<i><a href="//commons.wikimedia.org/wiki/Category:Ophiocomina_nigra" title="Category:Ophiocomina nigra">Ophiocomina nigra</a> (Abildgaard in O.F. Müller, 1789)</i> and <i><a href="//commons.wikimedia.org/wiki/Category:Sertularella_polyzonias" title="Category:Sertularella polyzonias">Sertularella polyzonias</a></i> (Linnaeus, 1758), Ards and North Down, Northern Ireland
<a rel="nofollow" class="external text" href="https://www.inaturalist.org/people/bernardpictonn">Bernard Picton</a>
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