Actinia Linnaeus, 1767 (additional source)
Adociidae Laubenfels, 1936 accepted as Chalinidae Gray, 1867 (additional source)
Adociidae Laubenfels, 1936 accepted as Chalinidae Gray, 1867 (source of synonymy)
Aglaophenia Lamouroux, 1812 (additional source)
Alecto Leach, 1815 (additional source)
Amphilepis Ljungman, 1867 (additional source)
Amphiocnida Verrill, 1899 accepted as Ophiocentrus Ljungman, 1867 (additional source)
Amphipholis Ljungman, 1866 (additional source)
Amphipholis squamata (Delle Chiaje, 1828) (additional source)
Amphiura chiajei Forbes, 1843 (additional source)
Amphiura filiformis (O.F. Müller, 1776) (additional source)
Amphiura incana Lyman, 1879 represented as Amphiura (Amphiura) incana Lyman, 1879 (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)
Antedonidae Norman, 1865 (additional source)
Aora Krøyer, 1845 (additional source)
Aora typica Krøyer, 1845 (additional source)
Arachnida (basis of record)
Asterina Nardo, 1834 (additional source)
Asterina gibbosa (Pennant, 1777) (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)
Bathycrinidae Bather, 1899 (additional source)
Benthopecten Verrill, 1884 (additional source)
Benthopecten spinosissimus (Sladen, 1889) (additional source)
Benthopectinidae Verrill, 1899 (additional source)
Bourgueticrinida accepted as Bourgueticrinina (additional source)
Brachyscelidae Stephensen, 1923 (additional source)
Brissopsis L. Agassiz, 1840 (additional source)
Brissopsis lyrifera (Forbes, 1841) (additional source)
Brissus Gray, 1825 (additional source)
Ceramaster Verrill, 1899 (additional source)
Chalinidae Gray, 1867 (additional source)
Cheiraster Studer, 1883 (additional source)
Cheiraster (Cheiraster) sepitus (Verrill, 1885) (additional source)
Chondraster Verrill, 1895 (additional source)
Cribrella Lütken, 1857 accepted as Henricia Gray, 1840 (additional source)
Crossaster Müller & Troschel, 1840 (additional source)
Culcitopsis Verrill, 1914 (additional source)
Culcitopsis borealis (Süssbach & Breckner, 1911) (additional source)
Diaixidae Sars G.O., 1902 (additional source)
Diaixis Sars G.O., 1902 (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)
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)
Fimbriosthenelais Pettibone, 1971 (additional source)
Fimbriosthenelais zetlandica (McIntosh, 1876) (additional source)
Ganeriidae Sladen, 1889 accepted as Ganeriinae Sladen, 1889 (basis of record)
Gellius angulatus (Bowerbank, 1866) accepted as Haliclona (Gellius) angulata (Bowerbank, 1866) (source of synonymy)
Goniopectinidae Verrill, 1889 (additional source)
Gorgonocephalus Leach, 1815 (additional source)
Gorgonocephalus eucnemis (Müller & Troschel, 1842) (additional source)
Halecium Oken, 1815 (additional source)
Haliclonidae de Laubenfels, 1932 accepted as Chalinidae Gray, 1867 (source of synonymy)
Hippasteria Gray, 1840 (additional source)
Hippasteria phrygiana (Parelius, 1768) (additional source)
Hydrichthys cyclothonis Damas, 1934 (additional source)
Laomedea dichotoma (Linnaeus, 1758) accepted as Obelia dichotoma (Linnaeus, 1758) (source of synonymy)
Leptometra AH Clark, 1908 (additional source)
Leptometra celtica (M'Andrew & Barrett, 1857) (additional source)
Lophaster Verrill, 1878 (additional source)
Luidia Forbes, 1839 (additional source)
Luidia ciliaris (Philippi, 1837) (additional source)
Luidia sarsi sarsi Düben & Koren in Düben, 1844 accepted as Luidia sarsii sarsii Duben & Koren in Duben, 1844 (additional source)
Luidia sarsii Düben & Koren in Düben, 1844 (additional source)
Marthasterias Jullien, 1878 (additional source)
Marthasterias glacialis (Linnaeus, 1758) (additional source)
Mithrodiidae Viguier, 1878 (additional source)
Nemertesia ramosa (Lamarck, 1816) (additional source)
Nymphonidae Wilson, 1878 (basis of record)
Obelia bidentata Clark, 1875 (additional source)
Oceanapia isodictyiformis (Carter, 1882) (additional source)
Odontasteridae Verrill, 1899 (additional source)
Ophiacantha Müller & Troschel, 1842 (additional source)
Ophiactis Lütken, 1856 (additional source)
Ophiactis abyssicola (M. Sars, 1861) (additional source)
Ophiactis balli (W. Thompson, 1840) (additional source)
Ophiactis nidarosiensis Mortensen, 1920 (additional source)
Ophidiasteridae Verrill, 1870 (additional source)
Ophiocten Lütken, 1855 (additional source)
Ophiocten affinis (Lütken, 1858) (additional source)
Ophioglypha Lyman, 1860 accepted as Ophiura Lamarck, 1801 (additional source)
Ophiomitrella Verrill, 1899 (additional source)
Ophiomusium Lyman, 1869 (additional source)
Ophiomusium lymani Wyville-Thomson, 1873 accepted as Ophiomusa lymani (Wyville Thomson, 1873) (additional source)
Ophiopsila Forbes, 1843 (additional source)
Ophiopsila aranea Forbes, 1843 (additional source)

Canary Islands Exclusive Economic Zone for Benthodytes janthina Marenzeller von, 1892 
Canary Islands Exclusive Economic Zone for Benthodytes typica Théel, 1882 
Canary Islands Exclusive Economic Zone for Holothuria (Panningothuria) forskali Delle Chiaje, 1823 
Canary Islands Exclusive Economic Zone for Holothuria (Roweothuria) poli Delle Chiaje, 1824 
Canary Islands Exclusive Economic Zone for Leptosynapta inhaerens (O.F. Müller, 1776) 
Canary Islands Exclusive Economic Zone for Molpadia musculus Risso, 1826 
Canary Islands Exclusive Economic Zone for Psychropotes depressa (Théel, 1882) 
Canary Islands Exclusive Economic Zone for Psychropotes longicauda Théel, 1882 
Canary Islands Exclusive Economic Zone for Psychropotes semperiana Théel, 1882 
Canary Islands Exclusive Economic Zone for Synallactes crucifera Perrier R., 1898 
Cape Verdean Exclusive Economic Zone for Benthodytes janthina Marenzeller von, 1892 
Cape Verdean Exclusive Economic Zone for Benthogone rosea Koehler, 1895 
Cape Verdean Exclusive Economic Zone for Ellipinion delagei (Hérouard, 1896) 
Cape Verdean Exclusive Economic Zone for Enypniastes eximia Théel, 1882 
Cape Verdean Exclusive Economic Zone for Hedingia albicans (Théel, 1886) Deichmann, 1938 
Cape Verdean Exclusive Economic Zone for Laetmogone violacea Théel, 1879 
Cape Verdean Exclusive Economic Zone for Molpadia loricata (R. Perrier, 1898) 
Cape Verdean Exclusive Economic Zone for Peniagone diaphana (Théel, 1882) 
Cape Verdean Exclusive Economic Zone for Peniagone purpurea (Théel, 1882) 
Moroccan Exclusive Economic Zone for Molpadia maroccana (R. Perrier, 1898) 

English squirrel's tail for Sertularia argentea Linnaeus, 1758