Alcyonium digitatum, Dendrodoa grossularia. Site: N Black Rock, Skerries, Portrush 
 Alcyonium digitatum, Dendrodoa grossularia. Event number: 19840703/06. Site: N Black Rock, Skerries, Portrush. 1984-07-03. Photograph © David Connor. (4/4) 
 David Connor (2026). Photograph of Alcyonium digitatum, Dendrodoa grossularia. Site: N Black Rock, Skerries, Portrush. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_7165.jpg. Accessed on 2026-11-04