1. Species Borsonia aequicostata (Koenen, 1885) †
2. Species Borsonia aguilae C. W. Cook, 1928 †
3. Species Borsonia allonsensis Boussac, 1911 †
4. Species Borsonia balteata Tate, 1898 †
5. Species Borsonia bilineata Koenen, 1890 †
6. Species Borsonia brasiliana Tippett, 1983
7. Species Borsonia britanna Cossmann, 1896 †
8. Species Borsonia castellanensis Boussac, 1911 †
9. Species Borsonia castellorum Oppenheim, 1901 †
10. Species Borsonia centrema de Ryckholt, 1862 †
11. Species Borsonia ceroplasta (R. B. Watson, 1881)
12. Species Borsonia chaputi Delpey, 1938 †
13. Species Borsonia clifdenensis H. J. Finlay, 1930 †
14. Species Borsonia coarctata Koenen, 1865 †
15. Species Borsonia coemansi Briart & Cornet, 1870 †
16. Species Borsonia columnata De Gregorio, 1880 †
17. Species Borsonia costulata Koenen, 1890 †
18. Species Borsonia crassiaxialis P. A. Maxwell, 1992 †
19. Species Borsonia densistria (Koenen, 1885) †
20. Species Borsonia duilii De Gregorio, 1880 †
21. Species Borsonia elongata C.-H. Hu & X.-F. Lee, 1991 †
22. Species Borsonia eocenica D. C. Long, 1981 †
23. Species Borsonia epigona E. von Martens, 1901
24. Species Borsonia fasciata Giebel, 1864 †
25. Species Borsonia fera De Gregorio, 1880 †
26. Species Borsonia germeraadi K. Martin, 1933 †
27. Species Borsonia hirondelleae (Dautzenberg, 1891)
28. Species Borsonia indica (Tesch, 1915) †
29. Species Borsonia jaffa Cotton, 1947
30. Species Borsonia jaya Sysoev, 1997
31. Species Borsonia meridionalis Lozouet, 2017 †
32. Species Borsonia mitromorphoides Suter, 1917 †
33. Species Borsonia nipponensis (Okutani & Iwahori, 1992)
34. Species Borsonia ochracea Thiele, 1925
35. Species Borsonia pelaezae Vera-Peláez, 2022 †
36. Species Borsonia plioalboranensis Vera-Peláez, 2002 †
37. Species Borsonia prima Bellardi, 1839 †
38. Species Borsonia rembangensis Pannekoek, 1936 †
39. Species Borsonia rotundata K. Martin, 1935 †
40. Species Borsonia saccoi Dall, 1908
41. Species Borsonia shimajiriensis MacNeil, 1961 †
42. Species Borsonia silicea (R. B. Watson, 1881)
43. Species Borsonia smithi Schepman, 1913
44. Species Borsonia symbiophora Sysoev, 1996
45. Species Borsonia symbiotes (Wood-Mason & Alcock, 1891)
46. Species Borsonia syngenes (R. B. Watson, 1881)
47. Species Borsonia tatei A. W. B. Powell, 1944 †
48. Species Borsonia timorensis (Schepman, 1913)
49. Species Borsonia torquayensis A. W. B. Powell, 1944 †
50. Species Borsonia zelandica (P. Marshall, 1919) †
51. Subgenus Borsonia (Boettgeria) Peyrot, 1931 † accepted as Boettgeriola Wenz, 1943 † (Invalid: junior homonym of Boettgeria Heynemann, 1863; Boettgeriola is a replacement name)
    1. Species Borsonia (Boettgeria) degrangei Peyrot, 1931 † accepted as Orthosurcula striatulata degrangei (Peyrot, 1931) † (basionym)
    2. Species Borsonia (Boettgeria) gallica Peyrot, 1931 † accepted as Boettgeriola gallica (Peyrot, 1931) † (unaccepted > superseded combination)
52. Subgenus Borsonia (Borsonella) Dall, 1908 accepted as Borsonella Dall, 1908
    1. Species Borsonia (Borsonella) adamsi Olsson, 1942 † accepted as Borsonella adamsi (Olsson, 1942) † (unaccepted > superseded combination)
    2. Species Borsonia (Borsonella) agassizii Dall, 1908 accepted as Borsonella agassizii (Dall, 1908) (unaccepted > superseded combination)
    3. Species Borsonia (Borsonella) coronadoi Dall, 1908 accepted as Borsonella coronadoi (Dall, 1908)
    4. Species Borsonia (Borsonella) diegensis Dall, 1908 accepted as Borsonella diegensis (Dall, 1908) (unaccepted > superseded combination)
    5. Species Borsonia (Borsonella) saccoi Dall, 1908 accepted as Borsonia saccoi Dall, 1908 (unaccepted > superseded combination)
53. Subgenus Borsonia (Borsonia) Bellardi, 1839 accepted as Borsonia Bellardi, 1839
    1. Species Borsonia (Borsonia) chavani Glibert, 1973 † accepted as Cordieria briarti (Cossmann, 1899) † (invalid: junior homonym of Borsonia chavani Villatte, 1962)
    2. Species Borsonia (Borsonia) mediterranea Vera-Peláez, 2002 † accepted as Spirotropis mediterranea (Vera-Peláez, 2002) † (unaccepted > superseded combination)
    3. Species Borsonia (Borsonia) plioalboranensis Vera-Peláez, 2002 † accepted as Borsonia plioalboranensis Vera-Peláez, 2002 †
54. Subgenus Borsonia (Cordieria) A. Rouault, 1848 † accepted as Cordieria A. Rouault, 1848 (unaccepted > superseded rank)
    1. Species Borsonia (Cordieria) acutata Deshayes, 1865 † accepted as Cordieria acutata (Deshayes, 1865) † (unaccepted > superseded combination)
    2. Species Borsonia (Cordieria) angusta Deshayes, 1865 † accepted as Cordieria angusta (Deshayes, 1865) † (unaccepted > superseded combination)
    3. Species Borsonia (Cordieria) baccata Cossmann & Pissarro, 1900 † accepted as Cordieria baccata (Cossmann & Pissarro, 1900) † (unaccepted > superseded combination)
    4. Species Borsonia (Cordieria) bellardii Deshayes, 1865 † accepted as Cordieria bellardii (Deshayes, 1865) † (unaccepted > superseded combination)
    5. Species Borsonia (Cordieria) bureaui Cossmann, 1919 † accepted as Cordieria bureaui (Cossmann, 1919) † (unaccepted > superseded combination)
    6. Species Borsonia (Cordieria) calliphlyctis Cossmann & Pissaro, 1900 † accepted as Cordieria calliphlyctis (Cossmann & Pissaro, 1900) † (unaccepted > superseded combination)
    7. Species Borsonia (Cordieria) calvimontana Deshayes, 1865 † accepted as Cordieria calvimontana (Deshayes, 1865) † (unaccepted > superseded combination)
    8. Species Borsonia (Cordieria) chevallieri Cossmann, 1889 † accepted as Cordieria chevallieri (Cossmann, 1889) † (unaccepted > superseded combination)
    9. Species Borsonia (Cordieria) cossmanni K. Martin, 1914 † accepted as Cordieria cossmanni (K. Martin, 1914) † accepted as Scobinella cossmanni (K. Martin, 1914) †
    10. Species Borsonia (Cordieria) cresnei de Raincourt, 1884 † accepted as Cordieria cresnei (de Raincourt, 1884) † (unaccepted > superseded combination)
    11. Species Borsonia (Cordieria) edwardsi Deshayes, 1865 † accepted as Cordieria edwardsi (Deshayes, 1865) † (unaccepted > superseded combination)
    12. Species Borsonia (Cordieria) gliberti Le Renard, 1994 † accepted as Cordieria gliberti (Le Renard, 1994) † (unaccepted > superseded combination)
    13. Species Borsonia (Cordieria) incerta Deshayes, 1865 † accepted as Cordieria incerta (Deshayes, 1865) † (unaccepted > superseded combination)
    14. Species Borsonia (Cordieria) marginata Deshayes, 1865 † accepted as Cordieria marginata (Deshayes, 1865) † (unaccepted > superseded combination)
    15. Species Borsonia (Cordieria) minor Deshayes, 1865 † accepted as Cordieria minor (Deshayes, 1865) † (unaccepted > superseded combination)
    16. Species Borsonia (Cordieria) mitromorphoides Suter, 1917 † accepted as Borsonia mitromorphoides Suter, 1917 † (superseded combination)
    17. Species Borsonia (Cordieria) nodulosa (Lamarck, 1803) † accepted as Cordieria nodulosa (Lamarck, 1803) † (unaccepted > superseded combination)
    18. Species Borsonia (Cordieria) obesula Deshayes, 1865 † accepted as Cordieria obesula (Deshayes, 1865) † (unaccepted > superseded combination)
    19. Species Borsonia (Cordieria) ovalis P. Marshall, 1918 † accepted as Bonellitia ovalis (P. Marshall, 1918) † (superseded combination)
    20. Species Borsonia (Cordieria) rouaultii Dall, 1889 accepted as Cordieria rouaultii (Dall, 1889) (primary homonym of Borsonia rouaulti Bellardi, 1877)
    21. Species Borsonia (Cordieria) turbinelloides Deshayes, 1865 † accepted as Cordieria turbinelloides (Deshayes, 1865) † (unaccepted > superseded combination)
    22. Species Borsonia (Cordieria) volzi K. Martin, 1914 † accepted as Cordieria volzi (K. Martin, 1914) † accepted as Glyptotoma volzi (K. Martin, 1914) †
    23. Species Borsonia (Cordieria) biconica Glibert, 1973 † (uncertain > unassessed, potential junior secondary homonym of Cordieria biconica (Whitfield, 1865))
    24. Species Borsonia (Cordieria) douvillei Cossmann & Pissaro, 1900 † (uncertain > unassessed)
    25. Species Borsonia (Cordieria) gaasensis Vergneau-Saubade, 1968 † (uncertain > unassessed)
    26. Species Borsonia (Cordieria) marceti Villalta Comella, 1956 † (uncertain > unassessed)
    27. Species Borsonia (Cordieria) microgranulosa Villalta Comella, 1956 † (uncertain > unassessed)
55. Subgenus Borsonia (Mitromorpha) P. P. Carpenter, 1865 accepted as Mitromorpha P. P. Carpenter, 1865
    1. Species Borsonia (Mitromorpha) brachyspira Suter, 1917 † accepted as Mitromorpha brachyspira (Suter, 1917) † (superseded combination)
56. Subgenus Borsonia (Paraborsonia) Pilsbry, 1922 † accepted as Paraborsonia Pilsbry, 1922 (original rank)
    1. Species Borsonia (Paraborsonia) cantaurana P. Jung, 1965 † accepted as Paraborsonia cantaurana (Jung, 1965) † (unaccepted > superseded combination)
    2. Species Borsonia (Paraborsonia) brassoensis Mansfield, 1925 † represented as Paraborsonia brassoensis (Mansfield, 1925) †
    3. Species Borsonia (Paraborsonia) varicosa (G. B. Sowerby I, 1850) † represented as Paraborsonia varicosa (G. B. Sowerby I, 1850) †
57. Subgenus Borsonia (Scobinella) Conrad, 1847 † accepted as Scobinella Conrad, 1847 † (unaccepted > superseded rank)
    1. Species Borsonia (Scobinella) conradiana Aldrich, 1895 † (uncertain > unassessed)
58. Species Borsonia acutata Deshayes, 1865 † accepted as Cordieria acutata (Deshayes, 1865) † (unaccepted > superseded combination)
59. Species Borsonia agassizii Dall, 1908 accepted as Borsonella agassizii (Dall, 1908) (superseded combination)
60. Species Borsonia angusta Deshayes, 1865 † accepted as Cordieria angusta (Deshayes, 1865) † (unaccepted > superseded combination)
61. Species Borsonia bellardii Briart & Cornet, 1877 † accepted as Cordieria briarti (Cossmann, 1899) † (invalid: junior homonym of Borsonia bellardii Deshayes, 1865; B. briarti is a replacement name)
62. Species Borsonia bellardii Deshayes, 1865 † accepted as Cordieria bellardii (Deshayes, 1865) † (unaccepted > superseded combination)
63. Species Borsonia bifasciata Pease, 1860 accepted as Kermidaphnella bifasciata (Pease, 1860) (unaccepted > superseded combination)
64. Species Borsonia binodosa Koenen, 1885 † accepted as Cordieria binodosa (Koenen, 1885) † (unaccepted > superseded combination)
65. Species Borsonia brachyspira Suter, 1917 † accepted as Mitromorpha brachyspira (Suter, 1917) † (superseded combination)
66. Species Borsonia brassoensis Mansfield, 1925 † accepted as Paraborsonia brassoensis (Mansfield, 1925) † (unaccepted > superseded combination)
67. Species Borsonia briarti Cossmann, 1899 † accepted as Cordieria briarti (Cossmann, 1899) † (unaccepted > superseded combination)
68. Species Borsonia calvimontana Deshayes, 1865 † accepted as Cordieria calvimontana (Deshayes, 1865) † (unaccepted > superseded combination)
69. Species Borsonia chevallieri Cossmann, 1889 † accepted as Cordieria chevallieri (Cossmann, 1889) † (unaccepted > superseded combination)
70. Species Borsonia cocoensis Olsson, 1922 † accepted as Paraborsonia cocoensis (Olsson, 1922) † (unaccepted > superseded combination)
71. Species Borsonia coronadoi Dall, 1908 accepted as Borsonella coronadoi (Dall, 1908) (superseded combination)
72. Species Borsonia crassicostata Pease, 1860 accepted as Lienardia crassicostata (Pease, 1860) (unaccepted > superseded combination)
73. Species Borsonia cresnei de Raincourt, 1884 † accepted as Cordieria cresnei (de Raincourt, 1884) † (unaccepted > superseded combination)
74. Species Borsonia diegensis Dall, 1908 accepted as Borsonella diegensis (Dall, 1908) (unaccepted > superseded combination)
75. Species Borsonia edwardsi Deshayes, 1865 † accepted as Cordieria edwardsi (Deshayes, 1865) † (unaccepted > superseded combination)
76. Species Borsonia gallica Peyrot, 1931 † accepted as Boettgeriola gallica (Peyrot, 1931) † (original combination)
77. Species Borsonia gliberti Le Renard, 1994 † accepted as Cordieria gliberti (Le Renard, 1994) † (unaccepted > superseded combination)
78. Species Borsonia gracilis F. Sandberger, 1862 † accepted as Cordieria gracilis (F. Sandberger, 1862) † (unaccepted > superseded combination)
79. Species Borsonia granifera H. Woodward, 1879 † accepted as Bathytoma (Micantapex) herklotsi (K. Martin, 1879) † accepted as Bathytoma herklotsi (K. Martin, 1879) †
80. Species Borsonia incerta Deshayes, 1865 † accepted as Cordieria incerta (Deshayes, 1865) † (unaccepted > superseded combination)
81. Species Borsonia inculta Moody, 1916 † accepted as Pseudotaranis strongi (R. Arnold, 1903)
82. Species Borsonia lutea Pease, 1860 accepted as Kermia lutea (Pease, 1860) accepted as Hemilienardia lutea (Pease, 1860) (original combination)
83. Species Borsonia marci Koperberg, 1931 † accepted as Calliotectum marci (Koperberg, 1931) †
84. Species Borsonia marginata Deshayes, 1865 † accepted as Cordieria marginata (Deshayes, 1865) † (unaccepted > superseded combination)
85. Species Borsonia mediterranea Vera-Peláez, 2002 † accepted as Spirotropis mediterranea (Vera-Peláez, 2002) † (unaccepted > superseded combination)
86. Species Borsonia minor Deshayes, 1865 † accepted as Cordieria minor (Deshayes, 1865) † (unaccepted > superseded combination)
87. Species Borsonia mitraeformis Deshayes, 1865 † accepted as Cordieria mitraeformis (Deshayes, 1865) † (original combination)
88. Species Borsonia nakayasui (Habe, 1976) accepted as Borsonia symbiotes (Wood-Mason & Alcock, 1891)
89. Species Borsonia nebulosa Pease, 1860 accepted as Pseudodaphnella nebulosa (Pease, 1860) (original combination)
90. Species Borsonia obesula Deshayes, 1865 † accepted as Cordieria obesula (Deshayes, 1865) † (unaccepted > superseded combination)
91. Species Borsonia otwayensis Tate, 1898 † accepted as Cordieria otwayensis (Tate, 1898) † (unaccepted > superseded combination)
92. Species Borsonia ovalis P. Marshall, 1918 † accepted as Bonellitia ovalis (P. Marshall, 1918) † (superseded combination)
93. Species Borsonia polycesta Tate, 1898 † accepted as Cordieria protensa (Tate, 1898) † accepted as Cordieria otwayensis (Tate, 1898) † (unaccepted > junior subjective synonym, synonym)
94. Species Borsonia protensa Tate, 1898 † accepted as Cordieria otwayensis (Tate, 1898) † (unaccepted > junior subjective synonym)
95. Species Borsonia turbinelloides Deshayes, 1865 † accepted as Cordieria turbinelloides (Deshayes, 1865) † (unaccepted > superseded combination)
96. Species Borsonia varicosa (G. B. Sowerby I, 1850) † accepted as Paraborsonia varicosa (G. B. Sowerby I, 1850) † (unaccepted > superseded combination)
97. Subgenus Borsonia (Lictoconcha) De Gregorio, 1880 † (uncertain > unassessed)
    1. Species Borsonia (Lictoconcha) derelicta De Gregorio, 1880 † (uncertain > unassessed)
98. Species Borsonia africana Wanner, 1902 † (uncertain > unassessed)
99. Species Borsonia armata O. Boettger, 1895 (uncertain > unassessed)
100. Species Borsonia burdigalina Benoist, 1874 † (uncertain > unassessed)
101. Species Borsonia chavani Villatte, 1962 † (uncertain > taxon inquirendum)
102. Species Borsonia decussata Beyrich, 1848 † (uncertain > unassessed)
103. Species Borsonia patagonica Ortmann, 1900 † (uncertain > unassessed)
104. Species Borsonia recurvirostris Gabb, 1873 † (uncertain > unassessed)
105. Species Borsonia rouaulti Bellardi, 1877 † (uncertain > unassessed)

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