Acteonoidea A. d'Orbigny, 1842 (basis of record)
Aeolidida accepted as Aeolidioidea Gray, 1827 (basis of record)
Aeolidiidae Gray, 1827 (basis of record)
Aplysiidae Lamarck, 1809 (additional source)
Aplysiomorpha accepted as Aplysiida (additional source)
Aporrhaidae J. E. Gray, 1850 (additional source)
Arminidae Iredale & O'Donoghue, 1923 (1841) (basis of record)
Caecinae J. E. Gray, 1850 (basis of record)
Caenogastropoda (basis of record)
Calyptraeidae Lamarck, 1809 (basis of record)
Calyptraeoidea Lamarck, 1809 (basis of record)
Capulidae J. Fleming, 1822 (additional source)
Cephalaspidea (basis of record)
Cerithioidea J. Fleming, 1822 (additional source)
Cerithiopsoidea accepted as Triphoroidea J. E. Gray, 1847 (basis of record)
Cocculinoidea Dall, 1882 (basis of record)
Conidae J. Fleming, 1822 (basis of record)
Conoidea J. Fleming, 1822 (basis of record)
Coryphellidae Bergh, 1889 (basis of record)
Crepidulidae J. Fleming, 1822 accepted as Calyptraeidae Lamarck, 1809 (source of synonymy)
Crepiduloidea J. Fleming, 1822 accepted as Calyptraeoidea Lamarck, 1809 (additional source)
Cylichnidae H. Adams & A. Adams, 1854 (basis of record)
Diaphanidae Odhner, 1914 (1857) (basis of record)
Diaphaninae Odhner, 1914 (1857) (basis of record)
Diaphanoidea Odhner, 1914 (1857) accepted as Cylichnoidea H. Adams & A. Adams, 1854 (basis of record)
Doridoidea Rafinesque, 1815 (basis of record)
Doridoidei (basis of record)
Dotidae Gray, 1853 (basis of record)
Embletoniidae Pruvot-Fol, 1954 (basis of record)
Epitoniidae S. S. Berry, 1910 (1812) (additional source)
Epitonioidea S. S. Berry, 1910 (1812) (basis of record)
Euctenidiacea accepted as Doridina (basis of record)
Eulimidae R. A. Philippi, 1853 (basis of record)
Eulimoidea R. A. Philippi, 1853 accepted as Vanikoroidea Gray, 1840 (basis of record)
Facelinidae Bergh, 1889 (additional source)
Fionidae Gray, 1857 (additional source)
Fionoidea Gray, 1857 (basis of record)
Flabellinidae Bergh, 1889 (basis of record)
Flabellinoidea Bergh, 1889 accepted as Fionoidea Gray, 1857 (basis of record)
Gastropoda (basis of record)
Goniodorididae H. Adams & A. Adams, 1854 (basis of record)
Hydrobiidae W. Stimpson, 1865 (status source)
Hydrobiinae W. Stimpson, 1865 (basis of record)
Hypsogastropoda (basis of record)
Iravadiidae Thiele, 1928 (basis of record)
Lepetellidae Dall, 1882 (basis of record)
Lepetellinae Dall, 1882 accepted as Lepetellidae Dall, 1882 (basis of record)
Lepetelloidea Dall, 1882 (basis of record)
Littorinimorpha (basis of record)
Muricoidea Rafinesque, 1815 (basis of record)
Naticidae Guilding, 1834 (basis of record)
Naticinae Guilding, 1834 (basis of record)
Naticoidea Guilding, 1834 (additional source)
Newtoniellidae Korobkov, 1955 (basis of record)
Newtoniellinae Korobkov, 1955 (basis of record)
Nudipleura (basis of record)
Odostomiinae Pelseneer, 1928 (basis of record)
Oenopotinae Bogdanov, 1987 accepted as Mangeliidae P. Fischer, 1883 (basis of record)
Onchidorididae Gray, 1827 (basis of record)
Onchidoridoidea Gray, 1827 (basis of record)
Patellidae Rafinesque, 1815 (basis of record)
Patelloidea Rafinesque, 1815 (basis of record)
Philinidae J. E. Gray, 1850 (1815) (basis of record)
Philinoidea J. E. Gray, 1850 (1815) (basis of record)
Pleurobranchidae Gray, 1827 (additional source)
Pleurobranchinae Gray, 1827 accepted as Pleurobranchidae Gray, 1827 (basis of record)
Pleurobranchomorpha accepted as Pleurobranchida (status source)
Polyceridae Alder & Hancock, 1845 (basis of record)
Ptenoglossa (basis of record)
Pyramidellidae J. E. Gray, 1840 (basis of record)
Pyramidellinae (basis of record)
Raphitomidae Bellardi, 1875 (basis of record)
Retusidae Thiele, 1925 (basis of record)
Rissoidae Gray, 1847 (basis of record)
Rissoinae Gray, 1847 accepted as Rissoidae Gray, 1847 (basis of record)
Rissooidea Gray, 1847 (basis of record)
Skeneinae W. Clark, 1851 accepted as Skeneidae W. Clark, 1851 (basis of record)
Tergipedidae Bergh, 1889 (basis of record)
Tornidae Sacco, 1896 (1884) (basis of record)
Triophinae Odhner, 1941 (basis of record)
Triphoroidea J. E. Gray, 1847 (basis of record)
Tritonioidea Lamarck, 1809 (basis of record)
Trochoidea Rafinesque, 1815 (additional source)
Turbinidae Rafinesque, 1815 (additional source)
Turbonillinae Bronn, 1849 (additional source)
Turridae H. Adams & A. Adams, 1853 (1838) (basis of record)
Turritellidae Lovén, 1847 (basis of record)
Turritellinae Lovén, 1847 (basis of record)
Vanikoroidea Gray, 1840 (basis of record)