Halichondria panicea. Site: NW Portstewart Point
 Halichondria panicea. Event number: 19840705/07. Site: NW Portstewart Point. 1984-07-05. Photograph © Christine Howson. (2/10) 
 Christine Howson (2026). Photograph of Halichondria panicea. Site: NW Portstewart Point. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_7576.jpg. Accessed on 2026-11-04