Halidrys siliquosa. Site: S of Cow and Calf, Dundrum Bay
 Halidrys siliquosa. Event number: 19840822/03. Site: S of Cow and Calf, Dundrum Bay. 1984-08-22. Photograph © Bernard Picton. (4/14) 
 Bernard Picton (2026). Photograph of Halidrys siliquosa. Site: S of Cow and Calf, Dundrum Bay. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_9190.jpg. Accessed on 2026-11-04