Polybius depurator. Site: SW of Dunnyneill Is, Strangford Lough
 Polybius depurator. Event number: 19830805/05. Site: SW of Dunnyneill Is, Strangford Lough. 1983-08-05. Photograph © Christine Howson. (5/7) 
 Christine Howson (2026). Photograph of Polybius depurator. Site: SW of Dunnyneill Is, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_2779.jpg. Accessed on 2026-11-04