Marthasterias glacialis. Site: SE of Allens Rock, Maidens
 Marthasterias glacialis. Event number: 19850731/05. Site: SE of Allens Rock, Maidens. 1985-07-31. Photograph © David Connor. (4/19) 
 David Connor (2026). Photograph of Marthasterias glacialis. Site: SE of Allens Rock, Maidens. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_11992.jpg. Accessed on 2026-11-04