Actinothoe sphyrodeta, Patella pellucida. Site: NE of Burial Island, Ballyhalbert
 Actinothoe sphyrodeta, Patella pellucida. Event number: 19820915/03. Site: NE of Burial Island, Ballyhalbert. 1982-09-15. Photograph © Bernard Picton. (8/10) 
 Bernard Picton (2026). Photograph of Actinothoe sphyrodeta, Patella pellucida. Site: NE of Burial Island, Ballyhalbert. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_0910.jpg. Accessed on 2026-11-04