Ophiactis balli. Site: Ruecallan Archway, Rathlin Island
 Ophiactis balli. Event number: 20250523/01. Site: Ruecallan Archway, Rathlin Island. 2025-05-23. Photograph © Rebekah Bajko. (13/15) 
 Rebekah Bajko (2026). Photograph of Ophiactis balli. Site: Ruecallan Archway, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=_b230525.jpg. Accessed on 2026-11-04