Antiopella cristata, Alcyonidium diaphanum, Ascidiella aspersa. Site: N of Chapel Island, Strangford Lough
 Antiopella cristata, Alcyonidium diaphanum, Ascidiella aspersa. Event number: 19820615/03. Site: N of Chapel Island, Strangford Lough. 1982-06-15. Photograph © David Erwin. (3/21) 
 David Erwin (2026). Photograph of Antiopella cristata, Alcyonidium diaphanum, Ascidiella aspersa. Site: N of Chapel Island, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_0225.jpg. Accessed on 2026-11-04