1. Genus Ademitrella Ludbrook, 1941 †
2. Genus Aesopus A. A. Gould, 1860
3. Genus Alcira H. Adams, 1861
4. Genus Alia H. Adams & A. Adams, 1853
5. Genus Amphissa H. Adams & A. Adams, 1853
6. Genus Antimitrella A. W. B. Powell, 1937
7. Genus Antizafra H. J. Finlay, 1926 †
8. Genus Aoteatilia A. W. B. Powell, 1939
9. Genus Ascalista Drivas & M. Jay, 1990
10. Genus Astyris H. Adams & A. Adams, 1853
11. Subfamily Atiliinae Cossmann, 1901
    1. Genus Anachis H. Adams & A. Adams, 1853
12. Genus Auingeria Harzhauser & Landau, 2021 †
13. Genus Bathyglypta Pelorce, 2017
14. Genus Bellacolumbella Harzhauser & Landau, 2021 †
15. Genus Bifurcium P. Fischer, 1884
16. Genus Cigclirina Woodring, 1928 †
17. Genus Cilara Thiele, 1924
18. Genus Clathranachis Kuroda & T. Habe, 1954
19. Genus Clavistrombina P. Jung, 1989
20. Genus Clinurella Sacco, 1890 †
21. Genus Columbella Lamarck, 1799
22. Subfamily Columbellinae Swainson, 1840
23. Genus Columbellisipho Cossmann, 1889 †
24. Genus Conella Swainson, 1840
25. Genus Cosmioconcha Dall, 1913
26. Genus Costoanachis Sacco, 1890
27. Genus Cotonopsis Olsson, 1942
28. Genus Decipifus Olsson & McGinty, 1958
29. Genus Defensina Harzhauser & Landau, 2021 †
30. Genus Dorsina P. Jung, 1989
31. Genus Euplica Dall, 1889
32. Genus Eurypyrene Woodring, 1928
33. Genus Euspiralta K. Monsecour & Pelorce, 2013
34. Genus Exaesopus deMaintenon, 2019
35. Genus Exomilopsis A. W. B. Powell, 1964
36. Genus Falsuszafrona Pelorce, 2020
37. Genus Gatliffena Iredale, 1929
38. Genus Glyptanachis Pilsbry & H. N. Lowe, 1932
39. Genus Graphicomassa Iredale, 1929
40. Genus Indomitrella Oostingh, 1940
41. Genus Ithiaesopus Olsson & Harbison, 1953
42. Genus Juliamitrella L. D. Campbell, 1993 †
43. Genus Lachesiella Kantor, Fedosov, Bouchet & Puillandre, 2026
44. Genus Liratilia H. J. Finlay, 1926
45. Genus Macgintopsis Olsson & Harbison, 1953 †
46. Genus Macrozafra H. J. Finlay, 1926
47. Genus Maintenonia K. Monsecour & D. Monsecour, 2024
48. Genus Martaia Harzhauser & Landau, 2021 †
49. Genus Mazatlania Dall, 1900
50. Genus Metanachis Thiele, 1924
51. Genus Metulella Gabb, 1873
52. Genus Microcithara P. Fischer, 1884
53. Genus Minimanachis Pelorce, 2020
54. Genus Mitrella Risso, 1826
55. Genus Mitropsis Pease, 1868
56. Genus Mokumea T. Habe, 1991
57. Genus Nassarina Dall, 1889
58. Genus Nitidella Swainson, 1840
59. Genus Nodochila Rehder, 1980
60. Genus Orthurella Sacco, 1890 †
61. Genus Parametaria Dall, 1916
62. Genus Pardalinops deMaintenon, 2008
63. Genus Parvanachis Radwin, 1968
64. Genus Paxula H. J. Finlay, 1926
65. Genus Pictocolumbella T. Habe, 1945
66. Genus Pleuriferapex K. Monsecour & D. Monsecour, 2023
67. Genus Pseudamycla Pace, 1902
68. Genus Pseudopisania Cossmann, 1897 †
69. Genus Pyrene Röding, 1798
70. Genus Pyreneola Iredale, 1918
71. Genus Radwinia Shasky, 1970
72. Genus Ramoliva Cotton & Godfrey, 1932
73. Genus Redfernella Espinosa & Ortea, 2020
74. Genus Retizafra Hedley, 1913
75. Genus Rhombinella Radwin, 1968
76. Genus Ruthia Shasky, 1970
77. Genus Salitra Marincovich, 1973
78. Genus Scabrella Sacco, 1890 †
79. Genus Seminella Pease, 1868
80. Genus Sinaxila Jung, 1989 †
81. Genus Sincola Olsson & Harbison, 1953
82. Genus Smithena F. Boyer, Pelorce & Gori, 2022
83. Genus Speirazafra K. Monsecour & Raines, 2024
84. Genus Steironepion Pilsbry & H. N. Lowe, 1932
85. Genus Strombina Mörch, 1852
86. Genus Strombinella Dall, 1896 †
87. Genus Sulcomitrella Kuroda, T. Habe & Oyama, 1971
88. Genus Suturoglypta Radwin, 1968
89. Genus Thiarella Sacco, 1890 †
90. Genus Thiarinella Sacco, 1890
91. Genus Trahaldia Pacaud, 2017 †
92. Genus Turricolumbus Cossmann, 1901 †
93. Genus Turrijaumelia Sarasúa, 1975
94. Genus Urpiella Arias Ávila, 2021
95. Genus Zafra A. Adams, 1860
96. Genus Zafrona Iredale, 1916
97. Genus Zanassarina Pilsbry & H. N. Lowe, 1932
98. Genus Zella Iredale, 1924
99. Genus Zemitrella H. J. Finlay, 1926
100. Genus Zetekia Dall, 1918
101. Genus Pygmaea Mörch, 1859 (uncertain > taxon inquirendum)
102. Genus Streptorygma Weisbord, 1962 † (uncertain, status in recent literature not researched by editor)
103. Genus Anachys [sic] accepted as Anachis H. Adams & A. Adams, 1853 (misspelling)
104. Genus Atilia H. Adams & A. Adams, 1853 accepted as Anachis H. Adams & A. Adams, 1853 (unaccepted > junior subjective synonym)
105. Genus Attilia [sic] accepted as Atilia H. Adams & A. Adams, 1853 accepted as Anachis H. Adams & A. Adams, 1853 (unaccepted > misspelling - incorrect subsequent spelling)
106. Genus Bastropia K. van W. Palmer, 1937 † accepted as Mitrella (Bastropia) K. van W. Palmer, 1937 † represented as Mitrella Risso, 1826 (unaccepted > superseded rank)
107. Genus Brachystyloma Weisbord, 1962 † accepted as Costoanachis Sacco, 1890 (unaccepted > junior subjective synonym)
108. Genus Colombella [sic] accepted as Columbella Lamarck, 1799 (incorrect subsequent spelling)
109. Genus Colombellarius Duméril, 1805 accepted as Columbella Lamarck, 1799 (unaccepted > junior subjective synonym)
110. Genus Columbela [sic] accepted as Columbella Lamarck, 1799 (unaccepted > misspelling - incorrect subsequent spelling)
111. Genus Columbellopsis Bucquoy, Dautzenberg & Dollfus, 1882 accepted as Mitrella Risso, 1826 (unaccepted > junior subjective synonym)
112. Genus Columbus Montfort, 1810 accepted as Columbella Lamarck, 1799 (incorrect subsequent spelling or unjustified emendation)
113. Genus Columella [sic] accepted as Columbella Lamarck, 1799 (misspelling by Boettger, 1883)
114. Genus Conidea Swainson, 1840 accepted as Pyrene Röding, 1798 (unaccepted > junior objective synonym)
115. Genus Dentimitrella Ludbrook, 1958 accepted as Mitrella (Dentimitrella) Ludbrook, 1958 represented as Mitrella Risso, 1826
116. Genus Euryta H. Adams & A. Adams, 1853 accepted as Mazatlania Dall, 1900 (Invalid: Junior homonym of Euryta Gistel, 1848 [Cnidaria]; Mazatlania is a replacement name)
117. Genus Lavesopus Iredale, 1929 accepted as Aesopus A. A. Gould, 1860 (unaccepted > junior subjective synonym)
118. Genus Meta Reeve, 1859 accepted as Parametaria Dall, 1916 (Invalid: Junior homonym of Meta Koch, 1835 [Arachnida]; Parametaria is a replacement name)
119. Genus Pardalina Jousseaume, 1888 accepted as Pardalinops deMaintenon, 2008 (invalid: junior homonym of Pardalina Gray, 1867 [Mammalia]; Pardalinops is a replacement name)
120. Genus Pardanilops [sic] accepted as Pardalinops deMaintenon, 2008 (misspelling)
121. Genus Pleurifera Drivas & M. Jay, 1997 accepted as Pleuriferapex K. Monsecour & D. Monsecour, 2023 (unaccepted > junior homonym, invalid: junior homonym of Pleurifera Gramann, 1962 [Ostracoda])
122. Genus Pleurotomitrella T. Habe, 1958 accepted as Pyreneola Iredale, 1918 (unaccepted > junior subjective synonym)
123. Genus Psarostola Rehder, 1943 accepted as Steironepion Pilsbry & H. N. Lowe, 1932 (unaccepted > junior subjective synonym)
124. Genus Pseudozafrona Arias Ávila, 2016 accepted as Urpiella Arias Ávila, 2021 (unavailable name under ICZN Art. 9: work unpublished in the sense of the Code)
125. Genus Strombocolumbus Cossmann, 1901 accepted as Strombina Mörch, 1852 (unnecessary nom. nov. pro Strombina "Mörch, 1859" [sic! should be 1852], erroneously believed by Cossmann to be a junior homonym of "Strombina Bronn, 1849", which is in fact a family-group name based on Strombus)
126. Genus Tetrastomella Sacco, 1890 † accepted as Mitrella (Tetrastomella) Sacco, 1890 † (unaccepted > superseded rank)
127. Genus Columbellidae incertae sedis (temporary name)

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