Aplysilla sulfurea. Site: SE Altacarry Head, Rathlin Island
 Aplysilla sulfurea. Event number: 19850628/01. Site: SE Altacarry Head, Rathlin Island. 1985-06-28. Photograph © Ulster Museum. (7/9) 
 Ulster Museum (2026). Photograph of Aplysilla sulfurea. Site: SE Altacarry Head, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_10450.jpg. Accessed on 2026-11-04