Sagartia undata. Site: East Channel, Lough Foyle
 Sagartia undata. Event number: 19830622/06. Site: East Channel, Lough Foyle. 1983-06-22. Photograph © David Connor. (6/7) 
 David Connor (2026). Photograph of Sagartia undata. Site: East Channel, Lough Foyle. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_2377.jpg. Accessed on 2026-11-04