Crossaster papposus. Site: Between Skerries, Skerries, Portrush 
 Crossaster papposus. Event number: 19790706/02. Site: Between Skerries, Skerries, Portrush. 1979-07-06. Photograph © Ulster Museum. (4/4) 
 Ulster Museum (2026). Photograph of Crossaster papposus. Site: Between Skerries, Skerries, Portrush. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_1219.jpg. Accessed on 2026-11-04