Spatangus purpureus. Site: S of Carrigaroan, Carlingford Lough
 Spatangus purpureus. Event number: 19830722/02. Site: S of Carrigaroan, Carlingford Lough. 1983-07-22. Photograph © Christine Howson. (5/6) 
 Christine Howson (2026). Photograph of Spatangus purpureus. Site: S of Carrigaroan, Carlingford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_2604.jpg. Accessed on 2026-11-04