Abyssoninoe Orensanz, 1990 (additional source)
Actinia Linnaeus, 1767 (additional source)
Aglaophenia Lamouroux, 1812 (additional source)
Amphilepis Ljungman, 1867 (additional source)
Amphilepis norvegica (Ljungman, 1865) (additional source)
Amphipholis Ljungman, 1866 (additional source)
Amphipholis januarii Ljungman, 1866 (basis of record)
Amphipholis squamata (Delle Chiaje, 1828) (additional source)
Amphipholis torelli Ljungman, 1872 (additional source)
Amphiura (Ophiopeltis) securigera (Düben & Koren, 1846) (additional source)
Amphiura borealis (G.O. Sars, 1872) (additional source)
Amphiura chiajei Forbes, 1843 (additional source)
Amphiura filiformis (O.F. Müller, 1776) (additional source)
Amphiura fragilis Verrill, 1885 (additional source)
Amphiura griegi Mortensen, 1920 (additional source)
Amphiura incana Lyman, 1879 represented as Amphiura (Amphiura) incana Lyman, 1879 (additional source)
Amphiura sundevalli (Müller & Troschel, 1842) (additional source)
Anseropoda Nardo, 1834 (additional source)
Anseropoda placenta (Pennant, 1777) (additional source)
Antedon de Fréminville, 1811 (additional source)
Antedon bifida (Pennant, 1777) (additional source)
Antedon petasus (Düben & Koren, 1846) (additional source)
Antedonidae Norman, 1865 (additional source)
Aora Krøyer, 1845 (additional source)
Aora typica Krøyer, 1845 (additional source)
Arachnida (basis of record)
Asterias panopla Stuxberg, 1879 accepted as Icasterias panopla (Stuxberg, 1879) (additional source)
Asterina Nardo, 1834 (additional source)
Asterina gibbosa (Pennant, 1777) (additional source)
Asterina phylactica Emson & Crump, 1979 (additional source)
Asteronyx Müller & Troschel, 1842 (additional source)
Asteronyx loveni Müller & Troschel, 1842 (additional source)
Asteropseidae Hotchkiss & Clark, 1976 (basis of record)
Astropecten Gray, 1840 (additional source)
Astropecten irregularis (Pennant, 1777) (additional source)
Astropecten irregularis irregularis (Pennant, 1777) (additional source)
Astropecten tenuispinus Düben & Koren, 1846 accepted as Archaster tenuispinus (Düben & Koren, 1846) accepted as Pontaster tenuispinus (Düben & Koren, 1846) (additional source)
Atelecrinidae Bather, 1899 (additional source)
Atelecrinus Carpenter, 1881 (additional source)
Atelecrinus helgae AH Clark, 1913 (additional source)
Bathybiaster Danielssen & Koren, 1883 (additional source)
Bathybiaster vexillifer (Wyville Thomson, 1873) (additional source)
Bathycrinidae Bather, 1899 (additional source)
Bathycrinus Thomson, 1872 (additional source)
Bathycrinus carpenterii (Danielssen & Koren, 1877) (additional source)
Bathycrinus gracilis Thomson, 1872 (additional source)
Benthopecten Verrill, 1884 (additional source)
Benthopecten spinosissimus (Sladen, 1889) (additional source)
Benthopecten spinosus Verrill, 1884 (basis of record)
Benthopectinidae Verrill, 1899 (additional source)
Brachyscelidae Stephensen, 1923 (additional source)
Brettia Dyster, 1858 (basis of record)
Brissopsis L. Agassiz, 1840 (additional source)
Brissopsis lyrifera (Forbes, 1841) (additional source)
Brissus Gray, 1825 (additional source)
Cellaria Ellis & Solander, 1786 (additional source)
Ceramaster Verrill, 1899 (additional source)
Ceramaster granularis (Retzius, 1783) (additional source)
Chalinidae Gray, 1867 (additional source)
Cheiraster Studer, 1883 (additional source)
Cheiraster (Cheiraster) gazellae Studer, 1883 (basis of record)
Cheiraster (Cheiraster) sepitus (Verrill, 1885) (additional source)
Chondraster Verrill, 1895 (additional source)
Chondraster grandis (Verrill, 1878) (additional source)
Crossaster Müller & Troschel, 1840 (additional source)
Crossaster papposus (Linnaeus, 1767) (additional source)
Crossaster squamatus (Döderlein, 1900) (additional source)
Ctenodiscus Müller & Troschel, 1842 (additional source)
Ctenodiscus crispatus (Bruzelius, 1805) (additional source)
Culcitopsis Verrill, 1914 (additional source)
Culcitopsis borealis (Süssbach & Breckner, 1911) (additional source)
Daptonema oxycerca (de Man, 1888) Lorenzen, 1977 (additional source)
Diaixidae Sars G.O., 1902 (additional source)
Diaixis Sars G.O., 1902 (additional source)
Diaixis hibernica (Scott A., 1896) (additional source)
Dynamena Lamouroux, 1812 (additional source)
Echinaster Müller & Troschel, 1840 (additional source)
Echinaster (Echinaster) sepositus (Retzius, 1783) (additional source)
Echinaster (Echinaster) sepositus sepositus (Retzius, 1783) (additional source)
Echinocardium Gray, 1825 (additional source)
Echinocardium cordatum (Pennant, 1777) (additional source)
Echinocardium flavescens (O.F. Müller, 1776) (additional source)
Echinocardium pennatifidum Norman, 1868 (additional source)
Echinocyamus van Phelsum, 1774 (additional source)
Echinocyamus pusillus (O.F. Müller, 1776) (additional source)
Echinus Linnaeus, 1758 (additional source)
Echinus acutus Lamarck, 1816 accepted as Gracilechinus acutus (Lamarck, 1816) (additional source)
Echinus elegans Düben & Koren, 1844 accepted as Gracilechinus elegans (Düben & Koren, 1844) (additional source)
Echinus esculentus Linnaeus, 1758 (additional source)
Echinus miliaris P.L.S. Müller, 1771 accepted as Psammechinus miliaris (P.L.S. Müller, 1771) (additional source)
Echinus tenuispinus Norman, 1868 (additional source)
Fimbriosthenelais Pettibone, 1971 (additional source)
Fimbriosthenelais zetlandica (McIntosh, 1876) (additional source)
Ganeriidae Sladen, 1889 accepted as Ganeriinae Sladen, 1889 (basis of record)
Garveia nutans Wright, 1859 (additional source)
Glycera celtica O'Connor, 1987 (additional source)
Goniopectinidae Verrill, 1889 (additional source)
Gorgonocephalus Leach, 1815 (additional source)
Gorgonocephalus arcticus Leach, 1819 (additional source)
Gorgonocephalus caputmedusae (Linnaeus, 1758) (additional source)

English squirrel's tail for Sertularia argentea Linnaeus, 1758