Modiolus modiolus. Site: S of Skullmartin, Ballywalter
 Modiolus modiolus. Event number: 19840801/03. Site: S of Skullmartin, Ballywalter. 1984-08-01. Photograph © Bernard Picton. (5/8) 
 Bernard Picton (2026). Photograph of Modiolus modiolus. Site: S of Skullmartin, Ballywalter. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_8020.jpg. Accessed on 2026-11-04