Actinostola callosa (Verrill, 1882) (additional source)
Aega psora (Linnaeus, 1758) (additional source)
Alvania areolata (W. Stimpson, 1851) accepted as Tachyrhynchus reticulatus (Mighels & C. B. Adams, 1842) (additional source)
Ampharete acutifrons (Grube, 1860) (additional source)
Amphicteis gunneri (M. Sars, 1835) (additional source)
Amphipholis squamata (Delle Chiaje, 1828) (additional source)
Anobothrus gracilis (Malmgren, 1866) (additional source)
Anomia aculeata O. F. Müller, 1776 accepted as Heteranomia squamula (Linnaeus, 1758) (basis of record)
Anomia simplex A. d'Orbigny, 1853 (basis of record)
Aporrhais occidentalis (H. Beck, 1836) accepted as Arrhoges occidentalis (H. Beck, 1836) (additional source)
Astarte subaequilatera G. B. Sowerby II, 1854 (basis of record)
Astarte undata A. Gould, 1841 (additional source)
Atolla wyvillei Haeckel, 1880 (additional source)
Aurelia aurita (Linnaeus, 1758) (additional source)
Bolinopsis infundibulum (O.F. Müller, 1776) (additional source)
Boltenia ovifera (Linnaeus, 1767) (additional source)
Bopyroides hippolytes (Kröyer, 1838) (additional source)
Bostrichobranchus pilularis (Verrill, 1871) (basis of record)
Caberea ellisii (Fleming, 1814) (additional source)
Cardita borealis Conrad, 1832 accepted as Cyclocardia borealis (Conrad, 1832) (basis of record)
Ceramaster granularis (Retzius, 1783) (additional source)
Cerebratulus lacteus (Leidy, 1851) (additional source)
Cerianthus borealis Verrill, 1873 accepted as Pachycerianthus borealis (Verrill, 1873) (additional source)
Clione limacina (Phipps, 1774) (additional source)
Colus pubescens (A. E. Verrill, 1882) (additional source)
Colus pygmaeus (A. Gould, 1841) (additional source)
Colus stimpsoni (Mörch, 1868) (additional source)
Cossura longocirrata Webster & Benedict, 1887 (additional source)
Crisia eburnea (Linnaeus, 1758) (additional source)
Cuspidaria glacialis (G. O. Sars, 1878) (additional source)
Cyanea capillata (Linnaeus, 1758) (additional source)
Dendrobeania murrayana (Bean in Johnston, 1847) (additional source)
Didemnum albidum (Verrill, 1871) (additional source)
Drifa glomerata (Verrill, 1869) (additional source)
Edwardsia elegans Verrill, 1869 (additional source)
Epizoanthus incrustatus Düben & Koren, 1847 accepted as Epizoanthus papillosus Johnston, 1842 (additional source)
Euchone rubrocincta (Sars, 1862) (additional source)
Eucratea loricata (Linnaeus, 1758) (additional source)
Eudorella truncatula (Bate, 1856) (additional source)
Halcampa duodecimcirrata (Sars, 1851) (additional source)
Halocynthia pyriformis (Rathke, 1806) (additional source)
Hanleya mendicaria (Mighels & C. B. Adams, 1842) accepted as Hanleya hanleyi (W. Bean, 1844) (additional source)
Hemiarthrus abdominalis (Krøyer, 1840) (additional source)
Hippothoa hyalina (Linnaeus, 1767) accepted as Celleporella hyalina (Linnaeus, 1767) (additional source)
Hyale prevosti (H. Milne Edwards, 1830) accepted as Apohyale prevostii (H. Milne Edwards, 1830) (additional source)
Lafoea gracillima (Alder, 1856) accepted as Lafoea dumosa (Fleming, 1820) (additional source)
Laonice cirrata (M. Sars, 1851) (additional source)
Lepidopleurus cancellatus (G. B. Sowerby II, 1840) accepted as Leptochiton cancellatus (G. B. Sowerby II, 1840) (additional source)
Melinna cristata (M. Sars, 1851) (additional source)
Melonanchora elliptica Carter, 1874 (additional source)
Mertensia ovum (Fabricius, 1780) (additional source)
Metridium senile (Linnaeus, 1761) (additional source)
Mitrella lunata (Say, 1826) accepted as Astyris lunata (Say, 1826) (additional source)
Molgula retortiformis Verrill, 1871 (additional source)
Myriochele heeri Malmgren, 1867 (additional source)
Mysella planulata (W. Stimpson, 1851) accepted as Kurtiella planulata (W. Stimpson, 1851) (additional source)
Myxilla fimbriata (Bowerbank, 1866) represented as Myxilla (Myxilla) fimbriata (Bowerbank, 1866) (additional source)
Nephasoma (Nephasoma) eremita (Sars, 1851) (additional source)
Nicolea zostericola Örsted, 1844 (additional source)
Ophiomusium lymani Wyville-Thomson, 1873 accepted as Ophiomusa lymani (Wyville Thomson, 1873) (additional source)
Ophiopholis aculeata (Linnaeus, 1767) (additional source)
Owenia fusiformis Delle Chiaje, 1844 (additional source)
Periphylla periphylla (Péron & Lesueur, 1810) (additional source)
Petalosarsia declivis (Sars, 1865) (additional source)
Phascolion strombi (Montagu, 1804) accepted as Phascolion (Phascolion) strombus strombus (Montagu, 1804) (additional source)
Pherusa plumosa (Müller, 1776) (additional source)
Pitar morrhuanus (Dall, 1902) accepted as Agriopoma morrhuanum (Dall, 1902) (additional source)
Placopecten magellanicus (Gmelin, 1791) (additional source)
Pleurobrachia pileus (O. F. Müller, 1776) (additional source)
Polycarpa fibrosa (Stimpson, 1852) (additional source)
Polycirrus medusa Grube, 1850 (additional source)
Polyphysia crassa (Örsted, 1843) (additional source)
Pontaster tenuispinus (Düben & Koren, 1846) (additional source)
Praxillella praetermissa (Malmgren, 1865) (additional source)
Prionospio steenstrupi Malmgren, 1867 (additional source)
Prosuberites epiphytum sensu Topsent, 1900 accepted as Protosuberites denhartogi van Soest & de Kluijver, 2003 (additional source)
Scalibregma inflatum Rathke, 1843 (additional source)
Strongylocentrotus droebachiensis (O.F. Müller, 1776) (additional source)
Tedania suctoria Schmidt, 1870 represented as Tedania (Tedania) suctoria Schmidt, 1870 (additional source)
Thyasira gouldii (R. A. Philippi, 1845) (additional source)
Triticella pedicellata (Alder, 1857) (additional source)
Turbonilla bushiana A. E. Verrill, 1882 (additional source)
Turtonia minuta (O. Fabricius, 1780) (additional source)
Urticina felina (Linnaeus, 1761) (additional source)
Yoldia thraciaeformis (Storer, 1838) accepted as Megayoldia thraciaeformis (Storer, 1838) (additional source)