Polymastia boletiformis, Polymastia</i> sp.<i>. Site: White Cliffs S Coast, Rathlin Island
 Polymastia boletiformis, Polymastia sp.. Event number: 19850704/06. Site: White Cliffs S Coast, Rathlin Island. 1985-07-04. Photograph © David Connor. (9/13) 
 David Connor (2026). Photograph of Polymastia boletiformis, Polymastia sp.. Site: White Cliffs S Coast, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_10948.jpg. Accessed on 2026-11-04