Acanthochaetes Risso, 1826 accepted as Acanthochitona J. E. Gray, 1821 (basis of record)
Acanthochites Risso, 1826 accepted as Acanthochitona J. E. Gray, 1821 (basis of record)
Acanthochitonidae Pilsbry, 1893 (basis of record)
Acanthopleura Guilding, 1830 (basis of record)
Acanthopleurinae Dall, 1889 (basis of record)
Acmaea Eschscholtz, 1833 (additional source)
Akeridae Mazzarelli, 1891 (basis of record)
Alloposidae A. E. Verrill, 1881 (basis of record)
Anaspidea accepted as Aplysiida (basis of record)
Ancistrocheirinae accepted as Ancistrocheiridae Pfeffer, 1912 (basis of record)
Antonietta Schmekel, 1966 (additional source)
Archaeogastropoda accepted as Vetigastropoda (basis of record)
Archaeopulmonata accepted as Siphonarioidea Gray, 1827 (basis of record)
Archidorididae Bergh, 1891 accepted as Dorididae Rafinesque, 1815 (basis of record)
Arcopagia T. Brown, 1827 † (additional source)
Arctica Schumacher, 1817 (additional source)
Arcticoidea R. B. Newton, 1891 (1844) (basis of record)
Argobuccinum Herrmannsen, 1846 (basis of record)
Armina Rafinesque, 1814 (additional source)
Asaphis Modeer, 1793 (basis of record)
Astarte J. Sowerby, 1816 (additional source)
Astartidae A. d'Orbigny, 1844 (1840) (basis of record)
Astartoidea A. d'Orbigny, 1844 accepted as Crassatelloidea A. Férussac, 1822 (basis of record)
Barleeidae [sic] accepted as Barleeiidae J. E. Gray, 1857 (basis of record)
Barnea Risso, 1826 (additional source)
Basommatophora accepted as Hygrophila (basis of record)
Bathydorididae Bergh, 1891 (basis of record)
Beanella Dall, 1882 accepted as Lepidochitona J. E. Gray, 1821 (basis of record)
Beanella Dall, 1882 accepted as Lepidochitona J. E. Gray, 1821 (source of synonymy)
Biserramenia Salvini-Plawen, 1967 (additional source)
Bolitaenidae Chun, 1911 accepted as Bolitaeninae Chun, 1911 (basis of record)
Bolitaenoidea Chun, 1911 accepted as Octopodoidea A. d'Orbigny, 1839 (basis of record)
Boreochiton G. O. Sars, 1878 (basis of record)
Brachioteuthis A. E. Verrill, 1881 (additional source)
Buccininae Rafinesque, 1815 (basis of record)
Bullaea alata Forbes, 1844 accepted as Philine punctata (J. Adams, 1800) (basis of record)
Callochiton J. E. Gray, 1847 (additional source)
Cantharidus Montfort, 1810 (basis of record)
Carinariidae Blainville, 1818 (basis of record)
Cassinae Latreille, 1825 (basis of record)
Cavolinia Abildgaard, 1791 (basis of record)
Cerithium (Thericium) Monterosato, 1890 accepted as Cerithium Bruguière, 1789 (basis of record)
Cerithium (Vulgocerithium) Cossmann, 1895 accepted as Thericium Monterosato, 1890 accepted as Cerithium Bruguière, 1789 (basis of record)
Chaetodermomorpha accepted as Caudofoveata (basis of record)
Chaetopleura Shuttleworth, 1853 (additional source)
Chaetopleurinae Plate, 1899 accepted as Chaetopleuridae Plate, 1899 (basis of record)
Chalidis Quatrefages, 1844 accepted as Limapontia G. Johnston, 1836 (basis of record)
Chalidis Quatrefages, 1844 accepted as Limapontia G. Johnston, 1836 (source of synonymy)
Chitonidae Rafinesque, 1815 (basis of record)
Chitoninae Rafinesque, 1815 (basis of record)
Chlamys Röding, 1798 (additional source)
Cingula J. Fleming, 1818 (additional source)
Clausinella J. E. Gray, 1851 (additional source)
Cochlodesma Couthouy, 1839 (additional source)
Coralliophilidae Chenu, 1859 accepted as Coralliophilinae Chenu, 1859 (basis of record)
Crassispirinae J. H. McLean, 1971 accepted as Pseudomelatomidae J. P. E. Morrison, 1966 (basis of record)
Crepiduloidea J. Fleming, 1822 accepted as Calyptraeoidea Lamarck, 1809 (basis of record)
Crimora Alder & Hancock, 1862 (additional source)
Cryptodon W. Turton, 1822 accepted as Thyasira Lamarck, 1818 (basis of record)
Ctenopterygidae Grimpe, 1922 accepted as Chtenopterygidae Grimpe, 1922 (basis of record)
Cultellus Schumacher, 1817 (basis of record)
Cyamioidea G. O. Sars, 1878 (basis of record)
Cymbula H. Adams & A. Adams, 1854 (source of synonymy)
Cymbulia F. Péron & Lesueur, 1810 (additional source)
Cytherea Röding, 1798 accepted as Periglypta Jukes-Browne, 1914 (basis of record)
Demoulia Gray, 1838 (additional source)
Dolabriferinae Pilsbry, 1895 represented as Aplysiidae Lamarck, 1809 (basis of record)
Dorididae Rafinesque, 1815 (basis of record)
Dosinia (Pectunculus) da Costa, 1778 represented as Dosinia Scopoli, 1777 (basis of record)
Dosiniinae Deshayes, 1853 (basis of record)
Eledone Leach, 1817 (additional source)
Eolidia [sic] accepted as Aeolidia Cuvier, 1798 (source of synonymy)
Eolis Cuvier, 1805 accepted as Aeolidia Cuvier, 1798 (basis of record)
Eolis Cuvier, 1805 accepted as Aeolidia Cuvier, 1798 (source of synonymy)
Epilepton Dall, 1899 (additional source)
Eratoinae Gill, 1871 accepted as Eratoidae Gill, 1871 (basis of record)
Erycina Lamarck, 1805 (additional source)
Erycina (Hemilepton) Cossmann, 1912 accepted as Hemilepton Cossmann, 1912 (basis of record)
Euplocamus R. A. Philippi, 1836 accepted as Kaloplocamus Bergh, 1880 (basis of record)
Fabulina Gray, 1851 (basis of record)
Fabulina Gray, 1851 (source of synonymy)
Facelinidae Bergh, 1889 (basis of record)
Facelininae Bergh, 1889 (basis of record)
Fowlerina Pelseneer, 1906 (additional source)
Fusus Helbling, 1779 accepted as Cumia Bivona, 1838 (basis of record)
Gafrarium Röding, 1798 (additional source)
Galeomma W. Turton, 1825 (additional source)
Galvina Alder & Hancock, 1855 accepted as Eubranchus Forbes, 1838 (basis of record)
Gastrana Schumacher, 1817 (additional source)
Geitodoris Bergh, 1891 (additional source)
Gena Gray, 1842 accepted as Stomatella Lamarck, 1816 (basis of record)
Gleba Forsskål, 1776 (additional source)
Glossus Poli, 1795 (additional source)
Gonatus J. E. Gray, 1849 (additional source)
Gutturnium muricinum (Röding, 1798) (source of synonymy)
Gymnomorpha accepted as Systellommatophora (basis of record)
Hedylopsidae Odhner, 1952 (basis of record)
Helcion (Ansates) G. B. Sowerby II, 1839 accepted as Patella Linnaeus, 1758 (basis of record)
Hero Alder & Hancock, 1855 (additional source)
Heteranomia Winckworth, 1922 (additional source)

English ancillas for Ancilla Lamarck, 1799
English olive shells for Oliva Bruguière, 1789
English rock shells for Thais Röding, 1798