European waters (ERMS scope) for Abyssocucumis abyssorum (Théel, 1886) 
European waters (ERMS scope) for Acanthotrochus mirabilis Danielssen & Koren, 1881 
European waters (ERMS scope) for Aceste bellidifera Thomson, 1877 
European waters (ERMS scope) for Achiridota ingolfi Heding, 1935 
European waters (ERMS scope) for Achiridota profunda Heding, 1935 
European waters (ERMS scope) for Achlyonice myriamae Gebruk, 1997 
European waters (ERMS scope) for Aeropsis rostrata (Norman, 1876) 
European waters (ERMS scope) for Allopatiria ocellifera (Gray, 1847) 
European waters (ERMS scope) for Amperima furcata (Hérouard, 1899) 
European waters (ERMS scope) for Amperima rosea (E. Perrier, 1886) 
European waters (ERMS scope) for Amphilepis ingolfiana Mortensen, 1933 
European waters (ERMS scope) for Amphilepis norvegica (Ljungman, 1865) 
European waters (ERMS scope) for Amphiophiura bullata convexa (Lyman, 1878) 
European waters (ERMS scope) for Amphiophiura bullata vitjazi Litvinova, 1971 
European waters (ERMS scope) for Amphiophiura saurura (Verrill, 1894) 
European waters (ERMS scope) for Amphioplus (Amphichilus) daleus (Lyman, 1882) 
European waters (ERMS scope) for Amphioplus verrilli (Lyman, 1879) 
European waters (ERMS scope) for Amphipholis instructa Koehler, 1906 
European waters (ERMS scope) for Amphipholis murmanica Djakonov, 1929 
European waters (ERMS scope) for Amphipholis squamata (Delle Chiaje, 1828) 
European waters (ERMS scope) for Amphipholis torelli Ljungman, 1872 
European waters (ERMS scope) for Amphiura (Acrocnida) brachiata (Montagu, 1804) 
European waters (ERMS scope) for Amphiura (Acrocnida) semisquamata (Koehler, 1914)  (inaccurate)
European waters (ERMS scope) for Amphiura (Amphiura) grandisquama Lyman, 1869 
European waters (ERMS scope) for Amphiura (Ophiopeltis) securigera (Düben & Koren, 1846) 
European waters (ERMS scope) for Amphiura abyssorum Norman in Jeffreys, 1876 
European waters (ERMS scope) for Amphiura bellis var. tritonis Hoyle, 1884 
European waters (ERMS scope) for Amphiura borealis (G.O. Sars, 1872) 
European waters (ERMS scope) for Amphiura cherbonnieri Guille, 1972 
European waters (ERMS scope) for Amphiura chiajei Forbes, 1843 
European waters (ERMS scope) for Amphiura delamarei Cherbonnier, 1958 
European waters (ERMS scope) for Amphiura denticulata Koehler, 1896 
European waters (ERMS scope) for Amphiura filiformis (O.F. Müller, 1776) 
European waters (ERMS scope) for Amphiura fragilis Verrill, 1885 
European waters (ERMS scope) for Amphiura griegi Mortensen, 1920 
European waters (ERMS scope) for Amphiura incana Lyman, 1879 
European waters (ERMS scope) for Amphiura mediterranea Lyman, 1882 
European waters (ERMS scope) for Amphiura otteri Ljungman, 1872 
European waters (ERMS scope) for Amphiura richardi Koehler, 1896 
European waters (ERMS scope) for Amphiura sarsi Ljungman, 1872 
European waters (ERMS scope) for Amphiura senegalensis Madsen, 1970 
European waters (ERMS scope) for Amphiura stepanovi Djakonov, 1954 
European waters (ERMS scope) for Amphiura sundevalli (Müller & Troschel, 1842) 
European waters (ERMS scope) for Anseropoda lobiancoi (Ludwig, 1897) 
European waters (ERMS scope) for Anseropoda placenta (Pennant, 1777) 
European waters (ERMS scope) for Antedon bifida (Pennant, 1777) 
European waters (ERMS scope) for Antedon mediterranea (Lamarck, 1816) 
European waters (ERMS scope) for Antedon petasus (Düben & Koren, 1846) 
European waters (ERMS scope) for Anthophiura ingolfi Fasmer, 1930 
European waters (ERMS scope) for Aphroditaster gracilis Sladen, 1889 
European waters (ERMS scope) for Arbacia lixula (Linnaeus, 1758) 
European waters (ERMS scope) for Arbaciella elegans Mortensen, 1910 
European waters (ERMS scope) for Aslia lefevrei (Barrois, 1882) 
European waters (ERMS scope) for Aspidodiadema jacobyi A. Agassiz, 1880 
European waters (ERMS scope) for Aspidophiura minuta (Lyman, 1878) 
European waters (ERMS scope) for Asterina gibbosa (Pennant, 1777) 
European waters (ERMS scope) for Asterina pancerii (Gasco, 1876) 
European waters (ERMS scope) for Asterina phylactica Emson & Crump, 1979 
European waters (ERMS scope) for Asterina wega Valenciennes (MS) in Perrier, 1869 
European waters (ERMS scope) for Asteronyx loveni Müller & Troschel, 1842 
European waters (ERMS scope) for Asteroschema inornatum Koehler, 1906 
European waters (ERMS scope) for Astrodia tenuispina (Verrill, 1884) 
European waters (ERMS scope) for Astrogeron supinus (Lyman, 1883) 
European waters (ERMS scope) for Astrogonium aequabile Koehler, 1907 
European waters (ERMS scope) for Astrogonium aphrodite Perrier, 1894 
European waters (ERMS scope) for Astrogonium eminens Koehler, 1907 
European waters (ERMS scope) for Astrogonium marginatum Koehler, 1909 
European waters (ERMS scope) for Astrogonium necator Perrier, 1894 
European waters (ERMS scope) for Astropecten aranciacus (Linnaeus, 1758) 
European waters (ERMS scope) for Astropecten bispinosus (Otto, 1823) 
European waters (ERMS scope) for Astropecten hermatophilus Sladen, 1883 
European waters (ERMS scope) for Astropecten ibericus Perrier, 1894 
European waters (ERMS scope) for Astropecten irregularis irregularis (Pennant, 1777) 
European waters (ERMS scope) for Astropecten irregularis pentacanthus (Delle Chiaje, 1827) 
European waters (ERMS scope) for Astropecten jonstoni (Delle Chiaje, 1827) 
European waters (ERMS scope) for Astropecten platyacanthus (Philippi, 1837) 
European waters (ERMS scope) for Astropecten spinulosus (Philippi, 1837) 
European waters (ERMS scope) for Astrospartus mediterraneus (Risso, 1826) 
European waters (ERMS scope) for Atelecrinus balanoides Carpenter, 1881 
European waters (ERMS scope) for Bathybiaster vexillifer (Wyville Thomson, 1873) 
European waters (ERMS scope) for Bathycrinus aldrichianus Thomson, 1876 
European waters (ERMS scope) for Bathycrinus carpenterii (Danielssen & Koren, 1877) 
European waters (ERMS scope) for Bathycrinus gracilis Thomson, 1872 
European waters (ERMS scope) for Bathypectinura heros (Lyman, 1879) 
European waters (ERMS scope) for Bathyplotes natans (M. Sars, 1868) 
European waters (ERMS scope) for Bathyplotes pourtalesii (Théel, 1886) 
European waters (ERMS scope) for Bathyplotes tizardi (Théel, 1882) 
European waters (ERMS scope) for Benthodytes janthina Marenzeller von, 1892 
European waters (ERMS scope) for Benthodytes typica Théel, 1882 
European waters (ERMS scope) for Benthogone rosea Koehler, 1895 
European waters (ERMS scope) for Benthopecten simplex simplex (Perrier, 1881) 
European waters (ERMS scope) for Benthopecten spinosissimus (Sladen, 1889) 
European waters (ERMS scope) for Benthothuria funebris Perrier R., 1898 
European waters (ERMS scope) for Brisaster fragilis (Düben & Koren, 1844) 
European waters (ERMS scope) for Brisinga endecacnemos Asbjørnsen, 1856 
European waters (ERMS scope) for Brisinga hirsuta Perrier, 1894 
European waters (ERMS scope) for Brisingella coronata (Sars, 1871) 
European waters (ERMS scope) for Brissopsis atlantica var. mediterranea Mortensen, 1913 
European waters (ERMS scope) for Brissopsis lyrifera (Forbes, 1841) 
European waters (ERMS scope) for Brissus unicolor (Leske, 1778) 

 Identification

 for Ophiocten sericeum (Forbes, 1852)

Ophiocten sericeum Auctt., non (Forbes, 1852) (p.p.) is Ophiocten gracilis (G.O. Sars, 1871). [details]

 identification

 for Pawsonia Rowe, 1970

Pawsonia aff. saxicola Garrido (email check-list of Canarian echinoderms) [details]

 Spelling

 for Sphaerechinus Desor, 1856

emended spelling [details]

 Synonymy

 for Asterias rumphii Parelius, 1768

An older unused synonym, which ICZN should reject based on A.M. Clark in Clark & Downey (1992). [details]

 Synonymy

 for Pseudarchaster tessellatus Sladen, 1889

Possibly conspecific with P. parelii (Duben & Koren, 1846) [details]

 Taxonomy

 for Amphiactis Matsumoto, 1915, non Verrill, 1869

Genus name preoccupied by coelenterate genus [details]

 Taxonomy

 for Amphiura digna Koehler, 1906

Synonym status uncertain [details]

 Taxonomy

 for Antedon duebenii Böhlsche, 1866

Synonym status uncertain [details]

 Taxonomy

 for Benthothuria valdiviae Heding, 1940

Synonym status uncertain [details]

 Taxonomy

 for Cribrella oculata (Pennant, 1777)

Probably not a valid species - needs checking [details]

 Taxonomy

 for Cribrella sanguinolenta (O.F. Müller, 1776)

Probably not a valid species - needs checking [details]

 Taxonomy

 for Cucumaria cucumis (Risso, 1826)

Synonym status uncertain [details]

 Taxonomy

 for Dendrothuria similis Koehler & Vaney, 1905

Synonym status uncertain [details]

 Taxonomy

 for Echinaster oculatus Düben & Koren, 1846

Probably not a valid species - needs checking [details]

 Taxonomy

 for Echinocardium flavescens (O.F. Müller, 1776)

Op. 608, ICZN [details]

 Taxonomy

 for Echinocardium laevigaster A. Agassiz, 1869

Synonym status uncertain [details]

 Taxonomy

 for Echinocardium pennatifidum Koehler, 1898 non Norman, 1868

Synonym status uncertain [details]

 Taxonomy

 for Echinocucumis hispida var. abyssalis Koehler, 1896

Synonym status uncertain [details]

 Taxonomy

 for Echinus depressus G.O. Sars, 1871

Synonym status uncertain [details]

 Taxonomy

 for Echinus microstoma Thomson, 1872

Synonym status uncertain [details]

 Taxonomy

 for Echinus norvegicus Düben & Koren, 1844

Synonym status uncertain [details]

 Taxonomy

 for Echinus rarispinus G.O. Sars, 1871

Synonym status uncertain [details]

 Taxonomy

 for Echinus wallisi A. Agassiz, 1880

Synonym status uncertain [details]

 Taxonomy

 for Goniopecten edwardsi Perrier in Milne-Edwards, 1882

Synonym status uncertain [details]

 Taxonomy

 for Henricia fisheri A.M. Clark, 1962

Possibly not a valid species - needs checking [details]

 Taxonomy

 for Holothuria aspera Bell, 1889

Synonym status uncertain [details]

 Taxonomy

 for Holothuria brunneus (W. Thompson, 1840, ex Forbes MS), non Chamisso & Eysenhardt, 1821

Synonym status uncertain [details]

 Taxonomy

 for Leptasterias (Leptasterias) muelleri muelleri (M. Sars, 1846)

Op. 984, ICZN [details]

 Taxonomy

 for Marginaster fimbriatus Sladen, 1889

Synonym status uncertain [details]

 Taxonomy

 for Ocnus brunneus (Forbes in Thompson, 1840)

Synonym status uncertain [details]

 Taxonomy

 for Ocnus kirchsbergii (Heller, 1868) von Marenzeller, 1874

Assignement to genus uncertain [details]

 Taxonomy

 for Ophiactis cuspidata Lyman, 1879

Synonym status uncertain [details]

 Taxonomy

 for Ophioscolex quadrispinus Verrill, 1885

Synonym status uncertain [details]

 Taxonomy

 for Ophioscolex spinosa Storm, 1881

Genus uncertain [details]

 Taxonomy

 for Ophiura texturata Lamarck, 1816

Op. 1152, ICZN [details]

 Taxonomy

 for Pseudocnus dubiosus (Semper, 1868)

Needs checking - possibly valid species which does not occur in European seas [details]

 Taxonomy

 for Rhegaster murrayi Sladen, 1883

Synonym status uncertain [details]

 Taxonomy

 for Salenia hastigera A. Agassiz, 1879

Synonym status uncertain [details]

 Taxonomy

 for Stichaster roseus (O.F. Müller, 1776)

Listed as a valid but doubtful species in the printed version of ERMS [details]

 Taxonomy

 for Stichopus griegi Östergren, 1897

Synonym status uncertain [details]

 Taxonomy

 for Thyone flexus Hodge, 1865

Synonym status uncertain [details]