Calvadosia campanulata. Site: S of Bruce's Cave, Rathlin Island
 Calvadosia campanulata. Event number: 20241016/01. Site: S of Bruce's Cave, Rathlin Island. 2024-10-16. Photograph © Libby Keatley. (33/51) 
 Libby Keatley (2026). Photograph of Calvadosia campanulata. Site: S of Bruce's Cave, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=pa160193.jpg. Accessed on 2026-11-03