Calliostoma zizyphinum, Ophiothrix fragilis, Ophiocomina nigra. Site: SE Hellyhunter Buoy, Cranfield Point 
 Calliostoma zizyphinum, Ophiothrix fragilis, Ophiocomina nigra. Event number: 19850530/02. Site: SE Hellyhunter Buoy, Cranfield Point. 1985-05-30. Photograph © David Connor. (4/4) 
 David Connor (2026). Photograph of Calliostoma zizyphinum, Ophiothrix fragilis, Ophiocomina nigra. Site: SE Hellyhunter Buoy, Cranfield Point. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_9460.jpg. Accessed on 2026-11-04