Calliostoma zizyphinum. Site: Skerriagh, Rathlin Island
 Calliostoma zizyphinum. Event number: 20240521/01. Site: Skerriagh, Rathlin Island. 2024-05-21. Photograph © Bernard Picton. (65/81) 
 Bernard Picton (2026). Photograph of Calliostoma zizyphinum. Site: Skerriagh, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=_b245182.jpg. Accessed on 2026-11-04