Hydrallmania falcata, Ophiothrix fragilis, Ophiocomina nigra. Site: Dunnyneill Island, Strangford Lough
 Hydrallmania falcata, Ophiothrix fragilis, Ophiocomina nigra. Event number: 19820520/02. Site: Dunnyneill Island, Strangford Lough. 1982-05-20. Photograph © Bernard Picton. (9/19) 
 Bernard Picton (2026). Photograph of Hydrallmania falcata, Ophiothrix fragilis, Ophiocomina nigra. Site: Dunnyneill Island, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_0130.jpg. Accessed on 2026-11-04