. Site: Skullmartin Rock, Ballywalter
 Event number: 19820917/02. Site: Skullmartin Rock, Ballywalter. 1982-09-17. Photograph © Bernard Picton. (1/4) 
 Bernard Picton (2026). Photograph of Site: Skullmartin Rock, Ballywalter. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_0986.jpg. Accessed on 2026-11-04