Echinus esculentus. Site: NE of Burial Island, Ballyhalbert
 Echinus esculentus. Event number: 19820915/02. Site: NE of Burial Island, Ballyhalbert. 1982-09-15. Photograph © David Connor. (4/15) 
 David Connor (2026). Photograph of Echinus esculentus. Site: NE of Burial Island, Ballyhalbert. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_0891.jpg. Accessed on 2026-11-04