Acanthochitonidae Pilsbry, 1893 (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)
Aporrhaiidae accepted as Aporrhaidae J. E. Gray, 1850 (basis of record)
Archaeogastropoda accepted as Vetigastropoda (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)
Armina Rafinesque, 1814 (additional source)
Astarte J. Sowerby, 1816 (additional source)
Astartidae A. d'Orbigny, 1844 (1840) (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)
Biserramenia Salvini-Plawen, 1967 (additional source)
Boreochiton G. O. Sars, 1878 (basis of record)
Brachioteuthis A. E. Verrill, 1881 (additional source)
Buccininae Rafinesque, 1815 (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)
Callochitoninae Plate, 1901 accepted as Callochitonidae Plate, 1901 (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)
Chioninae Frizzell, 1936 accepted as Venerinae Rafinesque, 1815 (basis of record)
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)
Crassispirinae J. H. McLean, 1971 accepted as Pseudomelatomidae J. P. E. Morrison, 1966 (basis of record)
Crimora Alder & Hancock, 1862 (additional source)
Cyamioidea Sars, 1878 (basis of record)
Cymbulia Péron & Lesueur, 1810 (additional source)
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)
Epilepton Dall, 1899 (additional source)
Eratoinae Gill, 1871 accepted as Eratoidae Gill, 1871 (basis of record)
Erycina Lamarck, 1805 (additional source)
Fabulina Gray, 1851 (source of synonymy)
Fabulina Gray, 1851 (basis of record)
Facelinidae Bergh, 1889 (basis of record)
Fowlerina Pelseneer, 1906 (additional source)
Galeomma W. Turton, 1825 (additional source)
Gastrana Schumacher, 1817 (additional source)
Geitodoris Bergh, 1891 (additional source)
Glossus Poli, 1795 (additional source)
Gonatus Gray, 1849 (additional source)
Hedylopsidae Odhner, 1952 (basis of record)
Helcion (Ansates) G. B. Sowerby II, 1839 accepted as Patella Linnaeus, 1758 (basis of record)
Helicella A. Férussac, 1821 (basis of record)
Hero Alder & Hancock, 1855 (additional source)
Heteranomia Winckworth, 1922 (additional source)
Idasola Iredale, 1915 accepted as Idas Jeffreys, 1876 (basis of record)
Irus F. C. Schmidt, 1818 (additional source)
Ischnochiton (Stenosemus) Middendorff, 1847 accepted as Stenosemus Middendorff, 1847 (basis of record)
Ischnochitonidae Dall, 1889 (basis of record)
Ischnochitoninae Dall, 1889 (basis of record)
Lepeta Gray, 1842 (additional source)
Lepetidae Gray, 1850 (basis of record)
Lepidopleurida (basis of record)
Leptaxinus A. E. Verrill & K. J. Bush, 1898 (basis of record)
Leptochitoninae Dall, 1889 accepted as Leptochitonidae Dall, 1889 (basis of record)
Lepton W. Turton, 1822 (additional source)
Leptonidae Gray, 1847 accepted as Lasaeidae J. E. Gray, 1842 (basis of record)
Leucophytia Winckworth, 1949 (basis of record)
Lima Bruguière, 1797 (additional source)
Limaria Link, 1807 (additional source)
Limea Bronn, 1831 (additional source)
Limida (basis of record)
Liomesus W. Stimpson, 1865 (additional source)
Loligo Lamarck, 1798 (additional source)
Loripes Poli, 1791 (additional source)
Lottiidae Gray, 1840 (basis of record)
Lutrariinae Gray, 1853 (basis of record)
Mactra Linnaeus, 1767 (additional source)
Mangelia (Cytharella) Monterosato, 1875 accepted as Mangelia Risso, 1826 (additional source)
Menestho Møller, 1842 (additional source)
Mesodesmatidae J. E. Gray, 1840 (basis of record)
Microhedylidae Odhner, 1937 accepted as Parhedylidae Thiele, 1931 (basis of record)
Micromenia Leloup, 1948 (additional source)
Modiolula Sacco, 1898 (additional source)
Modiolus Lamarck, 1799 (additional source)
Montacuta W. Turton, 1822 (additional source)
Musculus costulatus (Risso, 1826) (additional source)
Mya Linnaeus, 1758 (additional source)
Myina represented as Myida (basis of record)
Mysia Lamarck, 1818 (additional source)
Naticoidea Guilding, 1834 (basis of record)
Neomenia Tullberg, 1875 (additional source)
Notaspidea accepted as Pleurobranchomorpha accepted as Pleurobranchida (basis of record)
Obtusella Cossmann, 1921 (additional source)

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