Metridium senile, Polybius depurator. Site: SE of Carrickfergus, Belfast Lough
 Metridium senile, Polybius depurator. Event number: 19840515/04. Site: SE of Carrickfergus, Belfast Lough. 1984-05-15. Photograph © David Connor. (1/4) 
 David Connor (2026). Photograph of Metridium senile, Polybius depurator. Site: SE of Carrickfergus, Belfast Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_6018.jpg. Accessed on 2026-11-04