Polymastia boletiformis. Site: Duncan's Bo, Rathlin Island
 Polymastia boletiformis. Event number: 20241015/01. Site: Duncan's Bo, Rathlin Island. 2024-10-15. Photograph © Dan Bolt. (36/37) 
 Dan Bolt (2026). Photograph of Polymastia boletiformis. Site: Duncan's Bo, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=pa155354.jpg. Accessed on 2026-11-03