Echinus esculentus, Delesseria sanguinea. Site: E of Fair Head
 Echinus esculentus, Delesseria sanguinea. Event number: 19840619/03. Site: E of Fair Head. 1984-06-19. Photograph © Christine Howson. (5/12) 
 Christine Howson (2026). Photograph of Echinus esculentus, Delesseria sanguinea. Site: E of Fair Head. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_6763.jpg. Accessed on 2026-11-04