Antedon bifida. Site: Ballydorn,  Strangford Lough
 Antedon bifida. Event number: 20230815/01. Site: Ballydorn, Strangford Lough. 2023-08-15. Photograph © Christine Morrow. (14/15) 
 Christine Morrow (2026). Photograph of Antedon bifida. Site: Ballydorn, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=c8153295.jpg. Accessed on 2026-11-03