Crisia eburnea. Site: Rue Point, Rathlin Island
 Crisia eburnea. Event number: 19840808/07. Site: Rue Point, Rathlin Island. 1984-08-08. Photograph © Christine Howson. (7/10) 
 Christine Howson (2026). Photograph of Crisia eburnea. Site: Rue Point, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_8416.jpg. Accessed on 2026-11-04