1. Species Vasum armatum (Broderip, 1833)
2. Species Vasum ceramicum (Linnaeus, 1758)
3. Species Vasum turbinellus (Linnaeus, 1758)
4. Subgenus Vasum (Altivasum) Hedley, 1914 accepted as Altivasum Hedley, 1914
5. Subgenus Vasum (Globivasum) Abbott, 1950 accepted as Globivasum Abbott, 1950 (unaccepted > superseded rank)
   1. Species Vasum (Globivasum) nuttingi (J. B. Henderson, 1919) accepted as Vasum globulus (Lamarck, 1816) accepted as Globivasum globulus (Lamarck, 1816) (unaccepted > junior subjective synonym)
   2. Species Vasum (Globivasum) globulus (Lamarck, 1816) represented as Vasum globulus (Lamarck, 1816) accepted as Globivasum globulus (Lamarck, 1816)
6. Subgenus Vasum (Hystrivasum) Olsson & Petit, 1964 † accepted as Hystrivasum Olsson & Petit, 1964 † (unaccepted > superseded rank)
   1. Species Vasum (Hystrivasum) horridum Heilprin, 1886 † accepted as Hystrivasum horridum (Heilprin, 1886) † (unaccepted > superseded combination)
   2. Species Vasum (Hystrivasum) jacksonense E. H. Vokes, 1966 † accepted as Hystrivasum jacksonense (E. H. Vokes, 1966) † (unaccepted > superseded combination)
   3. Species Vasum (Hystrivasum) locklini Olsson & Harbison, 1953 † accepted as Hystrivasum locklini (Olsson & Harbison, 1953) † (unaccepted > superseded combination)
   4. Species Vasum (Hystrivasum) olssoni E. H. Vokes, 1966 † accepted as Hystrivasum olssoni (E. H. Vokes, 1966) † (unaccepted > superseded combination)
   5. Species Vasum (Hystrivasum) palmerae Hollister, 1971 † accepted as Hystrivasum palmerae (Hollister, 1971) † (unaccepted > superseded combination)
   6. Species Vasum (Hystrivasum) schrinerae Hollister, 1971 † accepted as Hystrivasum schrinerae (Hollister, 1971) † (unaccepted > superseded combination)
   7. Species Vasum (Hystrivasum) squamosum Hollister, 1971 † accepted as Hystrivasum squamosum (Hollister, 1971) † (unaccepted > superseded combination)
   8. Species Vasum (Hystrivasum) vokesae Hollister, 1971 † accepted as Hystrivasum vokesae (Hollister, 1971) † (unaccepted > superseded combination)
7. Subgenus Vasum (Siphovasum) Rehder & Abbott, 1951 accepted as Siphovasum Rehder & Abbott, 1950 (unaccepted > superseded rank)
   1. Species Vasum (Siphovasum) latiriforme Rehder & Abbott, 1951 accepted as Siphovasum latiriforme (Rehder & Abbott, 1951) (unaccepted > superseded combination)
8. Subgenus Vasum (Vasum) Röding, 1798 accepted as Vasum Röding, 1798
   1. Species Vasum (Vasum) crosseanum (Souverbie, 1875) accepted as Rhinovasum crosseanum (Souverbie, 1875) (unaccepted > superseded combination)
   2. Species Vasum (Vasum) pufferi W. K. Emerson, 1964 † accepted as Volutella pufferi (W. K. Emerson, 1964) † (unaccepted > superseded combination)
9. Species Vasum aedificatum (Guppy, 1876) † accepted as Globivasum aedificatum (Guppy, 1876) † (unaccepted > superseded combination)
10. Species Vasum aldridgei Nowell-Usticke, 1969 accepted as Attiliosa aldridgei (Nowell-Usticke, 1969) (original combination)
11. Species Vasum antiguaensis Nowell-Usticke, 1971 accepted as Vasum globulus (Lamarck, 1816) accepted as Globivasum globulus (Lamarck, 1816)
12. Species Vasum aquitanicum Peyrot, 1928 † accepted as Rhinovasum aquitanicum (Peyrot, 1928) † (unaccepted > superseded combination)
13. Species Vasum caestus (Broderip, 1833) accepted as Volutella caestus (Broderip, 1833) (unaccepted > superseded combination)
14. Species Vasum cancellatum (Grateloup, 1845) † accepted as Globivasum cancellatum (Grateloup, 1845) † (unaccepted > superseded combination)
15. Species Vasum capitellum (Linnaeus, 1758) accepted as Globivasum capitellum (Linnaeus, 1758) (unaccepted > superseded combination)
16. Species Vasum cassiforme (Kiener, 1840) accepted as Aristovasum cassiforme (Kiener, 1840) (unaccepted > superseded combination)
17. Species Vasum castaneum Röding, 1798 accepted as Menathais tuberosa (Röding, 1798) (synonym)
18. Species Vasum chipolense E. H. Vokes, 1966 † accepted as Aristovasum chipolense (E. H. Vokes, 1966) † (unaccepted > superseded combination)
19. Species Vasum crosseanum (Souverbie, 1875) accepted as Rhinovasum crosseanum (Souverbie, 1875) (unaccepted > superseded combination)
20. Species Vasum dominicense Gabb, 1873 † accepted as Globivasum dominicense (Gabb, 1873) † (unaccepted > superseded combination)
21. Species Vasum dominicensis Gabb, 1873 † accepted as Vasum dominicense Gabb, 1873 † accepted as Globivasum dominicense (Gabb, 1873) † (unaccepted > incorrect grammatical agreement of specific epithet)
22. Species Vasum elongatum E. H. Vokes, 1970 † accepted as Globivasum elongatum (E. H. Vokes, 1970) † (unaccepted > superseded combination)
23. Species Vasum engonatum Dall, 1890 † accepted as Volutella haitensis (G. B. Sowerby I, 1850) † (unaccepted > junior subjective synonym)
24. Species Vasum excrenatum Sacco, 1904 † accepted as Vasum cancellatum (Grateloup, 1845) † accepted as Globivasum cancellatum (Grateloup, 1845) †
25. Species Vasum flindersi (Verco, 1914) accepted as Altivasum flindersi Verco, 1914
26. Species Vasum floridanum T. L. McGinty, 1940 † accepted as Volutella floridana (T. L. McGinty, 1940) † (unaccepted > superseded combination)
27. Species Vasum globulus (Lamarck, 1816) accepted as Globivasum globulus (Lamarck, 1816) (unaccepted > superseded combination)
28. Species Vasum gurabicum Maury, 1917 † accepted as Globivasum gurabicum (Maury, 1917) † (unaccepted > superseded combination)
29. Species Vasum haitense (G. B. Sowerby I, 1850) † accepted as Volutella haitensis (G. B. Sowerby I, 1850) † (unaccepted > superseded combination)
30. Species Vasum horridum Heilprin, 1886 † accepted as Hystrivasum horridum (Heilprin, 1886) † (unaccepted > superseded combination)
31. Species Vasum humerosum Vaughan, 1896 † accepted as Globivasum humerosum (Vaughan, 1896) † (unaccepted > superseded combination)
32. Species Vasum intermedium (Grateloup, 1832) † accepted as Globivasum intermedium (Grateloup, 1832) † (unaccepted > superseded combination)
33. Species Vasum kraatzi C. S. Ferreira & O. R. Cunha, 1957 † accepted as Globivasum kraatzi (C. S. Ferreira & O. R. Cunha, 1957) † (unaccepted > superseded combination)
34. Species Vasum lactisfloris Ferrario, 1983 accepted as Florivasum lactisfloris (Ferrario, 1983) (unaccepted > superseded combination)
35. Species Vasum latiriforme Rehder & Abbott, 1951 accepted as Siphovasum latiriforme (Rehder & Abbott, 1951) (unaccepted > superseded combination)
36. Species Vasum locklini Olsson & Harbison, 1953 † accepted as Hystrivasum locklini (Olsson & Harbison, 1953) † (unaccepted > superseded combination)
37. Species Vasum muricatum (Born, 1778) accepted as Volutella muricata (Born, 1778) (unaccepted > superseded combination)
38. Species Vasum omanicum Harzhauser, 2007 † accepted as Globivasum omanicum (Harzhauser, 2007) † (unaccepted > superseded combination)
39. Species Vasum pugnus Pilsbry & C. W. Johnson, 1917 † accepted as Globivasum pugnus (Pilsbry & C. W. Johnson, 1917) † (unaccepted > superseded combination)
40. Species Vasum rhinoceros (Gmelin, 1791) accepted as Rhinovasum rhinoceros (Gmelin, 1791) (unaccepted > superseded combination)
41. Species Vasum stephanense Peyrot, 1928 † accepted as Vasum cancellatum (Grateloup, 1845) † accepted as Globivasum cancellatum (Grateloup, 1845) †
42. Species Vasum stephanti W. K. Emerson & Sage, 1988 accepted as Florivasum stephanti (W. K. Emerson & Sage, 1988) (unaccepted > superseded combination)
43. Species Vasum subcapitellum Heilprin, 1886 † accepted as Globivasum subcapitellum (Heilprin, 1886) † (unaccepted > superseded combination)
44. Species Vasum subpugillare (A. d'Orbigny, 1852) † accepted as Rhinovasum subpugillare (A. d'Orbigny, 1852) † (unaccepted > superseded combination)
45. Species Vasum suwanneense Petuch, 1997 † accepted as Globivasum suwanneense (Petuch, 1997) † (unaccepted > superseded combination)
46. Species Vasum suwanneensis Petuch, 1997 † accepted as Vasum suwanneense Petuch, 1997 † accepted as Globivasum suwanneense (Petuch, 1997) † (unaccepted > incorrect grammatical agreement of specific epithet)
47. Species Vasum triangulare (E. A. Smith, 1902) accepted as Rhinovasum triangulare (E. A. Smith, 1902) (unaccepted > superseded combination)
48. Species Vasum tribulosum E. H. Vokes, 1970 † accepted as Volutella tribulosa (E. H. Vokes, 1970) † (unaccepted > superseded combination)
49. Species Vasum truncatum (G. B. Sowerby III, 1892) accepted as Rhinovasum truncatum (G. B. Sowerby III, 1892) (unaccepted > superseded combination)
50. Species Vasum tuberculatum Gabb, 1873 † accepted as Rhinovasum tuberculatum (Gabb, 1873) † (unaccepted > superseded combination)
51. Species Vasum tubiferum (Anton, 1838) accepted as Florivasum tubiferum (Anton, 1838) (unaccepted > superseded combination)
52. Species Vasum turbinellum [sic] accepted as Vasum turbinellus (Linnaeus, 1758) (misspelling)
53. Species Vasum urna Röding, 1798 accepted as Vasum muricatum (Born, 1778) accepted as Volutella muricata (Born, 1778)
54. Species Vasum quirosense F. Hodson, 1931 † (uncertain > unassessed)

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