Echinus esculentus. Site: E Coast, Rathlin Is
 Echinus esculentus. Event number: 19830615/01. Site: E Coast, Rathlin Is. 1983-06-15. Photograph © Bernard Picton. (2/5) 
 Bernard Picton (2026). Photograph of Echinus esculentus. Site: E Coast, Rathlin Is. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_2202.jpg. Accessed on 2026-11-04