• Charonia (Sassia) Bellardi, 1873 † accepted as Sassia Bellardi, 1873
• Charonia (Sassia) angusta Traub, 1979 † accepted as Pseudosassia angusta (Traub, 1979) †
• Charonia (Sassia) danica Schnetler, 2001 † accepted as Pseudosassia danica (Schnetler, 2001) †
• Charonia (Sassia) karynjarynica Amitrov, 1971 † accepted as Pseudosassia karynjarynica (Amitrov, 1971) †
• Charonia (Sassia) menkrawitensis Beets, 1941 † accepted as Sassia menkrawitensis (Beets, 1941) †
• Charonia (Sassia) tarbelliana (Grateloup, 1833) † accepted as Pseudosassia turrita (Eichwald, 1830) †
• Charonia (Sassia) tarbelliana transiens Báldi, 1973 † accepted as Pseudosassia turrita (Eichwald, 1830) †
• Eutritonium (Sassia) Bellardi, 1873 accepted as Sassia Bellardi, 1873
• Eutritonium (Sassia) aperturale Cossmann & Peyrot, 1924 † accepted as Charonia lampas (Linnaeus, 1758)
• Eutritonium (Sassia) benoisti Cossmann & Peyrot, 1924 † (uncertain > unassessed)
• Eutritonium (Sassia) constantinense Cossmann & Pissarro, 1905 † accepted as Cymatiella constantinensis (Cossmann & Pissarro, 1905) †
• Eutritonium (Sassia) dubusi Cossmann & Pissarro, 1905 † accepted as Eusassia dubusi (Cossmann & Pissarro, 1905) †
• Eutritonium (Sassia) gouetense (Cossmann, 1897) † accepted as Parasassia gouetensis (Cossmann, 1897) †
• Eutritonium (Sassia) gouetense var. semitextum Cossmann, 1919 † accepted as Protocharonia semitexta (Cossmann, 1919) †
• Eutritonium (Sassia) microstoma Cossmann & Pissarro, 1905 † accepted as Cymatiella microstoma (Cossmann & Pissarro, 1905) †
• Eutritonium (Sassia) multifilosum Cossmann & Peyrot, 1924 † accepted as Pseudosassia turrita (Eichwald, 1830) †
• Eutritonium (Sassia) raulini Cossmann & Peyrot, 1924 † accepted as Sassia raulini (Cossmann & Peyrot, 1924) †
• Eutritonium (Sassia) rutoti É. Vincent, 1930 † accepted as Personopsis rutoti (É. Vincent, 1930) †
• Eutritonium (Sassia) vincenti Tzankov, 1940 † accepted as Semiranella vincenti (Tzankov, 1940) †
• Lampusia (Sassia) Bellardi, 1873 accepted as Sassia Bellardi, 1873
• Lampusia (Sassia) ischnospira Cossmann, 1897 † accepted as Cymatiella ischnospira (Cossmann, 1897) †
• Lampusia (Sassia) lennieri Cossmann & Pissarro, 1901 † accepted as Nassitriton lennieri (Cossmann & Pissarro, 1901) †
• Sassia Bellardi, 1873
• Sassia (Austrosassia) H. J. Finlay, 1931 accepted as Austrosassia H. J. Finlay, 1931
• Sassia (Austrosassia) pusulosa (Marwick, 1965) † accepted as Austrosassia pusulosa Marwick, 1965 †
• Sassia (Austrotriton) Cossmann, 1903 accepted as Austrotriton Cossmann, 1903
• Sassia (Austrotriton) epitrema (Tenison Woods, 1877) accepted as Austrotriton epitremus (Tenison Woods, 1877)
• Sassia (Cymatiella) Iredale, 1924 accepted as Cymatiella Iredale, 1924
• Sassia (Cymatiella) ansonae Beu, 1988 accepted as Cymatiella ansonae (Beu, 1988)
• Sassia (Cymatiella) goniata (Cossmann, 1889) † accepted as Cymatiella goniata (Cossmann, 1889) †
• Sassia (Cymatiella) inornata (Deshayes, 1865) † accepted as Cymatiella inornata (Deshayes, 1865) †
• Sassia (Cymatiella) polygonoides (Deshayes, 1865) † accepted as Cymatiella polygonoides (Deshayes, 1865) †
• Sassia (Cymatiella) viperina (Lamarck, 1803) † accepted as Cymatiella viperina (Lamarck, 1803) †
• Sassia (Gyrineum) Link, 1807 accepted as Gyrineum Link, 1807
• Sassia (Gyrineum) planicostata (Deshayes, 1835) † accepted as Planitriton planicostatus (Deshayes, 1835) †
• Sassia (Haurokoa) C. A. Fleming, 1955 † accepted as Haurokoa C. A. Fleming, 1955 †
• Sassia (Haurokoa) marwicki (H. J. Finlay, 1924) † accepted as Haurokoa marwicki (H. J. Finlay, 1924) †
• Sassia (Haurokoa) woodi (C. A. Fleming, 1955) † accepted as Haurokoa woodi (C. A. Fleming, 1955) †
• Sassia (Personella) Conrad, 1865 † accepted as Personella Conrad, 1865
• Sassia (Sassia) Bellardi, 1872 accepted as Sassia Bellardi, 1873
• Sassia (Sassia) maoria (Finlay, 1924) † represented as Sassia maoria (H. J. Finlay, 1924) †
• Sassia (Sassia) neozelanica (P. Marshall & Murdoch, 1923) † accepted as Sassia neozelanica (P. Marshall & Murdoch, 1923) †
• Sassia (Sassia) parkinsonia (G. Perry, 1811) accepted as Austrosassia parkinsonia (G. Perry, 1811)
• Sassia (Sassia) ponderi Beu, 1987 accepted as Austrosassia ponderi (Beu, 1987)
• Sassia (Sassia) tortirostris (Tate, 1888) † accepted as Sassia tortirostris (Tate, 1888) † accepted as Austrosassia tortirostris (Tate, 1888) †
• Sassia (Sassia) zealta (Laws, 1939) † accepted as Sassia zealta (Laws, 1939) †
• Sassia antiqua (Deshayes, 1865) † accepted as Pseudosassia antiqua (Deshayes, 1865) †
• Sassia apenninica (Sasso, 1827) †
• Sassia armata (Hupé, 1854) †
• Sassia arthritica (A. W. B. Powell & Bartrum, 1929) † accepted as Proxicharonia arthritica (A. W. B. Powell & Bartrum, 1929) †
• Sassia bassi (Angas, 1869) accepted as Austrotriton bassi (Angas, 1869)
• Sassia bernayi (Cossmann, 1889) †
• Sassia bicincta (Deshayes, 1835) †
• Sassia carinulata (Cossmann, 1889) †
• Sassia carlea Dockery, 1993 †
• Sassia colubrina (Lamarck, 1803) † accepted as Sassiella colubrina (Lamarck, 1803) †
• Sassia cuneata (Cossmann, 1885) †
• Sassia cyphoides (H. J. Finlay, 1924) †
• Sassia danica (Schnetler, 2001) † accepted as Pseudosassia danica (Schnetler, 2001) †
• Sassia decagonia (H. J. Finlay, 1924) †
• Sassia delafossei (Rouault, 1850) †
• Sassia dumortieri (Baudon, 1853) †
• Sassia epitrema (Tenison Woods, 1877) accepted as Austrotriton epitremus (Tenison Woods, 1877)
• Sassia faxense (Ravn, 1933) †
• Sassia formosa (Deshayes, 1865) †
• Sassia foveolata (F. Sandberger, 1860) †
• Sassia garrardi (Beu, 1970) accepted as Austrotriton garrardi Beu, 1970
• Sassia jobbernsi (L. C. King, 1933) † accepted as Sassia kampyla (R. B. Watson, 1883) accepted as Cymatona kampyla (R. B. Watson, 1883)
• Sassia kampyla (R. B. Watson, 1883) accepted as Cymatona kampyla (R. B. Watson, 1883)
• Sassia kampyla kampyla (R. B. Watson, 1883) accepted as Sassia kampyla (R. B. Watson, 1883) accepted as Cymatona kampyla (R. B. Watson, 1883)
• Sassia lejeunii (Melleville, 1843) †
• Sassia leucostomoides (G. B. Sowerby I, 1846) †
• Sassia lewisi Harasewych & Petuch, 1980 accepted as Personella lewisi (Harasewych & Petuch, 1980)
• Sassia lindneri Parth, 1992 accepted as Austrosassia parkinsonia (G. Perry, 1811)
• Sassia maoria (H. J. Finlay, 1924) †
• Sassia marshalli Beu, 1978 accepted as Sassia remensa (Iredale, 1936)
• Sassia melpangi Harasewych & Beu, 2007
• Sassia menkrawitensis (Beets, 1941) †
• Sassia midwayensis (T. Habe & Okutani, 1968)
• Sassia mimetica (Tate, 1893) accepted as Austrotriton mimeticus (Tate, 1893)
• Sassia minima (F. W. Hutton, 1873) † accepted as Austrosassia minima (F. W. Hutton, 1873) †
• Sassia monsecouri Thach, 2024
• Sassia morgani (Ortmann, 1900) †
• Sassia mozambicana R. Aiken & Seccombe, 2019
• Sassia multigranifera (Deshayes, 1835) † accepted as Parasassia multigranifera (Deshayes, 1835) †
• Sassia nassariformis (G. B. Sowerby III, 1902)
• Sassia neozelanica (P. Marshall & Murdoch, 1923) †
• Sassia nodularia (Lamarck, 1803) † accepted as Protoplex nodularius (Lamarck, 1803) †
• Sassia pahaoaensis (Vella, 1954) †
• Sassia palmeri (A. W. B. Powell, 1967) accepted as Proxicharonia palmeri A. W. B. Powell, 1967
• Sassia parkinsonia (G. Perry, 1811) accepted as Austrosassia parkinsonia (G. Perry, 1811)
• Sassia petulans (Hedley & May, 1908) accepted as Austrotriton petulans (Hedley & May, 1908)
• Sassia philomelae (R. B. Watson, 1881) accepted as Cymatona philomelae (R. B. Watson, 1881)
• Sassia planocincta Wrigley, 1932 † accepted as Pseudosassia planocincta (Wrigley, 1932) †
• Sassia ponderi Beu, 1987 accepted as Austrosassia ponderi (Beu, 1987)
• Sassia pusulosa (Marwick, 1965) † accepted as Austrosassia pusulosa Marwick, 1965 †
• Sassia putzeysi Glibert, 1938 † (uncertain > unassessed)
• Sassia raulini (Cossmann & Peyrot, 1924) †
• Sassia remensa (Iredale, 1936)
• Sassia reticulosa (Deshayes, 1835) †