Hydrallmania falcata. Site: Skerries,  Portrush
 Hydrallmania falcata. Event number: 20210718/01. Site: Skerries, Portrush. 2021-07-18. Photograph © Bernard Picton. (16/24) 
 Bernard Picton (2026). Photograph of Hydrallmania falcata. Site: Skerries, Portrush. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=_b216882.jpg. Accessed on 2026-11-04