Hymedesmia jecusculum. Site: Archway, The North Wall, Rathlin Island
 Hymedesmia jecusculum. Event number: 20240520/01. Site: Archway, The North Wall, Rathlin Island. 2024-05-20. Photograph © Libby Keatley. (78/88) 
 Libby Keatley (2026). Photograph of Hymedesmia jecusculum. Site: Archway, The North Wall, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=p5200126.jpg. Accessed on 2026-11-04