| Full Current Name |
| Testudinalia testudinalis (O. F. Müller, 1776) |
| Lottia alveus (Conrad, 1831) |
| Margarites ornatus (De Kay, 1843) [Dubious name] |
| Bittiolum alternatum (Say, 1822) |
| Vermicularia radicula (Stimpson, 1851) |
| Littorina littorea (Linnaeus, 1758) |
| Lacuna vincta (Montagu, 1803) |
| Littorina saxatilis (Olivi, 1792) |
| Littorina obtusata (Linnaeus, 1758) |
| Littoraria irrorata (Say, 1822) |
| Assiminea succinea (Pfeiffer, 1840) |
| Caecum pulchellum Stimpson, 1851 |
| Caecum cooperi S. Smith, 1860 |
| Littoridinops tenuipes (Couper, 1844) |
| Hydrobia truncata (Vanatta, 1924) |
| Circulus liratus (A. E. Verrill, 1882) |
| Crepidula convexa Say, 1822 |
| Crepidula plana Say, 1822 |
| Crucibulum striatum (Say, 1826) |
| Crepidula fornicata (Linnaeus, 1758) |
| Neverita duplicata (Say, 1822) |
| Euspira triseriata (Say, 1826) |
| Tectonatica pusilla (Say, 1822) |
| Euspira heros (Say, 1822) |
| Euspira immaculata (Totten, 1835) |
| Epitonium angulatum (Say, 1831) |
| Epitonium greenlandicum (G. Perry, 1811) |
| Epitonium humphreysii (Kiener, 1838) |
| Epitonium championi Clench & Turner, 1952 |
| Epitonium multistriatum (Say, 1826) |
| Epitonium rupicola (Kurtz, 1860) |
| Retilaskeya emersonii (C. B. Adams, 1839) |
| Cerithiopsis greenii (C. B. Adams, 1839) |
| Seila adamsii (H. C. Lea, 1845) |
| Marshallora nigrocincta (C. B. Adams, 1839) |
| Eupleura caudata (Say, 1822) |
| Urosalpinx cinerea (Say, 1822) |
| Nucella lapillus (Linnaeus, 1758) |
| Astyris lunata (Say, 1826) |
| Costoanachis translirata (Ravenel, 1861) |
| Costoanachis avara (Say, 1822) |
| Colus islandicus (Mohr, 1786) |
| Buccinum undatum Linnaeus, 1758 |
| Colus stimpsoni (Mörch, 1868) |
| Colus pygmaeus (Gould, 1841) |
| Busycon carica (Gmelin, 1791) |
| Busycotypus canaliculatus (Linnaeus, 1758) |
| Nassarius vibex (Say, 1822) |
| Ilyanassa obsoleta (Say, 1822) |
| Ilyanassa trivittata (Say, 1822) |
| Curtitoma violacea (Mighels & Adams, 1842) |
| Pyrgocythara plicosa (C. B. Adams, 1850) |
| Kurtziella cerina (Kurtz & Stimpson, 1851) |
| Turbonilla interrupta (Totten, 1835) |
| Turbonilla nivea (Stimpson, 1851) |
| Boonea seminuda (C. B. Adams, 1839) |
| Boonea bisuturalis (Say, 1822) |
| Sayella fusca (C. B. Adams, 1839) |
| Syrnola producta (C. B. Adams, 1840) |
| Japonactaeon punctostriatus (C. B. Adams, 1840) |
| Haminoea solitaria (Say, 1822) |
| Acteocina canaliculata (Say, 1826) |
| Aplysia fasciata Poiret, 1789 |
| Elysia chlorotica Gould, 1870 |
| Hermaea cruciata Gould, 1870 |
| Ercolania fuscata (Gould, 1870) |
| Limacina bulimoides (d'Orbigny, 1834) |
| Clione limacina limacina (Phipps, 1774) |
| Corambe obscura A. E. Verrill, 1870 |
| Polycerella emertoni A. E. Verrill, 1880 |
| Doto coronata (Gmelin, 1791) |
| Flabellina verrucosa (M. Sars, 1829) |
| Cratena pilata (Gould, 1870) |
| Filurus dubius De Kay, 1843 [Not molluscan] |
| Tergipes tergipes (Forsskål, 1775) |
| Tenellia fuscata (Gould, 1870) |
| Myosotella myosotis (Draparnaud, 1801) |
| Melampus bidentatus Say, 1822 |
| Solemya velum Say, 1822 |
| Nucula proxima Say, 1822 |
| Yoldia sapotilla (Gould, 1841) |
| Yoldia limatula (Say, 1831) |
| Lunarca ovalis (Bruguière, 1789) |
| Geukensia demissa (Dillwyn, 1817) |
| Modiolus modiolus (Linnaeus, 1758) |
| Mytilus edulis Linnaeus, 1758 |
| Crassostrea virginica (Gmelin, 1791) |
| Anomia simplex d'Orbigny, 1853 |
| Anomia squamula Linnaeus, 1758 |
| Placopecten magellanicus (Gmelin, 1791) |
| Argopecten irradians irradians (Lamarck, 1819) |
| Cyclopecten imbrifer (Lovén, 1846) |
| Astarte crenata (Gray, 1824) |
| Astarte castanea (Say, 1822) |
| Astarte undata Gould, 1841 |
| Cyclocardia borealis (Conrad, 1832) |
| Crassinella lunulata (Conrad, 1834) |
| Divalinga quadrisulcata (d'Orbigny, 1846) |
| Aligena elevata (Stimpson, 1851) |
| Mysella planulata (Stimpson, 1851) |
| Goethemia pinnulata (Conrad, 1831) |
| Laevicardium mortoni (Conrad, 1831) |
| Spisula solidissima (Dillwyn, 1817) |
| Mulinia lateralis (Say, 1822) |
| Mesodesma arctatum (Conrad, 1831) |
| Siliqua costata (Say, 1822) |
| Ensis americanus (Gould, 1870) |
| Donax fossor Say, 1822 |
| Tagelus plebeius (Lightfoot, 1786) |
| Cumingia tellinoides (Conrad, 1831) |
| Macoma tenta (Say, 1834) |
| Macoma petalum (Valenciennes, 1821) |
| Angulus versicolor (De Kay, 1843) |
| Angulus agilis (Stimpson, 1857) |
| Arctica islandica (Linnaeus, 1767) |
| Mytilopsis leucophaeata (Conrad, 1831) |
| Petricolaria pholadiformis (Lamarck, 1818) |
| Pitar morrhuanus (Dall, 1902) |
| Gemma gemma (Totten, 1834) |
| Mercenaria mercenaria (Linnaeus, 1758) |
| Caryocorbula contracta (Say, 1822) |
| Mya arenaria Linnaeus, 1758 |
| Hiatella arctica (Linnaeus, 1767) |
| Cyrtopleura costata (Linnaeus, 1758) |
| Barnea truncata (Say, 1822) |
| Xylophaga atlantica Richards, 1942 |
| Zirfaea crispata (Linnaeus, 1758) |
| Teredo navalis Linnaeus, 1758 |
| Lyonsia hyalina (Conrad, 1831) |
| Pandora gouldiana Dall, 1886 |
| Periploma leanum (Conrad, 1831) |
| Periploma papyratium (Say, 1822) |
| Thracia conradi Couthouy, 1839 |
| Chaetopleura apiculata (Say, 1830) |
