Cliona celata. Site: Holm Bay, Strangford Lough 
 Cliona celata. Event number: 19830803/09. Site: Holm Bay, Strangford Lough. 1983-08-03. Photograph © David Connor. (4/4) 
 David Connor (2026). Photograph of Cliona celata. Site: Holm Bay, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_2713.jpg. Accessed on 2026-11-04