Halidrys siliquosa. Site: W of Craigbrain, Ballywalter
 Halidrys siliquosa. Event number: 19840731/07. Site: W of Craigbrain, Ballywalter. 1984-07-31. Photograph © Christine Howson. (1/7) 
 Christine Howson (2026). Photograph of Halidrys siliquosa. Site: W of Craigbrain, Ballywalter. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_7939.jpg. Accessed on 2026-11-04