Aartsenia candida (Møller, 1842) (additional source)
Aligena elevata (W. Stimpson, 1851) accepted as Kelliopsis elevata (W. Stimpson, 1851) (basis of record)
Alvania moerchii (Collin, 1886) (additional source)
Alvania pseudoareolata Warén, 1974 (additional source)
Alvania verrilli (Friele, 1886) (additional source)
Amauropsis islandica (Gmelin, 1791) (additional source)
Amicula vestita (Broderip & G. B. Sowerby I, 1829) (basis of record)
Antalis entale stimpsoni (J. B. Henderson, 1920) accepted as Antalis entale (Linnaeus, 1758) accepted as Antalis entalis (Linnaeus, 1758) (additional source)
Antalis occidentale (W. Stimpson, 1851) accepted as Antalis occidentalis (W. Stimpson, 1851) (additional source)
Aquilonaria turneri Dall, 1886 accepted as Lacuna turneri (Dall, 1886) (basis of record)
Astarte arctica (J. E. Gray, 1824) accepted as Tridonta arctica (J. E. Gray, 1824) (additional source)
Astarte castanea (Say, 1822) accepted as Isocrassina castanea (Say, 1822) (additional source)
Astarte elliptica (T. Brown, 1827) accepted as Tridonta elliptica (T. Brown, 1827) (additional source)
Astarte montagui (Dillwyn, 1817) accepted as Tridonta montagui (Dillwyn, 1817) (additional source)
Astyris lunata (Say, 1826) (additional source)
Axinopsida orbiculata (G. O. Sars, 1878) (additional source)
Bathyarca glacialis (J. E. Gray, 1824) (additional source)
Beringius behringii (Middendorff, 1848) (basis of record)
Beringius ossiani [sic] accepted as Beringius ossiania (Friele, 1879) accepted as Beringius turtoni (W. Bean, 1834) (basis of record)
Bittiolum alternatum (Say, 1822) (basis of record)
Boreocingula globulus (Møller, 1842) (basis of record)
Buccinum ciliatum (O. Fabricius, 1780) (additional source)
Buccinum cyaneum cyaneum Bruguière, 1789 accepted as Buccinum cyaneum Bruguière, 1789 (basis of record)
Buccinum cyaneum var. patula G. O. Sars, 1878 accepted as Buccinum cyaneum Bruguière, 1789 (basis of record)
Buccinum glaciale Linnaeus, 1761 (additional source)
Buccinum hydrophanum Hancock, 1846 (additional source)
Buccinum plectrum W. Stimpson, 1865 (basis of record)
Buccinum scalariforme Møller, 1842 (additional source)
Buccinum tottenii W. Stimpson, 1865 (additional source)
Bulbus fragilis (Leach, 1819) (basis of record)
Calliostoma occidentale (Mighels & C. B. Adams, 1842) (additional source)
Cerastoderma elegantulum (Møller, 1842) accepted as Goethemia elegantula (Møller, 1842) (basis of record)
Cerithiopsis greenii (C. B. Adams, 1839) (basis of record)
Colus cretaceus (Reeve, 1847) accepted as Plicifusus kroyeri (Møller, 1842) (basis of record)
Colus islandicus (Mohr, 1786) (additional source)
Colus kroeyeri (Møller, 1842) accepted as Plicifusus kroyeri (Møller, 1842) (additional source)
Colus latericeus (Møller, 1842) accepted as Retifusus latericeus (Møller, 1842) (additional source)
Corbula contracta Say, 1822 accepted as Caryocorbula contracta (Say, 1822) (basis of record)
Couthouyella striatula (Couthouy, 1838) (additional source)
Crassostrea virginica (Gmelin, 1791) (additional source)
Cratena pilata (A. Gould, 1870) (basis of record)
Crenella faba (O. F. Müller, 1776) accepted as Arvella faba (O. F. Müller, 1776) (basis of record)
Crenella pectinula (A. Gould, 1841) accepted as Arvella pectinula (A. Gould, 1841) (basis of record)
Crepidula convexa Say, 1822 (basis of record)
Crepidula plana Say, 1822 (additional source)
Cryptonatica affinis (Gmelin, 1791) (additional source)
Cumingia tellinoides (Conrad, 1831) accepted as Cumingia sinuosa A. Adams, 1850 (basis of record)
Curtitoma hebes (A. E. Verrill, 1880) (basis of record)
Curtitoma incisula (A. E. Verrill, 1882) (basis of record)
Cuspidaria arctica (M. Sars, 1859) (additional source)
Cuspidaria glacialis (G. O. Sars, 1878) (additional source)
Cuspidaria obesa (Lovén, 1846) (additional source)
Cuspidaria pellucida (W. Stimpson, 1853) (basis of record)
Cuspidaria subtorta (G. O. Sars, 1878) (additional source)
Cyclocardia borealis (Conrad, 1832) (basis of record)
Cyclopecten greenlandicus (G. B. Sowerby II, 1842) accepted as Similipecten greenlandicus (G. B. Sowerby II, 1842) (basis of record)
Doto formosa A. E. Verrill, 1875 (basis of record)
Elachisina globuloides (Warén, 1972) (additional source)
Elysia catulus (A. Gould, 1870) (additional source)
Ennucula bellotii (A. Adams, 1856) accepted as Ennucula tenuis (Montagu, 1808) (basis of record)
Erginus rubellus (O. Fabricius, 1780) (additional source)
Euspira immaculata (Totten, 1835) accepted as Polinices immaculatus (Totten, 1835) (basis of record)
Euspira nana (Møller, 1842) accepted as Pseudopolinices nanus (Møller, 1842) (basis of record)
Facelina bostoniensis (Couthouy, 1838) (additional source)
Frigidoalvania janmayeni (Friele, 1878) (additional source)
Frigidoalvania pelagica (W. Stimpson, 1851) accepted as Frigidoalvania carinata (Mighels & C. B. Adams, 1842) (basis of record)
Geukensia demissa (Dillwyn, 1817) (basis of record)
Gonatus fabricii (Lichtenstein, 1818) (additional source)
Haliella stenostoma (Jeffreys, 1858) (additional source)
Ischnochiton exaratus (G. O. Sars, 1878) accepted as Stenosemus exaratus (G. O. Sars, 1878) (additional source)
Liostomia eburnea (W. Stimpson, 1851) (additional source)
Lottia alveus (Conrad, 1831) (additional source)
Lyonsia hyalina (Conrad, 1831) (additional source)
Macoma crassula (Deshayes, 1855) (additional source)
Macoma loveni (A. S. Jensen, 1905) (basis of record)
Macoma moesta (Deshayes, 1855) (basis of record)
Macoma tenta (Say, 1834) accepted as Macoploma tenta (Say, 1838) (basis of record)
Mactromeris polynyma (W. Stimpson, 1860) (basis of record)
Marshallora nigrocincta (C. B. Adams, 1839) (basis of record)
Megayoldia thraciaeformis (Storer, 1838) (additional source)
Melampus bidentatus Say, 1822 (basis of record)
Mendicula pygmaeus (A. E. Verrill & K. J. Bush, 1898) accepted as Mendicula pygmaea (A. E. Verrill & K. J. Bush, 1898) (basis of record)
Mesodesma arctatum (Conrad, 1831) (basis of record)
Mesodesma deauratum (W. Turton, 1822) (basis of record)
Moelleria costulata (Møller, 1842) (additional source)
Mulinia lateralis (Say, 1822) (basis of record)
Musculus corrugatus (W. Stimpson, 1851) accepted as Musculus glacialis (Leche, 1883) (additional source)
Mytilus trossulus A. Gould, 1850 (additional source)
Nassarius obsoletus (Say, 1822) accepted as Ilyanassa obsoleta (Say, 1822) (basis of record)
Nototeredo norvagicus [sic] accepted as Nototeredo norvagica (Spengler, 1792) (basis of record)
Nuculana minuta (O. F. Müller, 1776) (additional source)
Nuculana pernula (O. F. Müller, 1779) (additional source)
Nuculana tenuisulcata (Couthouy, 1838) (basis of record)
Obesotoma simplex (Middendorf, 1849) (additional source)
Obesotoma woodiana (Møller, 1842) (additional source)
Odostomia (Boonea) bisuturalis (Say, 1822) accepted as Boonea bisuturalis (Say, 1822) (additional source)
Odostomia (Boonea) seminuda (C. B. Adams, 1839) represented as Boonea seminuda (C. B. Adams, 1839) (additional source)
Odostomia trifida (Totten, 1834) accepted as Boonea trifida (Totten, 1834) accepted as Boonea bisuturalis (Say, 1822) (basis of record)
Oenopota cancellata (Mighels & C. B. Adams, 1842) accepted as Propebela cancellata (Mighels & C. B. Adams, 1842) (additional source)
Oenopota elegans (Møller, 1842) (additional source)