Antedon petasus. Site: Craigbrain N of Ballywalter
 Antedon petasus. Event number: 19820916/02. Site: Craigbrain N of Ballywalter. 1982-09-16. Photograph © Bernard Picton. (4/5) 
 Bernard Picton (2026). Photograph of Antedon petasus. Site: Craigbrain N of Ballywalter. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_0938.jpg. Accessed on 2026-11-04