Synoicum incrustatum, Polycarpa errans. Site: Skerries,  Portrush
 Synoicum incrustatum, Polycarpa errans. Event number: 20210606/01. Site: Skerries, Portrush. 2021-06-06. Photograph © Bernard Picton. (14/62) 
 Bernard Picton (2026). Photograph of Synoicum incrustatum, Polycarpa errans. Site: Skerries, Portrush. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=_b216710.jpg. Accessed on 2026-11-04