Ophiocomina nigra. Site: SE Hellyhunter Buoy, Cranfield Point
 Ophiocomina nigra. Event number: 19850530/02. Site: SE Hellyhunter Buoy, Cranfield Point. 1985-05-30. Photograph © David Connor. (2/4) 
 David Connor (2026). Photograph of Ophiocomina nigra. Site: SE Hellyhunter Buoy, Cranfield Point. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_9454.jpg. Accessed on 2026-11-04