Calliostoma zizyphinum, Ophiothrix fragilis, Echinus esculentus. Site: NE of Burial Island, Ballyhalbert
 Calliostoma zizyphinum, Ophiothrix fragilis, Echinus esculentus. Event number: 19820915/01. Site: NE of Burial Island, Ballyhalbert. 1982-09-15. Photograph © Bernard Picton. (9/11) 
 Bernard Picton (2026). Photograph of Calliostoma zizyphinum, Ophiothrix fragilis, Echinus esculentus. Site: NE of Burial Island, Ballyhalbert. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_0885.jpg. Accessed on 2026-11-04