Hemimycale columella, Aglaophenia tubulifera, Ophiocomina nigra. Site: St.Drumnagreagh Port
 Hemimycale columella, Aglaophenia tubulifera, Ophiocomina nigra. Event number: 19830818/02. Site: St.Drumnagreagh Port. 1983-08-18. Photograph © David Connor. (4/8) 
 David Connor (2026). Photograph of Hemimycale columella, Aglaophenia tubulifera, Ophiocomina nigra. Site: St.Drumnagreagh Port. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_3026.jpg. Accessed on 2026-11-04