Actinothoe sphyrodeta, Crisia eburnea, Securiflustra securifrons. Site: Broad Sound, Skerries, Portrush
 Actinothoe sphyrodeta, Crisia eburnea, Securiflustra securifrons. Event number: 19820809/03. Site: Broad Sound, Skerries, Portrush. 1982-08-09. Photograph © Bernard Picton. (18/19) 
 Bernard Picton (2026). Photograph of Actinothoe sphyrodeta, Crisia eburnea, Securiflustra securifrons. Site: Broad Sound, Skerries, Portrush. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_0714.jpg. Accessed on 2026-11-04