Polymastia boletiformis. Site: West Maiden, The Maidens
 Polymastia boletiformis. Event number: 20221022/01. Site: West Maiden, The Maidens. 2022-10-22. Photograph © Bernard Picton. (30/44) 
 Bernard Picton (2026). Photograph of Polymastia boletiformis. Site: West Maiden, The Maidens. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=_b229421.jpg. Accessed on 2026-11-04