Aplysilla sulfurea. Site: Ballyhenry Island,  Strangford Lough
 Aplysilla sulfurea. Event number: 20210416/01. Site: Ballyhenry Island, Strangford Lough. 2021-04-16. Photograph © Christine Morrow. (17/45) 
 Christine Morrow (2026). Photograph of Aplysilla sulfurea. Site: Ballyhenry Island, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=c4160042.jpg. Accessed on 2026-11-04