Cliona celata. Site: Granagh Bay, Strangford Lough Narrows
 Cliona celata. Event number: 19850807/01. Site: Granagh Bay, Strangford Lough Narrows. 1985-08-07. Photograph © Christine Howson. (5/9) 
 Christine Howson (2026). Photograph of Cliona celata. Site: Granagh Bay, Strangford Lough Narrows. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_12292.jpg. Accessed on 2026-11-04