Pachymatisma johnstonia, Alcyonium digitatum, Didemnidae</i> sp.<i>. Site: Derginan Point, Rathlin Island
 Pachymatisma johnstonia, Alcyonium digitatum, Didemnidae sp.. Event number: 19840809/01. Site: Derginan Point, Rathlin Island. 1984-08-09. Photograph © David Connor. (1/4) 
 David Connor (2026). Photograph of Pachymatisma johnstonia, Alcyonium digitatum, Didemnidae sp.. Site: Derginan Point, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_8464.jpg. Accessed on 2026-11-04