Polymastia penicillus. Site: SE Killowen Bank, Carlingford Lough 
 Polymastia penicillus. Event number: 19840604/01. Site: SE Killowen Bank, Carlingford Lough. 1984-06-04. Photograph © David Connor. (5/5) 
 David Connor (2026). Photograph of Polymastia penicillus. Site: SE Killowen Bank, Carlingford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_6352.jpg. Accessed on 2026-11-04