Polybius pusillus, Flustra foliacea. Site: Marlfield Bay, Strangford Lough
 Polybius pusillus, Flustra foliacea. Event number: 19830809/04. Site: Marlfield Bay, Strangford Lough. 1983-08-09. Photograph © Christine Howson. (8/9) 
 Christine Howson (2026). Photograph of Polybius pusillus, Flustra foliacea. Site: Marlfield Bay, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_2837.jpg. Accessed on 2026-11-04