Venus casina. Site: SE of Gowland Rocks, Narrows, Strangford Lough
 Venus casina. Event number: 19800613/01. Site: SE of Gowland Rocks, Narrows, Strangford Lough. 1980-06-13. Photograph © Ulster Museum. (7/16) 
 Ulster Museum (2026). Photograph of Venus casina. Site: SE of Gowland Rocks, Narrows, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_1265.jpg. Accessed on 2026-11-04