Polymastia boletiformis, Raspailia ramosa, Alcyonium digitatum, Nemertesia antennina, Flustra foliacea, Securiflustra securifrons, Delesseria sanguinea. Site: Broad Sound, Skerries, Portrush
 Polymastia boletiformis, Raspailia ramosa, Alcyonium digitatum, Nemertesia antennina, Flustra foliacea, Securiflustra securifrons, Delesseria sanguinea. Event number: 19820809/03. Site: Broad Sound, Skerries, Portrush. 1982-08-09. Photograph © Bernard Picton. (4/19) 
 Bernard Picton (2026). Photograph of Polymastia boletiformis, Raspailia ramosa, Alcyonium digitatum, Nemertesia antennina, Flustra foliacea, Securiflustra securifrons, Delesseria sanguinea. Site: Broad Sound, Skerries, Portrush. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_0700.jpg. Accessed on 2026-11-04