Flustra foliacea, Securiflustra securifrons, Aslia lefevrei. Site: N of Channel Between Skerries, Skerries, Portrush
 Flustra foliacea, Securiflustra securifrons, Aslia lefevrei. Event number: 19790613/03. Site: N of Channel Between Skerries, Skerries, Portrush. 1979-06-13. Photograph © Ulster Museum. (9/11) 
 Ulster Museum (2026). Photograph of Flustra foliacea, Securiflustra securifrons, Aslia lefevrei. Site: N of Channel Between Skerries, Skerries, Portrush. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_1056.jpg. Accessed on 2026-11-04