Pachymatisma johnstonia. Site: NW of Derginan Point, Rathlin Is
 Pachymatisma johnstonia. Event number: 19830609/04. Site: NW of Derginan Point, Rathlin Is. 1983-06-09. Photograph © Bernard Picton. (7/9) 
 Bernard Picton (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_2154.jpg. Accessed on 2026-11-04