Tethya citrina. Site: Craigbrain, Ballywalter 
 Tethya citrina. Event number: 19840801/06. Site: Craigbrain, Ballywalter. 1984-08-01. Photograph © Bernard Picton. (5/5) 
 Bernard Picton (2026). Photograph of Tethya citrina. Site: Craigbrain, Ballywalter. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_8101.jpg. Accessed on 2026-11-04