Alcyonidium diaphanum, Synoicum incrustatum. Site: NW Reviggerly, Skerries Sound, Portrush
 Alcyonidium diaphanum, Synoicum incrustatum. Event number: 19850724/08. Site: NW Reviggerly, Skerries Sound, Portrush. 1985-07-24. Photograph © Christine Howson. (1/6) 
 Christine Howson (2026). Photograph of Alcyonidium diaphanum, Synoicum incrustatum. Site: NW Reviggerly, Skerries Sound, Portrush. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_11605.jpg. Accessed on 2026-11-04