Obelia geniculata, Calliostoma zizyphinum. Site: N of Bull Point,  Rathlin Island
 Obelia geniculata, Calliostoma zizyphinum. Event number: 20190514/02. Site: N of Bull Point, Rathlin Island. 2019-05-14. Photograph © Bernard Picton. (6/35) 
 Bernard Picton (2026). Photograph of Obelia geniculata, Calliostoma zizyphinum. Site: N of Bull Point, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=_b197288.jpg. Accessed on 2026-11-04