Metridium senile. Site: SE of St.John's Point
 Metridium senile. Event number: 19830503/01. Site: SE of St.John's Point. 1983-05-03. Photograph © David Connor. (3/6) 
 David Connor (2026). Photograph of Metridium senile. Site: SE of St.John's Point. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_1538.jpg. Accessed on 2026-11-04