Synoicum incrustatum, Delesseria sanguinea. Site: NW of Giants Causeway
 Synoicum incrustatum, Delesseria sanguinea. Event number: 19830520/01. Site: NW of Giants Causeway. 1983-05-20. Photograph © Christine Howson. (6/20) 
 Christine Howson (2026). Photograph of Synoicum incrustatum, Delesseria sanguinea. Site: NW of Giants Causeway. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_1784.jpg. Accessed on 2026-11-04