Diphasia fallax, Sertularia argentea. Site: Castle Head, Rathlin Island
 Diphasia fallax, Sertularia argentea. Event number: 19850626/01. Site: Castle Head, Rathlin Island. 1985-06-26. Photograph © Ulster Museum. (5/10) 
 Ulster Museum (2026). Photograph of Diphasia fallax, Sertularia argentea. Site: Castle Head, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_10129.jpg. Accessed on 2026-11-04