Between brackets is the number of accepted species

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- Mollusca (132 791)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (25 009)
- Class Caudofoveata (143)
- Class Cephalopoda (1 834)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 697)
- Subclass Amphigastropoda † (390)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 636)
- Subclass Gastropoda incertae sedis (308)
- Subclass Heterobranchia (39 156)
- Subclass Neomphaliones accepted as Vetigastropoda
- Subclass Neritimorpha (1 914)
- Subclass Orthogastropoda represented as Gastropoda
- Subclass Patellogastropoda (511)
- Subclass Prosobranchia
- Subclass Psilogastropoda represented as Gastropoda
- Subclass Vetigastropoda (6 782)
- Order Anisobranchia accepted as Trochidae Rafinesque, 1815
- Order Cocculinida (69)
- Order Lepetellida (1 205)
- Order Neomphalida (63)
- Order Pleurotomariida (695)
- Order Seguenziida (923)
- Order Trochida (3 799)
- Superfamily Angarioidea Gray, 1857 accepted as Trochoidea Rafinesque, 1815
- Superfamily Phasianelloidea Swainson, 1840 accepted as Trochoidea Rafinesque, 1815
- Superfamily Trochoidea Rafinesque, 1815 (3 799)
- Family Angariidae J. E. Gray, 1857 (59)
- Family Anomphalidae Wenz, 1938 † (16)
- Family Araeonematidae Nützel, 2012 † (10)
- Family Areneidae J. H. McLean, 2012 (56)
- Family Ataphridae Cossmann, 1915 † (16)
- Family Calliostomatidae Thiele, 1924 (1847) (617)
- Family Colloniidae Cossmann, 1917 (362)
- Family Conradiidae A. N. Golikov & Starobogatov, 1987 (109)
- Family Crosseolidae Hickman, 2013 accepted as Conradiidae A. N. Golikov & Starobogatov, 1987
- Family Cyclostrematidae P. Fischer, 1885 accepted as Liotiidae Gray, 1850
- Family Delphinulidae Stoliczka, 1868 accepted as Angariidae J. E. Gray, 1857
- Family Elasmonematidae Knight, 1956 † (11)
- Family Epulotrochidae Gründel, Keupp & F. Lang, 2017 † (10)
- Family Eucochlidae Bandel, 2002 † (3)
- Family Fossarinidae Bandel, 2009 accepted as Fossarininae Bandel, 2009
- Family Gazidae Hickman & J. H. McLean, 1990 accepted as Margaritidae Thiele, 1924
- Family Liotiidae Gray, 1850 (154)
- Family Liotinidae Nomura, 1932 accepted as Liotiidae Gray, 1850
- Family Margaritidae Thiele, 1924 (76)
- Family Margaritinae Stoliczka, 1868 accepted as Margaritidae Thiele, 1924
- Family Metriomphalidae Gründel, Keupp & F. Lang, 2017 † (8)
- Family Microdomatidae Wenz, 1938 † (12)
- Family Nododelphinulidae L. R. Cox, 1960 † (17)
- Family Paleophasianellidae Chaix & Plicot, 2024 † (2)
- Family Phasianellidae Swainson, 1840 (84)
- Family Proconulidae L. R. Cox, 1960 † (10)
- Family Sclarotrardidae Gründel, Keupp & F. Lang, 2017 † (1)
- Family Skeneidae W. Clark, 1851 (440)
- Family Solariellidae A. W. B. Powell, 1951 (272)
- Family Stomatellidae J. E. Gray, 1840 accepted as Stomatellinae J. E. Gray, 1840
- Family Stomatiidae P. P. Carpenter, 1861 accepted as Stomatellinae J. E. Gray, 1840
- Family Talopiidae Finlay, 1928 accepted as Umboniinae H. Adams & A. Adams, 1854 (1840)
- Family Tegulidae Kuroda, Habe & Oyama, 1971 (120)
- Family Tricoliidae Woodring, 1928 accepted as Tricoliinae Woodring, 1928
- Family Trochidae Rafinesque, 1815 (1 043)
- Family Trochoidea incertae sedis (15)
- Family Turbinidae Rafinesque, 1815 (275)
- Subfamily Prisogasterinae Hickman & J. H. McLean, 1990 (4)
- Subfamily Skeneinae W. Clark, 1851 accepted as Skeneidae W. Clark, 1851
- Subfamily Tegulinae Kuroda, Habe & Oyama, 1971 accepted as Tegulidae Kuroda, Habe & Oyama, 1971
- Subfamily Turbininae Rafinesque, 1815 (262)
- Genus Anadema H. Adams & A. Adams, 1854 (1)
- Genus Astraea Röding, 1798 (6)
- Genus Astralium Link, 1807 (34)
- Genus Astrea [sic] accepted as Astraea Röding, 1798
- Genus Batillus Schumacher, 1817 accepted as Turbo (Batillus) Schumacher, 1817
- Genus Bellastraea Iredale, 1924 (6)
- Genus Bolma Risso, 1826 (54)
- Genus Calcar Montfort, 1810 accepted as Astralium Link, 1807
- Genus Callopoma Gray, 1850 accepted as Turbo (Callopoma) Gray, 1850
- Genus Canthorbis Swainson, 1840 accepted as Astraea Röding, 1798
- Genus Carswellena Iredale, 1931 accepted as Turbo (Carswellena) Iredale, 1931
- Genus Coelobolma Cossmann, 1918 † (2)
- Genus Cookia R. P. Lesson, 1832 (2)
- Genus Cyclocantha Swainson, 1840 accepted as Astralium Link, 1807
- Genus Dinassovica Iredale, 1937 accepted as Turbo (Turbo) Linnaeus, 1758
- Genus Distellifer Iredale, 1937 accepted as Astralium Link, 1807
- Genus Euninella Cotton, 1939 accepted as Turbo (Carswellena) Iredale, 1931
- Genus Foliastralium Habe & Okutani, 1980 accepted as Astralium Link, 1807
- Genus Fornax Jousseaume, 1888 accepted as Turbo (Aspilaturbo) S. T. Williams, 2008
- Genus Fractopella Beu, 1970 † accepted as Guildfordia J. E. Gray, 1850
- Genus Galeoastraea Kuroda & Habe, 1958 accepted as Bolma Risso, 1826
- Genus Guildfordia J. E. Gray, 1850 (11)
- Genus Halopsephus Rehder, 1943 accepted as Turbo (Halopsephus) Rehder, 1943
- Genus Harisazaea Habe, 1958 accepted as Bolma Risso, 1826
- Genus Heteroninella Magne, 1940 † (3)
- Genus Imperator Montfort, 1810 accepted as Astraea Röding, 1798
- Genus Incilaster H. J. Finlay, 1926 accepted as Bolma Risso, 1826
- Genus Laeviturbo Cossmann, 1918 accepted as Turbo (Turbo) Linnaeus, 1758
- Genus Lithopoma J. E. Gray, 1850 (6)
- Genus Lunatica Röding, 1798 accepted as Turbo Linnaeus, 1758
- Genus Lunella Röding, 1798 (13)
- Genus Macropelmus Gistel, 1848 accepted as Astralium Link, 1807
- Genus Marmarostoma Swainson, 1829 accepted as Turbo (Marmarostoma) Swainson, 1829
- Genus Megastraea J. H. McLean, 1970 (2)
- Genus Micrastraea Cotton, 1939 accepted as Bellastraea Iredale, 1924
- Genus Modelia J. E. Gray, 1850 (1)
- Genus Ninella J. E. Gray, 1850 accepted as Lunella Röding, 1798
- Genus Ocana H. Adams, 1861 accepted as Turbo (Sarmaticus) Gray, 1847
- Genus Okinawastraea Habe & Okutani, 1981 accepted as Astralium Link, 1807
- Genus Olearia Herrmannsen, 1847
- Genus Oobolma Sacco, 1896 † accepted as Bolma Risso, 1826
- Genus Opella Finlay, 1926 † accepted as Guildfordia J. E. Gray, 1850
- Genus Ormastralium Sacco, 1896 accepted as Bolma Risso, 1826
- Genus Pachypoma J. E. Gray, 1850 accepted as Lithopoma J. E. Gray, 1850
- Genus Pagocalcar Iredale, 1937 accepted as Astralium Link, 1807
- Genus Petholatus Jousseaume, 1886 accepted as Turbo Linnaeus, 1758
- Genus Pomaulax J. E. Gray, 1850 (7)
- Species Pomaulax biangulatus (Gabb, 1866) †
- Species Pomaulax geummiae Berschauer & Petuch, 2023
- Species Pomaulax gibberosus (Dillwyn, 1817)
- Subspecies Pomaulax gibberosus gibberosus (Dillwyn, 1817)
- Subspecies Pomaulax gibberosus magdalena (Dall, 1910)
- Species Pomaulax japonicus (Dunker, 1845)
- Species Pomaulax omorii (Shibata, 1957) †
- Species Pomaulax spiratus (Dall, 1911)
- Species Pomaulax turbanicus Dall, 1910 accepted as Megastraea turbanica (Dall, 1910)
- Species Pomaulax tyosiensis (Ozaki, 1954) †
- Genus Rugastella Iredale, 1937 accepted as Astralium Link, 1807
- Genus Sarmaturbo A. W. B. Powell, 1938 † (2)
- Genus Senectus Swainson, 1840 accepted as Turbo (Senectus) Swainson, 1840
- Genus Senobolma Okutani, 1964 accepted as Bolma Risso, 1826
- Genus Stella P. Fischer, 1885 accepted as Astralium Link, 1807
- Genus Subninella Thiele, 1929 accepted as Lunella (Subninella) Thiele, 1929
- Genus Turbo Linnaeus, 1758 (108)
- Genus Tylastralium Sacco, 1896 † accepted as Bolma Risso, 1826
- Genus Uvanilla J. E. Gray, 1850 (4)
- Genus Varostium Iredale, 1938 accepted as Turbo Linnaeus, 1758
- Genus Flacilla Koken, 1896 †
- Genus Kaurnella Ludbrook, 1941 (1)
- Genus Nummogaultina Kollmann, 2005 † (3)
- Genus Pseudastralium Schepman, 1908 accepted as Bolma Risso, 1826
- Genus Pseudophasianus Cossmann, 1918 † (1)
- Genus Sarmaticus Gray, 1847 accepted as Turbo (Sarmaticus) Gray, 1847
- Genus Tectariopsis Cossmann, 1888 † (3)
- Genus Tropidomarga A. W. B. Powell, 1951 (1)
- Genus Turbinites W. Martin, 1809 †
- Genus Turbonitella de Koninck, 1881 †
- Family Tychobraheidae Horný, 1992 † (1)
- Family Velainellidae Vasseur, 1880 †
- Subfamily Minoliinae Kuroda, T. Habe & Oyama, 1971 accepted as Solariellidae A. W. B. Powell, 1951
- Subfamily Parataphrinae Calzada, 1989 † accepted as Proconulidae L. R. Cox, 1960 †
- Superfamily Fissurellacea accepted as Fissurelloidea J. Fleming, 1822
- Superfamily Trochacea accepted as Trochoidea Rafinesque, 1815
- Superfamily Turbinoidea Rafinesque, 1815 accepted as Trochoidea Rafinesque, 1815
- Superfamily Vetigastropoda incertae sedis (28)
- Class Lamellibranchiata accepted as Bivalvia
- Class Loricata accepted as Polyplacophora
- Class Mollusca incertae sedis † (372)
- Class Monoplacophora (229)
- Class Pelecypoda accepted as Bivalvia
- Class Polyplacophora (1 377)
- Class Polyplaxiphora accepted as Polyplacophora
- Class Rostroconchia † (64)
- Class Scaphopoda (752)
- Class Solenoconchia accepted as Scaphopoda
- Class Solenogastres (313)
- Subclass Chaetodermomorpha accepted as Caudofoveata