Nemertesia antennina, Halarachnion ligulatum. Site: N of Chapel Island, Strangford Lough
 Nemertesia antennina, Halarachnion ligulatum. Event number: 19820615/04. Site: N of Chapel Island, Strangford Lough. 1982-06-15. Photograph © Bernard Picton. (3/12) 
 Bernard Picton (2026). Photograph of Nemertesia antennina, Halarachnion ligulatum. Site: N of Chapel Island, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_0246.jpg. Accessed on 2026-11-04