Pachymatisma johnstonia. Site: NW of Derginan Point, Rathlin Is
 Pachymatisma johnstonia. Event number: 19830609/02. Site: NW of Derginan Point, Rathlin Is. 1983-06-09. Photograph © David Connor. (9/12) 
 David Connor (2026). Photograph of Pachymatisma johnstonia. Site: NW of Derginan Point, Rathlin Is. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_2123.jpg. Accessed on 2026-11-04