Nemertesia antennina, Flustra foliacea, Securiflustra securifrons. Site: NW Portstewart Point
 Nemertesia antennina, Flustra foliacea, Securiflustra securifrons. Event number: 19840705/02. Site: NW Portstewart Point. 1984-07-05. Photograph © Bernard Picton. (1/13) 
 Bernard Picton (2026). Photograph of Nemertesia antennina, Flustra foliacea, Securiflustra securifrons. Site: NW Portstewart Point. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_7459.jpg. Accessed on 2026-11-04