Duasmodactyla commune (Forbes, 1841) accepted as Thyonidium drummondii (Thompson, 1840) (basis of record)

Belgian Exclusive Economic Zone for Amphipholis squamata (Delle Chiaje, 1828) 
Belgian Exclusive Economic Zone for Aslia lefevrei (Barrois, 1882) 
Belgian Exclusive Economic Zone for Asterias rubens Linnaeus, 1758 
Belgian Exclusive Economic Zone for Astropecten irregularis (Pennant, 1777) 
Belgian Exclusive Economic Zone for Crossaster papposus (Linnaeus, 1767) 
Belgian Exclusive Economic Zone for Cucumaria frondosa (Gunnerus, 1767) 
Belgian Exclusive Economic Zone for Echinocardium cordatum (Pennant, 1777) 
Belgian Exclusive Economic Zone for Echinocyamus pusillus (O.F. Müller, 1776) 
Belgian Exclusive Economic Zone for Neopentadactyla mixta (Östergren, 1898) Deichmann, 1944 
Belgian Exclusive Economic Zone for Ocnus lacteus (Forbes & Goodsir, 1839) 
Belgian Exclusive Economic Zone for Ocnus planci (Brandt, 1835) 
Belgian Exclusive Economic Zone for Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789) 
Belgian Exclusive Economic Zone for Ophiura affinis Lütken, 1858 
Belgian Exclusive Economic Zone for Ophiura albida Forbes, 1839 
Belgian Exclusive Economic Zone for Ophiura ophiura (Linnaeus, 1758) 
Belgian Exclusive Economic Zone for Psammechinus miliaris (P.L.S. Müller, 1771) 
Belgian Exclusive Economic Zone for Spatangus purpureus O.F. Müller, 1776 
Dutch Exclusive Economic Zone for Amphipholis squamata (Delle Chiaje, 1828) 
Dutch Exclusive Economic Zone for Amphiura (Acrocnida) brachiata (Montagu, 1804) 
Dutch Exclusive Economic Zone for Amphiura chiajei Forbes, 1843 
Dutch Exclusive Economic Zone for Amphiura filiformis (O.F. Müller, 1776) 
Dutch Exclusive Economic Zone for Antedon bifida (Pennant, 1777) 
Dutch Exclusive Economic Zone for Asterias rubens Linnaeus, 1758 
Dutch Exclusive Economic Zone for Asterina gibbosa (Pennant, 1777) 
Dutch Exclusive Economic Zone for Astropecten irregularis (Pennant, 1777) 
Dutch Exclusive Economic Zone for Brissopsis lyrifera (Forbes, 1841) 
Dutch Exclusive Economic Zone for Crossaster papposus (Linnaeus, 1767) 
Dutch Exclusive Economic Zone for Cucumaria frondosa (Gunnerus, 1767) 
Dutch Exclusive Economic Zone for Duasmodactyla commune (Forbes, 1841) 
Dutch Exclusive Economic Zone for Echinocardium cordatum (Pennant, 1777) 
Dutch Exclusive Economic Zone for Echinocardium flavescens (O.F. Müller, 1776) 
Dutch Exclusive Economic Zone for Echinocyamus pusillus (O.F. Müller, 1776) 
Dutch Exclusive Economic Zone for Echinus esculentus Linnaeus, 1758 
Dutch Exclusive Economic Zone for Hippasteria phrygiana (Parelius, 1768) 
Dutch Exclusive Economic Zone for Luidia sarsii Düben & Koren in Düben, 1844 
Dutch Exclusive Economic Zone for Marthasterias glacialis (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Ophiactis balli (W. Thompson, 1840) 
Dutch Exclusive Economic Zone for Ophiocomina nigra (Abildgaard in O.F. Müller, 1789) 
Dutch Exclusive Economic Zone for Ophiopholis aculeata (Linnaeus, 1767) 
Dutch Exclusive Economic Zone for Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789) 
Dutch Exclusive Economic Zone for Ophiura affinis Lütken, 1858 
Dutch Exclusive Economic Zone for Ophiura albida Forbes, 1839 
Dutch Exclusive Economic Zone for Ophiura ophiura (Linnaeus, 1758) 
Dutch Exclusive Economic Zone for Ophiura sarsii Lütken, 1855 
Dutch Exclusive Economic Zone for Psammechinus miliaris (P.L.S. Müller, 1771) 
Dutch Exclusive Economic Zone for Solaster endeca (Linnaeus, 1771) 
Dutch Exclusive Economic Zone for Spatangus purpureus O.F. Müller, 1776 
Dutch Exclusive Economic Zone for Trachythyone elongata (Düben & Koren, 1846) 
French Exclusive Economic Zone for Thyone fusus (O.F. Müller, 1776) 
French Exclusive Economic Zone [Atlantic part] for Amphipholis squamata (Delle Chiaje, 1828) 
French Exclusive Economic Zone [Atlantic part] for Amphiura (Acrocnida) brachiata (Montagu, 1804) 
French Exclusive Economic Zone [Atlantic part] for Amphiura (Ophiopeltis) securigera (Düben & Koren, 1846) 
French Exclusive Economic Zone [Atlantic part] for Anseropoda placenta (Pennant, 1777) 
French Exclusive Economic Zone [Atlantic part] for Asterias rubens Linnaeus, 1758 
French Exclusive Economic Zone [Atlantic part] for Crossaster papposus (Linnaeus, 1767) 
French Exclusive Economic Zone [Atlantic part] for Cucumaria sluiteri Ohshima, 1915 
French Exclusive Economic Zone [Atlantic part] for Echinocardium cordatum (Pennant, 1777) 
French Exclusive Economic Zone [Atlantic part] for Echinocyamus pusillus (O.F. Müller, 1776) 
French Exclusive Economic Zone [Atlantic part] for Henricia sanguinolenta (O.F. Müller, 1776) 
French Exclusive Economic Zone [Atlantic part] for Leptosynapta inhaerens (O.F. Müller, 1776) 
French Exclusive Economic Zone [Atlantic part] for Neopentadactyla mixta (Östergren, 1898) Deichmann, 1944 
French Exclusive Economic Zone [Atlantic part] for Ocnus brunneus (Forbes in Thompson, 1840) 
French Exclusive Economic Zone [Atlantic part] for Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789) 
French Exclusive Economic Zone [Atlantic part] for Ophiura affinis Lütken, 1858 
French Exclusive Economic Zone [Atlantic part] for Ophiura albida Forbes, 1839 
French Exclusive Economic Zone [Atlantic part] for Ophiura ophiura (Linnaeus, 1758) 
French Exclusive Economic Zone [Atlantic part] for Psammechinus miliaris (P.L.S. Müller, 1771) 
French Exclusive Economic Zone [Atlantic part] for Spatangus purpureus O.F. Müller, 1776 
Hinder Banks for Thyone fusus (O.F. Müller, 1776) 

 Authority

 for Ophiocomina nigra (Abildgaard in O.F. Müller, 1789)

Massin & De Ridder mention (Müller, 1776) as authority instead of (Abildgaard, 1789). [details]

 Spelling

 for Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789)

Ophiotrix, unaccepted misspelling. [details]