Abietinaria abietina (Linnaeus, 1758) (additional source)
Abietinaria filicula (Ellis & Solander, 1786) (additional source)
Acaulis primarius Stimpson, 1853 (additional source)
Achelia spinosa (Stimpson, 1853) (additional source)
Aequorea albida A. Agassiz, 1862 (additional source)
Agalma elegans (M. Sars, 1846) (additional source)
Anaperus gardineri (Graff, 1911) accepted as Thalassoanaperus gardineri (Graff, 1911) (basis of record)
Anoplodactylus lentus Wilson, 1878 (additional source)
Aphanostoma sanguineum Beklemischev, 1915 accepted as Pseudactinoposthia sanguineum (Beklemischev, 1915) (basis of record)
Aplidium glabrum (Verrill, 1871) (additional source)
Aplidium pallidum (Verrill, 1871) (additional source)
Ascidia callosa Stimpson, 1852 (additional source)
Ascidia prunum Müller, 1776 (additional source)
Aulactinia stella (Verrill, 1864) (additional source)
Aurelia aurita (Linnaeus, 1758) (additional source)
Bolinopsis infundibulum (O.F. Müller, 1776) (additional source)
Boltenia echinata (Linnaeus, 1767) (additional source)
Boltenia ovifera (Linnaeus, 1767) (additional source)
Bostrichobranchus pilularis (Verrill, 1871) (additional source)
Botryllus schlosseri (Pallas, 1766) (additional source)
Bougainvillia superciliaris (L. Agassiz, 1849) (additional source)
Calycella syringa (Linnaeus, 1767) (additional source)
Campanularia groenlandica Levinsen, 1893 (additional source)
Campanularia volubilis (Linnaeus, 1758) (additional source)
Candelabrum phrygium (Fabricius, 1780) (additional source)
Catablema vesicarium (A. Agassiz, 1862) (additional source)
Ciona intestinalis (Linnaeus, 1767) (additional source)
Clava multicornis (Forsskål, 1775) (additional source)
Clytia hemisphaerica (Linnaeus, 1767) (additional source)
Cnemidocarpa mollis (Stimpson, 1852) (additional source)
Conaperta hortulus Hooge & Tyler, 2003 accepted as Isodiametra hortulus (Hooge & Tyler, 2003) accepted as Praeconvoluta hortulus (Hooge & Tyler, 2003) (basis of record)
Corymorpha pendula L. Agassiz, 1862 (additional source)
Craterolophus convolvulus (Johnston, 1835) (additional source)
Cyanea capillata (Linnaeus, 1758) (additional source)
Dendrodoa carnea (Agassiz, 1850) (additional source)
Dendrodoa grossularia (Van Beneden, 1846) (additional source)
Dendrodoa pulchella (Rathke, 1806) (additional source)
Didemnum albidum (Verrill, 1871) (additional source)
Diphasia fallax (Johnston, 1847) (additional source)
Diphasia pinastrum (Cuvier, 1830) accepted as Diphasia margareta (Hassall, 1841) (additional source)
Distaplia clavata (Sars, 1851) (additional source)
Dynamena pumila (Linnaeus, 1758) (additional source)
Ectopleura crocea (Agassiz, 1862) (additional source)
Ectopleura larynx (Ellis & Solander, 1786) (additional source)
Edwardsia sipunculoides (Stimpson, 1853) (additional source)
Eudendrium capillare Alder, 1856 (additional source)
Eudendrium cochleatum Allman, 1877 (basis of record)
Eudendrium dispar L. Agassiz, 1862 (additional source)
Eudendrium ramosum Van Beneden, 1844 accepted as Bougainvillia muscus (Allman, 1863) (additional source)
Gersemia rubiformis (Ehrenberg, 1834) (additional source)
Gonionemus vertens A. Agassiz, 1862 (additional source)
Halcampa duodecimcirrata (Sars, 1851) (additional source)
Halecium beanii (Johnston, 1838) (additional source)
Halecium halecium (Linnaeus, 1758) accepted as Halecium halecinum (Linnaeus, 1758) (additional source)
Halecium muricatum (Ellis & Solander, 1786) (additional source)
Halecium sessile Norman, 1867 (additional source)
Haliclystus auricula James-Clark, 1863 (additional source)
Haliclystus octoradiatus James-Clark, 1863 (additional source)
Haliclystus salpinx James-Clark, 1863 (additional source)
Haliplanella lineata (Verrill, 1869) accepted as Diadumene lineata (Verrill, 1869) (additional source)
Halocynthia pyriformis (Rathke, 1806) (additional source)
Hydractinia americana (Mayer, 1910) accepted as Podocoryna americana (Mayer, 1910) (additional source)
Hydractinia borealis (Mayer, 1900) accepted as Podocoryna borealis (Mayer, 1900) (additional source)
Hydractinia echinata (Fleming, 1828) (additional source)
Hydractinia polyclina L. Agassiz, 1860 (additional source)
Hydrallmania falcata (Linnaeus, 1758) (additional source)
Lafoea dumosa (Fleming, 1820) (additional source)
Laomedea flexuosa Alder, 1857 (additional source)
Leuckartiara octona (Fleming, 1823) (additional source)
Lissoclinum aureum Verrill, 1871 (additional source)
Lucernaria quadricornis O. F. Müller, 1776 (additional source)
Lytocarpia myriophyllum (Linnaeus, 1758) (additional source)
Melicertum octocostatum (M. Sars, 1835) (additional source)
Mertensia ovum (Fabricius, 1780) (additional source)
Metridium senile (Linnaeus, 1761) (additional source)
Molgula arenata Stimpson, 1852 (additional source)
Molgula citrina Alder & Hancock, 1848 (additional source)
Molgula complanata Alder & Hancock, 1870 (additional source)
Molgula manhattensis (De Kay, 1843) (additional source)
Molgula retortiformis Verrill, 1871 (additional source)
Molgula siphonalis Kiaer, 1896 (additional source)
Nanomia cara Agassiz, 1865 (additional source)
Nemertesia americana (Nutting, 1900) (additional source)
Nymphon grossipes (Fabricius, 1780) (additional source)
Nymphon hirtipes Bell, 1855 (additional source)
Nymphon longitarse Krøyer, 1844 (additional source)
Nymphon stroemi Krøyer, 1844 (additional source)
Obelia geniculata (Linnaeus, 1758) (additional source)
Obelia longissima (Pallas, 1766) (additional source)
Otocelis sandara Hooge & Tyler, 2003 (basis of record)
Parasagitta elegans (Verrill, 1873) (additional source)
Phacellophora camtschatica Brandt, 1835 (additional source)
Philocelis brueggemanni Hooge & Tyler, 2003 (basis of record)
Phoxichilidium femoratum (Rathke, 1799) (additional source)
Pleurobrachia pileus (O. F. Müller, 1776) (additional source)
Polycarpa fibrosa (Stimpson, 1852) (additional source)
Polydora ciliata (Johnston, 1838) (additional source)
Praeaphanostoma wadsworthi Hooge & Tyler, 2003 (basis of record)
Praeconvoluta tigrina Hooge & Tyler, 2003 (basis of record)
Praeconvoluta tornuva Tyler & Hooge, 1999 (basis of record)