Polymastia penicillus. Site: N of Red Bay 
 Polymastia penicillus. Event number: 19830823/02. Site: N of Red Bay. 1983-08-23. Photograph © Bernard Picton. (12/12) 
 Bernard Picton (2026). Photograph of Polymastia penicillus. Site: N of Red Bay. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_3148.jpg. Accessed on 2026-11-04