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 superseded rank)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 (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 superseded rank)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 superseded combination)
7. 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 superseded combination)
8. Species Vasum aldridgei Nowell-Usticke, 1969 accepted as Attiliosa aldridgei (Nowell-Usticke, 1969) (original combination)
9. Species Vasum antiguaensis Nowell-Usticke, 1971 accepted as Vasum globulus (Lamarck, 1816) accepted as Globivasum globulus (Lamarck, 1816)
10. Species Vasum caestus (Broderip, 1833) accepted as Volutella caestus (Broderip, 1833) (unaccepted > superseded combination)
11. Species Vasum capitellum (Linnaeus, 1758) accepted as Globivasum capitellum (Linnaeus, 1758) (unaccepted > superseded combination)
12. Species Vasum cassiforme (Kiener, 1840) accepted as Aristovasum cassiforme (Kiener, 1840) (unaccepted > superseded combination)
13. Species Vasum castaneum Röding, 1798 accepted as Menathais tuberosa (Röding, 1798) (synonym)
14. Species Vasum crosseanum (Souverbie, 1875) accepted as Rhinovasum crosseanum (Souverbie, 1875) (unaccepted > superseded combination)
15. Species Vasum flindersi (Verco, 1914) accepted as Altivasum flindersi Verco, 1914
16. Species Vasum globulus (Lamarck, 1816) accepted as Globivasum globulus (Lamarck, 1816) (unaccepted > superseded combination)
17. Species Vasum lactisfloris Ferrario, 1983 accepted as Florivasum lactisfloris (Ferrario, 1983) (unaccepted > superseded combination)
18. Species Vasum latiriforme Rehder & Abbott, 1951 accepted as Siphovasum latiriforme (Rehder & Abbott, 1951) (unaccepted > superseded combination)
19. Species Vasum muricatum (Born, 1778) accepted as Volutella muricata (Born, 1778) (unaccepted > superseded combination)
20. Species Vasum rhinoceros (Gmelin, 1791) accepted as Rhinovasum rhinoceros (Gmelin, 1791) (unaccepted > superseded combination)
21. Species Vasum stephanti W. K. Emerson & Sage, 1988 accepted as Florivasum stephanti (W. K. Emerson & Sage, 1988) (unaccepted > superseded combination)
22. Species Vasum triangulare (E. A. Smith, 1902) accepted as Rhinovasum triangulare (E. A. Smith, 1902) (unaccepted > superseded combination)
23. Species Vasum truncatum (G. B. Sowerby III, 1892) accepted as Rhinovasum truncatum (G. B. Sowerby III, 1892) (unaccepted > superseded combination)
24. Species Vasum tubiferum (Anton, 1838) accepted as Florivasum tubiferum (Anton, 1838) (unaccepted > superseded combination)
25. Species Vasum turbinellum [sic] accepted as Vasum turbinellus (Linnaeus, 1758) (misspelling)
26. Species Vasum urna Röding, 1798 accepted as Vasum muricatum (Born, 1778) accepted as Volutella muricata (Born, 1778)

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