Ophiocomina nigra. Site: Abbey Rock, Strangford Lough
 Ophiocomina nigra. Event number: 19800702/05. Site: Abbey Rock, Strangford Lough. 1980-07-02. Photograph © Ulster Museum. (5/13) 
 Ulster Museum (2026). Photograph of Ophiocomina nigra. Site: Abbey Rock, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_1509.jpg. Accessed on 2026-11-04