Halisarca dujardinii. Site: Greyabbey,  Strangford Lough
 Halisarca dujardinii. Event number: 20200517/01. Site: Greyabbey, Strangford Lough. 2020-05-17. Photograph © Christine Morrow. (32/73) 
 Christine Morrow (2026). Photograph of Halisarca dujardinii. Site: Greyabbey, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=p5171371.jpg. Accessed on 2026-11-04