1. Species Sassia apenninica (Sasso, 1827) †
2. Species Sassia armata (Hupé, 1854) †
3. Species Sassia bernayi (Cossmann, 1889) †
4. Species Sassia bicincta (Deshayes, 1835) †
5. Species Sassia carinulata (Cossmann, 1889) †
6. Species Sassia carlea Dockery, 1993 †
7. Species Sassia cuneata (Cossmann, 1885) †
8. Species Sassia cyphoides (H. J. Finlay, 1924) †
9. Species Sassia decagonia (H. J. Finlay, 1924) †
10. Species Sassia delafossei (Rouault, 1850) †
11. Species Sassia dumortieri (Baudon, 1853) †
12. Species Sassia faxense (Ravn, 1933) †
13. Species Sassia formosa (Deshayes, 1865) †
14. Species Sassia foveolata (F. Sandberger, 1860) †
15. Species Sassia lejeunii (Melleville, 1843) †
16. Species Sassia leucostomoides (G. B. Sowerby I, 1846) †
17. Species Sassia maoria (H. J. Finlay, 1924) †
18. Species Sassia melpangi Harasewych & Beu, 2007
19. Species Sassia menkrawitensis (Beets, 1941) †
20. Species Sassia midwayensis (T. Habe & Okutani, 1968)
21. Species Sassia monsecouri Thach, 2024
22. Species Sassia morgani (Ortmann, 1900) †
23. Species Sassia mozambicana R. Aiken & Seccombe, 2019
24. Species Sassia nassariformis (G. B. Sowerby III, 1902)
25. Species Sassia neozelanica (P. Marshall & Murdoch, 1923) †
26. Species Sassia pahaoaensis (Vella, 1954) †
27. Species Sassia raulini (Cossmann & Peyrot, 1924) †
28. Species Sassia remensa (Iredale, 1936)
29. Species Sassia reticulosa (Deshayes, 1835) †
30. Species Sassia scabriuscula (Deshayes, 1865) †
31. Species Sassia semitorta (Kuroda & Habe, 1952)
32. Species Sassia striatula (Lamarck, 1803) † (accepted > unreplaced junior homonym)
33. Species Sassia tatei Beu, 2010 †
34. Species Sassia tuberculifera (Bronn, 1831) †
35. Species Sassia warreni Beu, 2010 †
36. Species Sassia zealta (Laws, 1939) †
37. Subgenus Sassia (Austrosassia) H. J. Finlay, 1931 accepted as Austrosassia H. J. Finlay, 1931
    1. Species Sassia (Austrosassia) pusulosa (Marwick, 1965) † accepted as Austrosassia pusulosa Marwick, 1965 †
38. Subgenus Sassia (Austrotriton) Cossmann, 1903 accepted as Austrotriton Cossmann, 1903
    1. Species Sassia (Austrotriton) epitrema (Tenison Woods, 1877) accepted as Austrotriton epitremus (Tenison Woods, 1877)
39. Subgenus Sassia (Cymatiella) Iredale, 1924 accepted as Cymatiella Iredale, 1924
    1. Species Sassia (Cymatiella) ansonae Beu, 1988 accepted as Cymatiella ansonae (Beu, 1988) (superseded combination)
    2. Species Sassia (Cymatiella) goniata (Cossmann, 1889) † accepted as Cymatiella goniata (Cossmann, 1889) † (unaccepted > superseded combination)
    3. Species Sassia (Cymatiella) inornata (Deshayes, 1865) † accepted as Cymatiella inornata (Deshayes, 1865) † (unaccepted > superseded combination)
    4. Species Sassia (Cymatiella) polygonoides (Deshayes, 1865) † accepted as Cymatiella polygonoides (Deshayes, 1865) † (unaccepted > superseded combination)
    5. Species Sassia (Cymatiella) viperina (Lamarck, 1803) † accepted as Cymatiella viperina (Lamarck, 1803) † (unaccepted > superseded combination)
40. Subgenus Sassia (Gyrineum) Link, 1807 accepted as Gyrineum Link, 1807
    1. Species Sassia (Gyrineum) planicostata (Deshayes, 1835) † accepted as Planitriton planicostatus (Deshayes, 1835) † (unaccepted > superseded combination)
41. Subgenus Sassia (Haurokoa) C. A. Fleming, 1955 † accepted as Haurokoa C. A. Fleming, 1955 †
    1. Species Sassia (Haurokoa) woodi (C. A. Fleming, 1955) †
    2. Species Sassia (Haurokoa) marwicki (H. J. Finlay, 1924) † accepted as Haurokoa marwicki (H. J. Finlay, 1924) † (superseded combination)
42. Subgenus Sassia (Personella) Conrad, 1865 † accepted as Personella Conrad, 1865
43. Subgenus Sassia (Sassia) Bellardi, 1872 accepted as Sassia Bellardi, 1873
    1. Species Sassia (Sassia) neozelanica (P. Marshall & Murdoch, 1923) † accepted as Sassia neozelanica (P. Marshall & Murdoch, 1923) † (superseded combination)
    2. Species Sassia (Sassia) parkinsonia (G. Perry, 1811) accepted as Austrosassia parkinsonia (G. Perry, 1811) (superseded combination)
    3. Species Sassia (Sassia) ponderi Beu, 1987 accepted as Austrosassia ponderi (Beu, 1987) (superseded combination)
    4. Species Sassia (Sassia) tortirostris (Tate, 1888) † accepted as Sassia tortirostris (Tate, 1888) † accepted as Austrosassia tortirostris (Tate, 1888) † (superseded combination)
    5. Species Sassia (Sassia) zealta (Laws, 1939) † accepted as Sassia zealta (Laws, 1939) † (superseded combination)
    6. Species Sassia (Sassia) maoria (Finlay, 1924) † represented as Sassia maoria (H. J. Finlay, 1924) †
44. Species Sassia antiqua (Deshayes, 1865) † accepted as Pseudosassia antiqua (Deshayes, 1865) † (unaccepted > superseded combination)
45. Species Sassia arthritica (A. W. B. Powell & Bartrum, 1929) † accepted as Proxicharonia arthritica (A. W. B. Powell & Bartrum, 1929) †
46. Species Sassia bassi (Angas, 1869) accepted as Austrotriton bassi (Angas, 1869) (unaccepted > superseded combination)
47. Species Sassia colubrina (Lamarck, 1803) † accepted as Sassiella colubrina (Lamarck, 1803) † (unaccepted > superseded combination)
48. Species Sassia danica (Schnetler, 2001) † accepted as Pseudosassia danica (Schnetler, 2001) †
49. Species Sassia epitrema (Tenison Woods, 1877) accepted as Austrotriton epitremus (Tenison Woods, 1877)
50. Species Sassia garrardi (Beu, 1970) accepted as Austrotriton garrardi Beu, 1970
51. Species Sassia jobbernsi (L. C. King, 1933) † accepted as Sassia kampyla (R. B. Watson, 1883) accepted as Cymatona kampyla (R. B. Watson, 1883) (unaccepted > junior subjective synonym)
52. Species Sassia kampyla (R. B. Watson, 1883) accepted as Cymatona kampyla (R. B. Watson, 1883) (unaccepted > superseded combination)
53. Species Sassia lewisi Harasewych & Petuch, 1980 accepted as Personella lewisi (Harasewych & Petuch, 1980) (unaccepted > superseded combination)
54. Species Sassia lindneri Parth, 1992 accepted as Austrosassia parkinsonia (G. Perry, 1811) (junior subjective synonym)
55. Species Sassia marshalli Beu, 1978 accepted as Sassia remensa (Iredale, 1936) (junior subjective synonym)
56. Species Sassia mimetica (Tate, 1893) accepted as Austrotriton mimeticus (Tate, 1893)
57. Species Sassia minima (F. W. Hutton, 1873) † accepted as Austrosassia minima (F. W. Hutton, 1873) † (unaccepted > superseded combination)
58. Species Sassia multigranifera (Deshayes, 1835) † accepted as Parasassia multigranifera (Deshayes, 1835) † (unaccepted > superseded combination)
59. Species Sassia nodularia (Lamarck, 1803) † accepted as Protoplex nodularius (Lamarck, 1803) † (unaccepted > superseded combination)
60. Species Sassia palmeri (A. W. B. Powell, 1967) accepted as Proxicharonia palmeri A. W. B. Powell, 1967 (superseded combination)
61. Species Sassia parkinsonia (G. Perry, 1811) accepted as Austrosassia parkinsonia (G. Perry, 1811) (superseded combination)
62. Species Sassia petulans (Hedley & May, 1908) accepted as Austrotriton petulans (Hedley & May, 1908) (superseded combination)
63. Species Sassia philomelae (R. B. Watson, 1881) accepted as Cymatona philomelae (R. B. Watson, 1881) (unaccepted > superseded combination)
64. Species Sassia planocincta Wrigley, 1932 † accepted as Pseudosassia planocincta (Wrigley, 1932) †
65. Species Sassia ponderi Beu, 1987 accepted as Austrosassia ponderi (Beu, 1987)
66. Species Sassia pusulosa (Marwick, 1965) † accepted as Austrosassia pusulosa Marwick, 1965 †
67. Species Sassia subdistorta (Lamarck, 1822) accepted as Austrotriton subdistortus (Lamarck, 1822)
68. Species Sassia tortirostris (Tate, 1888) † accepted as Austrosassia tortirostris (Tate, 1888) † (unaccepted > superseded combination)
69. Species Sassia turrita (Eichwald, 1830) † accepted as Pseudosassia turrita (Eichwald, 1830) † (unaccepted > superseded combination)
70. Species Sassia putzeysi Glibert, 1938 † (uncertain > unassessed)

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