"Lower Heterobranchia" (basis of record)
Acteocinidae Dall, 1913 accepted as Tornatinidae P. Fischer, 1883 (source of synonymy)
Acteonidae A. d'Orbigny, 1842 (basis of record)
Acteonimorpha (basis of record)
Aegiridae P. Fischer, 1883 (basis of record)
Aeolidioidea J. E. Gray, 1827 (basis of record)
Amathinidae Ponder, 1987 (basis of record)
Amoriinae J. E. Gray, 1857 (basis of record)
Angariidae J. E. Gray, 1857 (basis of record)
Aplysiida (basis of record)
Aplysiidae Lamarck, 1809 (basis of record)
Aplysioidea Lamarck, 1809 (basis of record)
Architaenioglossa (additional source)
Architectonicidae J. E. Gray, 1850 (basis of record)
Architectonicoidea J. E. Gray, 1850 (basis of record)
Arminoidea Iredale & O'Donoghue, 1923 (1841) (basis of record)
Atlantidae Rang, 1829 (basis of record)
Babyloniidae Kuroda, T. Habe & Oyama, 1971 (basis of record)
Bellamyinae Rohrbach, 1937 (status source)
Bistolidini C. P. Meyer, 2003 (status source)
Buccinoidea Rafinesque, 1815 (additional source)
Bullinidae J. E. Gray, 1850 accepted as Aplustridae J. E. Gray, 1847 (source of synonymy)
Bulloidea J. E. Gray, 1827 (basis of record)
Bursidae Thiele, 1925 (basis of record)
Calliostomatidae Thiele, 1924 (1847) (basis of record)
Calliotectinae Pilsbry & Olsson, 1954 (basis of record)
Cancellariidae Forbes & Hanley, 1851 (status source)
Capulinae J. Fleming, 1822 (basis of record)
Cavoliniidae J. E. Gray, 1850 (1815) (basis of record)
Chilodontaidae "Wenz, 1938" [proposed to address assumed homonymy] accepted as Chilodontidae Wenz, 1938 (basis of record)
Chromodorididae Bergh, 1891 (basis of record)
Chromodoridinae Bergh, 1891 (basis of record)
Chromodoridoidea Bergh, 1891 (basis of record)
Cladobranchia (status source)
Colloniidae Cossmann, 1917 (basis of record)
Colubrariidae Dall, 1904 (status source)
Columbariidae Tomlin, 1928 (basis of record)
Columbellidae Swainson, 1840 (status source)
Creseidae Rampal, 1973 (basis of record)
Cycloneritida (basis of record)
Cymatiidae Iredale, 1913 (1854) (taxonomy source)
Cypraeoidea Rafinesque, 1815 (additional source)
Dendronotidae Allman, 1845 (basis of record)
Dendronotoidea Allman, 1845 (basis of record)
Diodorinae Odhner, 1932 accepted as Fissurellideinae Pilsbry, 1890 (basis of record)
Dolabriferinae Pilsbry, 1895 (basis of record)
Doridina accepted as Doridida (basis of record)
Ellobiida (basis of record)
Ellobiidae L. Pfeiffer, 1854 (1822) (basis of record)
Ellobioidea L. Pfeiffer, 1854 (1822) (basis of record)
Emarginulinae Children, 1834 (basis of record)
Eratoidae T. Gill, 1871 (status source)
Ergalataxinae Kuroda, T. Habe & Oyama, 1971 (basis of record)
Erosariinae F. A. Schilder, 1924 (basis of record)
Erroneinae F. A. Schilder, 1927 (status source)
Erroneini F. A. Schilder, 1927 (status source)
Eucyclidae Koken, 1896 (basis of record)
Euthecosomata (basis of record)
Euthyneura (basis of record)
Fasciolariidae J. E. Gray, 1853 (additional source)
Fissurellidae J. Fleming, 1822 (basis of record)
Fissurellideinae Pilsbry, 1890 (source of synonymy)
Fissurelloidea J. Fleming, 1822 (basis of record)
Fulgorariinae Pilsbry & Olsson, 1954 (basis of record)
Gymnodorididae Odhner, 1941 accepted as Polycerinae Alder & Hancock, 1845 (source of synonymy)
Gymnosomata (basis of record)
Haliotidae Rafinesque, 1815 (basis of record)
Harpidae Bronn, 1849 (basis of record)
Harpinae Bronn, 1849 (basis of record)
Hemitominae Kuroda & Habe, 1971 accepted as Zeidorinae Naef, 1911 (basis of record)
Hermaeidae H. Adams & A. Adams, 1854 (basis of record)
Heterobranchia (basis of record)
Heterobranchia (additional source)
Hexabranchidae Bergh, 1891 (basis of record)
Hipponicidae Troschel, 1861 (basis of record)
Hipponicoidea Troschel, 1861 (basis of record)
Janthinidae Lamarck, 1822 accepted as Epitoniidae S. S. Berry, 1910 (1812) (basis of record)
Laubierinidae Warén & Bouchet, 1990 (basis of record)
Limacinidae J. E. Gray, 1840 (basis of record)
Limacinoidea J. E. Gray, 1840 (basis of record)
Liotiidae J. E. Gray, 1850 (taxonomy source)
Luriinae F. A. Schilder, 1932 (basis of record)
Lyriini Pilsbry & Olsson, 1954 (basis of record)
Mangeliidae P. Fischer, 1883 (status source)
Melongenidae T. Gill, 1871 (1854) (status source)
Melonini Pilsbry & Olsson, 1954 (basis of record)
Miamirinae Bergh, 1891 (basis of record)
Mitroidea Swainson, 1831 (basis of record)
Moruminae Hughes & W. K. Emerson, 1987 (basis of record)
Muricidae Rafinesque, 1815 (basis of record)
Nacellidae Thiele, 1891 (basis of record)
Nassariidae Iredale, 1916 (1835) (status source)
Neritidae Rafinesque, 1815 (basis of record)
Neritimorpha (basis of record)
Neritoidea Rafinesque, 1815 (basis of record)
Neritopsidae J. E. Gray, 1847 (basis of record)
Notarchinae Mazzarelli, 1893 (status source)
Nudibranchia (basis of record)
Okadaiidae Baba, 1930 accepted as Okadaiinae Baba, 1930 (basis of record)
Onchidioidea Rafinesque, 1815 (basis of record)