Clathrina coriacea, Cylista elegans. Site: Blockhouse Is, Carlingford Lough
 Clathrina coriacea, Cylista elegans. Event number: 19830721/06. Site: Blockhouse Is, Carlingford Lough. 1983-07-21. Photograph © Christine Howson. (11/15) 
 Christine Howson (2026). Photograph of Clathrina coriacea, Cylista elegans. Site: Blockhouse Is, Carlingford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_2583.jpg. Accessed on 2026-11-04