Polymastia boletiformis, Cereus pedunculatus, Ophiocomina nigra, Clavelina lepadiformis. Site: W of Vidal Rock, Carlingford Lough 
 Polymastia boletiformis, Cereus pedunculatus, Ophiocomina nigra, Clavelina lepadiformis. Event number: 19830721/01. Site: W of Vidal Rock, Carlingford Lough. 1983-07-21. Photograph © David Connor. (5/5) 
 David Connor (2026). Photograph of Polymastia boletiformis, Cereus pedunculatus, Ophiocomina nigra, Clavelina lepadiformis. Site: W of Vidal Rock, Carlingford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_2521.jpg. Accessed on 2026-11-04