Hemimycale columella. Site: Gully, Farganlack Point, Rathlin Island
 Hemimycale columella. Event number: 20240521/02. Site: Gully, Farganlack Point, Rathlin Island. 2024-05-21. Photograph © Erling Svensen. (34/152) 
 Erling Svensen (2026). Photograph of Hemimycale columella. Site: Gully, Farganlack Point, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=es2024_223.jpg. Accessed on 2026-11-04