Obelia geniculata. Site: NW of Derginan Point, Rathlin Is 
 Obelia geniculata. Event number: 19830609/03. Site: NW of Derginan Point, Rathlin Is. 1983-06-09. Photograph © David Erwin. (13/13) 
 David Erwin (2026). Photograph of Obelia geniculata. Site: NW of Derginan Point, Rathlin Is. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_2147.jpg. Accessed on 2026-11-04