Iophonopsis nigricans, Hymedesmia paupertas, Plagioecia patina. Site: Fair Head 
 Iophonopsis nigricans, Hymedesmia paupertas, Plagioecia patina. Event number: 19850815/03. Site: Fair Head. 1985-08-15. Photograph © Ulster Museum. (5/5) 
 Ulster Museum (2026). Photograph of Iophonopsis nigricans, Hymedesmia paupertas, Plagioecia patina. Site: Fair Head. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_12451.jpg. Accessed on 2026-11-04