombroni Hedley, 1922 accepted as Eugemmula hombroni (Hedley, 1922) (unaccepted > superseded combination)
96. Species Gemmula husamaru (Nomura, 1940) accepted as Turris husamaru Nomura, 1940
97. Species Gemmula hyugaensis Shuto, 1961 accepted as Kuroshioturris hyugaensis (Shuto, 1961) (superseded combination)
98. Species Gemmula indagatoris H. J. Finlay, 1927 accepted as Lucerapex indagatoris (H. J. Finlay, 1927) (superseded combination)
99. Species Gemmula insensa (Finlay, 1924) † accepted as Eoturris complicata (Suter, 1917) † (junior objective synonym)
100. Species Gemmula kieneri (Doumet, 1840) accepted as Oliveragemmula kieneri (Doumet, 1840) (unaccepted > superseded combination)
101. Species Gemmula lisajoni B. M. Olivera, 1999 accepted as Anisogemmula lisajoni (B. M. Olivera, 1999) (unaccepted > superseded combination)
102. Species Gemmula lobata (G. B. Sowerby III, 1903) accepted as Cryptogemma praesignis (E. A. Smith, 1895)
103. Species Gemmula luzonica (A. W. B. Powell, 1964) accepted as Cryptogemma aethiopica (Thiele, 1925)
104. Species Gemmula martini (Tesch, 1915) accepted as Unedogemmula martini (Tesch, 1915) (unaccepted > superseded combination)
105. Species Gemmula microscelida (Dall, 1895) accepted as Cryptogemma praesignis (E. A. Smith, 1895)
106. Species Gemmula monilifera (Pease, 1860) accepted as Eugemmula monilifera (Pease, 1860) (unaccepted > superseded combination)
107. Species Gemmula murrayi A. W. B. Powell, 1964 accepted as Oliveragemmula murrayi (A. W. B. Powell, 1964) (unaccepted > superseded combination)
108. Species Gemmula nipponica Shuto, 1961 accepted as Kuroshioturris nipponica (Shuto, 1961) (superseded combination)
109. Species Gemmula periscelida (Dall, 1889) accepted as Cryptogemma periscelida (Dall, 1889)
110. Species Gemmula praesignis (E. A. Smith, 1895) accepted as Cryptogemma praesignis (E. A. Smith, 1895)
111. Species Gemmula prima Long, 1981 † accepted as Clavogemmula prima (Long, 1981) † (unaccepted > superseded combination)
112. Species Gemmula pseudogranosa (Nomura, 1940) accepted as Pseudogemmula pseudogranosa (Nomura, 1940) (unaccepted > superseded combination)
113. Species Gemmula pseudomonilifera A. W. B. Powell, 1967 accepted as Powelligemmula pseudomonilifera (A. W. B. Powell, 1967) (unaccepted > superseded combination)
114. Species Gemmula pseudostupa Y.-P. Cheng & C.-Y. Lee, 2011 accepted as Gemmuloborsonia pseudostupa (Y.-P. Cheng & C.-Y. Lee, 2011) (unaccepted > superseded combination)
115. Species Gemmula pulchella Shuto, 1961 sensu Kuroda et al., 1971 accepted as Gemmula championi Kilburn, 1983 accepted as Eugemmula championi (Kilburn, 1983)
116. Species Gemmula rarimaculata Kuroda & Oyama, 1971 accepted as Powelligemmula rarimaculata (Kuroda & Oyama, 1971) (unaccepted > superseded combination)
117. Species Gemmula rosario Shikama & Hayashi, 1977 accepted as Oliveragemmula rosario (Shikama & Hayashi, 1977) (unaccepted > superseded combination)
118. Species Gemmula rotatilis (E. von Martens, 1902) accepted as Cryptogemma praesignis (E. A. Smith, 1895) (unaccepted > junior subjective synonym)
119. Species Gemmula serilla Dall, 1908 accepted as Anticlinura serilla (Dall, 1908) (original combination)
120. Species Gemmula sibogae (Schepman, 1913) accepted as Unedogemmula sibogae (Schepman, 1913) (unaccepted > superseded combination)
121. Species Gemmula sibukoensis A. W. B. Powell, 1964 accepted as Unedogemmula sibukoensis (A. W. B. Powell, 1964) (unaccepted > superseded combination)
122. Species Gemmula sikatunai B. M. Olivera, 2005 accepted as Unedogemmula sikatunai (B. M. Olivera, 2005) (unaccepted > superseded combination)
123. Species Gemmula sogodensis B. M. Olivera, 2005 accepted as Oliveragemmula sogodensis (B. M. Olivera, 2005) (unaccepted > superseded combination)
124. Species Gemmula speciosa (Reeve, 1842) accepted as Oliveragemmula speciosa (Reeve, 1842) (unaccepted > superseded combination)
125. Species Gemmula stupa Y.-C. Lee, 2001 accepted as Gemmuloborsonia stupa (Y.-C. Lee, 2001) (unaccepted > superseded combination)
126. Species Gemmula subaequalis (G. B. Sowerby I, 1846) † accepted as Ptychosyrinx subaequalis (G. B. Sowerby I, 1846) † (unaccepted > superseded combination)
127. Species Gemmula subfenestrata Kosuge, 1990 accepted as Oliveragemmula subfenestrata (Kosuge, 1990) (unaccepted > superseded combination)
128. Species Gemmula teschi (A. W. B. Powell, 1964) accepted as Cryptogemma timorensis (Tesch, 1915)
129. Species Gemmula tessellata A. W. B. Powell, 1967 accepted as Cryptogemma tessellata (A. W. B. Powell, 1967) (superseded combination)
130. Species Gemmula thielei H. J. Finlay, 1930 accepted as Cryptogemma aethiopica (Thiele, 1925) (unaccepted > junior subjective synonym)
131. Species Gemmula truncata (Schepman, 1913) accepted as Cryptogemma phymatias (R. B. Watson, 1886)
132. Species Gemmula unedo (Kiener, 1839) accepted as Unedogemmula unedo (Kiener, 1839)
133. Species Gemmula unilineata A. W. B. Powell, 1967 accepted as Cryptogemma unilineata (A. W. B. Powell, 1967)
134. Species Gemmula vagata (E. A. Smith, 1895) accepted as Oliveragemmula vagata (E. A. Smith, 1895) (unaccepted > superseded combination)
135. Species Gemmula vicella Dall, 1908 accepted as Gymnobela vicella (Dall, 1908) (superseded combination)
136. Species Gemmula webberae Kilburn, 1975 accepted as Cryptogemma webberae (Kilburn, 1975)
137. Species Gemmula westaustralis Kosuge, 1990 accepted as Oliveragemmula westaustralis (Kosuge, 1990) (unaccepted > superseded combination)
138. Species Gemmula chinoi Stahlschmidt, Poppe & Tagaro, 2018 (uncertain > taxon inquirendum)
139. Species Gemmula clossi Figueiras & Broggi, 1976 † (uncertain > unassessed)
140. Species Gemmula contrasta Stahlschmidt, Poppe & Tagaro, 2018 (uncertain > taxon inquirendum)
141. Species Gemmula flata B.-Q. Li & X.-Z. Li, 2008 (uncertain > taxon inquirendum)
142. Species Gemmula grandigyrata B.-Q. Li & X.-Z. Li, 2008 (uncertain > taxon inquirendum)
143. Species Gemmula granosa (Helbling, 1779) (uncertain > taxon inquirendum)
144. Species Gemmula interpolata A. W. B. Powell, 1967 (uncertain > taxon inquirendum)
145. Species Gemmula lululimi B. M. Olivera, 2000 (uncertain > taxon inquirendum)
146. Species Gemmula mystica Simone, 2005 (uncertain > taxon inquirendum)
147. Species Gemmula oliverai Stahlschmidt, Poppe & Tagaro, 2018 (uncertain > taxon inquirendum)

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