Vesicularia spinosa, Ophiothrix fragilis, Corella parallelogramma. Site: NE of Limestone Rock, Strangford Lough
 Vesicularia spinosa, Ophiothrix fragilis, Corella parallelogramma. Event number: 19800626/03. Site: NE of Limestone Rock, Strangford Lough. 1980-06-26. Photograph © Ulster Museum. (5/9) 
 Ulster Museum (2026). Photograph of Vesicularia spinosa, Ophiothrix fragilis, Corella parallelogramma. Site: NE of Limestone Rock, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_1486.jpg. Accessed on 2026-11-04