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)
Actinocyclus Ehrenberg, 1831 (basis of record)
Akeridae Mazzarelli, 1891 (basis of record)
Alloposidae A. E. Verrill, 1881 (basis of record)
Amiantis P. P. Carpenter, 1864 (basis of record)
Anaspidea accepted as Aplysiida (basis of record)
Anomalocardia Schumacher, 1817 (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)
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)
Aulacomya Mörch, 1853 (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)
Bolitaenidae Chun, 1911 accepted as Bolitaeninae Chun, 1911 (basis of record)
Bolitaenoidea Chun, 1911 accepted as Octopodoidea A. d'Orbigny, 1840 (basis of record)
Brachioteuthis A. E. Verrill, 1881 (additional source)
Buccininae Rafinesque, 1815 (basis of record)
Bullaria Rafinesque, 1815 accepted as Bulla Linnaeus, 1758 (basis of record)
Cadella Dall, Bartsch & Rehder, 1938 (basis of record)
Cadella semen (Hanley, 1845) (source of synonymy)
Callochiton J. E. Gray, 1847 (additional source)
Cancilla (Domiporta) Cernohorsky, 1970 accepted as Domiporta Cernohorsky, 1970 (basis of record)
Cantharidus Montfort, 1810 (basis of record)
Capiluna Gray, 1857 accepted as Diodora J. E. Gray, 1821 (basis of record)
Capiluna Gray, 1857 accepted as Diodora J. E. Gray, 1821 (source of synonymy)
Cardiapoda A. d'Orbigny, 1836 (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)
Chitonidae Rafinesque, 1815 (basis of record)
Chitoninae Rafinesque, 1815 (basis of record)
Chlamys Röding, 1798 (additional source)
Chrysostoma Swainson, 1840 (basis of record)
Cingula J. Fleming, 1818 (additional source)
Clausinella J. E. Gray, 1851 (additional source)
Cominella J. E. Gray, 1850 (basis of record)
Comptopallium Iredale, 1939 accepted as Decatopecten G. B. Sowerby II, 1839 (basis of record)
Coralliophilidae Chenu, 1859 accepted as Coralliophilinae Chenu, 1859 (basis of record)
Corymbichlamys Iredale, 1939 accepted as Cryptopecten Dall, Bartsch & Rehder, 1938 (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)
Crista Römer, 1857 accepted as Gafrarium Röding, 1798 (basis of record)
Cryptodon W. Turton, 1822 accepted as Thyasira Lamarck, 1818 (basis of record)
Cryptogramma Mörch, 1853 accepted as Anomalocardia Schumacher, 1817 (basis of record)
Cryptoplacidae H. Adams & A. Adams, 1858 (basis of record)
Ctenopterygidae Grimpe, 1922 accepted as Chtenopterygidae Grimpe, 1922 (basis of record)
Cultellus Schumacher, 1817 (basis of record)
Cyamioidea Sars, 1878 (basis of record)
Cyclotellina scobinata (Linnaeus, 1758) accepted as Scutarcopagia scobinata (Linnaeus, 1758) (source of synonymy)
Cymatium tuberosum (Lamarck, 1822) accepted as Gutturnium muricinum (Röding, 1798) (source of synonymy)
Cymbula H. Adams & A. Adams, 1854 (source of synonymy)
Cymbulia Péron & Lesueur, 1810 (additional source)
Cytherea Röding, 1798 accepted as Periglypta Jukes-Browne, 1914 (basis of record)
Demoulia Gray, 1838 (additional source)
Dinoplax P. P. Carpenter, 1882 (basis of record)
Dolabriferinae Pilsbry, 1895 represented as Aplysiidae Lamarck, 1809 (basis of record)
Dorididae Rafinesque, 1815 (basis of record)
Dosiniinae Deshayes, 1853 (basis of record)
Eledone Leach, 1817 (additional source)
Eratoinae Gill, 1871 accepted as Eratoidae Gill, 1871 (basis of record)
Erycina Lamarck, 1805 (additional source)
Eulimella (Bacteridium) Thiele, 1929 accepted as Bacteridium Thiele, 1929 (basis of record)
Eumarcia Iredale, 1924 (basis of record)
Eutritonium tuberosum (Lamarck, 1822) accepted as Gutturnium muricinum (Röding, 1798) (source of synonymy)
Facelinidae Bergh, 1889 (basis of record)
Facelininae Bergh, 1889 (basis of record)
Florisarka Iredale, 1936 accepted as Hiatula Modeer, 1793 (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)
Gari elongata (Lamarck, 1818) (basis of record)
Gastrana Schumacher, 1817 (additional source)
Gastrochoena accepted as Gastrochaena Spengler, 1783 (basis of record)
Geitodoris Bergh, 1891 (additional source)
Gena Gray, 1842 accepted as Stomatella Lamarck, 1816 (basis of record)
Gena callosa P. Fischer, 1871 accepted as Stomatella callosa (P. Fischer, 1871) (source of synonymy)
Gena planulata (Lamarck, 1816) accepted as Stomatella planulata Lamarck, 1816 (source of synonymy)
Gleba Forsskål, 1776 (additional source)
Glossus Poli, 1795 (additional source)
Glyphostoma Gabb, 1873 (basis of record)

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