Ophiocomina nigra. Site: E of Greenore Point, Carlingford Lough 
 Ophiocomina nigra. Event number: 19840607/02. Site: E of Greenore Point, Carlingford Lough. 1984-06-07. Photograph © Christine Howson. (20/20) 
 Christine Howson (2026). Photograph of Ophiocomina nigra. Site: E of Greenore Point, Carlingford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_6571.jpg. Accessed on 2026-11-04