Actinostola callosa (Verrill, 1882) (additional source)
Aega psora (Linnaeus, 1758) (additional source)
Agalma elegans (M. Sars, 1846) (additional source)
Alvania areolata (W. Stimpson, 1851) accepted as Tachyrhynchus reticulatus (Mighels & C. B. Adams, 1842) (additional source)
Amaroucium stellatum Verrill, 1871 accepted as Aplidium stellatum (Verrill, 1871) (additional source)
Ampharete acutifrons (Grube, 1860) (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) (additional source)
Anomia simplex A. d'Orbigny, 1853 (additional source)
Aporrhais occidentalis (H. Beck, 1836) accepted as Arrhoges occidentalis (H. Beck, 1836) (additional source)
Astarte undata A. Gould, 1841 (additional source)
Asterias forbesi (Desor, 1848) (additional source)
Aurelia aurita (Linnaeus, 1758) (additional source)
Aurelia limbata Brandt, 1835 (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) (additional source)
Caberea ellisii (Fleming, 1814) (additional source)
Cerataulina pelagica (Cleve) Hendey, 1937 accepted as Cerataulina bergonii Ostenfeld, 1903 (additional source)
Cerebratulus lacteus (Leidy, 1851) (additional source)
Cerianthus borealis Verrill, 1873 accepted as Pachycerianthus borealis (Verrill, 1873) (additional source)
Chaetoceros socialis H.S.Lauder, 1864 (additional source)
Chaetoceros willei Gran, 1897 (basis of record)
Clytia gracilis (M. Sars, 1851) (additional source)
Colus pubescens (A. E. Verrill, 1882) (additional source)
Colus pygmaeus (A. Gould, 1841) (additional source)
Coscinodiscus eccentricus Ehrenberg, 1840 † (additional source)
Cossura longocirrata Webster & Benedict, 1887 (additional source)
Crisia eburnea (Linnaeus, 1758) (additional source)
Crossaster papposus (Linnaeus, 1767) (additional source)
Ctenodiscus crispatus (Bruzelius, 1805) (additional source)
Cuspidaria glacialis (G. O. Sars, 1878) (additional source)
Cyanea capillata (Linnaeus, 1758) (additional source)
Cystophora cristata (Erxleben, 1777) (additional source)
Dendrobeania murrayana (Bean in Johnston, 1847) (additional source)
Dicoryne flexuosa Sars, 1874 accepted as Dicoryne conferta (Alder, 1856) (additional source)
Didemnum albidum (Verrill, 1871) (additional source)
Ditylum brightwellii (T.West) Grunow, 1885 (additional source)
Drifa glomerata (Verrill, 1869) (additional source)
Duva florida (Rathke, 1806) (additional source)
Edwardsia elegans Verrill, 1869 (additional source)
Euchaeta marina (Prestandrea, 1833) (additional source)
Euchone rubrocincta (Sars, 1862) (additional source)
Eucratea loricata (Linnaeus, 1758) (additional source)
Eudendrium insigne Hincks, 1861 accepted as Eudendrium ramosum (Linnaeus, 1758) (additional source)
Eudorella truncatula (Bate, 1856) (additional source)
Eukrohnia hamata (Möbius, 1875) (additional source)
Euphysa aurata Forbes, 1848 (additional source)
Eurycope mutica G. O. Sars, 1864 accepted as Baeonectes muticus (G. O. Sars, 1864) (additional source)
Fritillaria borealis Lohmann, 1896 (additional source)
Gorgonocephalus arcticus Leach, 1819 (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)
Hippasteria phrygiana (Parelius, 1768) (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)
Hyperia galba (Montagu, 1813) (additional source)
Iasis zonaria (Pallas, 1774) accepted as Soestia zonaria (Pallas, 1774) (additional source)
Laonice cirrata (M. Sars, 1851) (additional source)
Lensia conoidea (Keferstein & Ehlers, 1860) (additional source)
Lepidopleurus cancellatus (G. B. Sowerby II, 1840) accepted as Leptochiton cancellatus (G. B. Sowerby II, 1840) (additional source)
Leptasterias tenera (Stimpson, 1862) (additional source)
Leptocylindrus minimus Gran, 1915 (additional source)
Meganyctiphanes norvegica (M. Sars, 1857) (additional source)
Melicertum octocostatum (M. Sars, 1835) (additional source)
Melinna cristata (M. Sars, 1851) (additional source)
Mertensia ovum (Fabricius, 1780) (additional source)
Metridium senile (Linnaeus, 1761) (additional source)
Microsetella rosea (Dana, 1847) (additional source)
Mitrella dissimilis (W. Stimpson, 1851) accepted as Astyris lunata (Say, 1826) (basis of record)
Mitrella lunata (Say, 1826) accepted as Astyris lunata (Say, 1826) (additional source)
Molgula arenata Stimpson, 1852 (additional source)
Molgula manhattensis (De Kay, 1843) (additional source)
Molgula retortiformis Verrill, 1871 (additional source)
Myriochele heeri Malmgren, 1867 (additional source)
Nannocalanus minor (Claus, 1863) (additional source)
Nemertesia antennina (Linnaeus, 1758) (additional source)
Nicolea venustula (Montagu, 1819) (additional source)
Nitzschia closterium (Ehrenberg) W.Smith, 1853 (additional source)
Nitzschia seriata Cleve, 1883 accepted as Pseudo-nitzschia seriata (Cleve) H.Peragallo, 1899 (additional source)
Oenopota bicarinata (Couthouy, 1838) accepted as Curtitoma violacea (Mighels & C. B. Adams, 1842) (additional source)
Oenopota pyramidalis (Strøm, 1788) (additional source)
Oenopota turricula (Montagu, 1803) accepted as Propebela turricula (Montagu, 1803) (additional source)
Oikopleura (Vexillaria) labradoriensis Lohmann, 1892 (additional source)
Oithona plumifera Baird, 1843 (additional source)
Oithona similis Claus, 1866 (additional source)
Onoba pelagica (W. Stimpson, 1851) accepted as Frigidoalvania carinata (Mighels & C. B. Adams, 1842) (basis of record)
Ophiacantha bidentata (Bruzelius, 1805) (additional source)
Ophiopholis aculeata (Linnaeus, 1767) (additional source)
Ophiura robusta (Ayres, 1852) (additional source)
Ophiura sarsii Lütken, 1855 (additional source)
Owenia fusiformis Delle Chiaje, 1844 (additional source)
Parasagitta elegans (Verrill, 1873) (additional source)
Pelagia noctiluca (Forsskål, 1775) (additional source)
Phascolion strombi (Montagu, 1804) accepted as Phascolion (Phascolion) strombus strombus (Montagu, 1804) (additional source)
Pherusa plumosa (Müller, 1776) (additional source)
Physalia physalis (Linnaeus, 1758) (additional source)