Diodora graeca. Site: Greyabbey,  Strangford Lough
 Diodora graeca. Event number: 20200517/01. Site: Greyabbey, Strangford Lough. 2020-05-17. Photograph © Bernard Picton. (72/73) 
 Bernard Picton (2026). Photograph of Diodora graeca. Site: Greyabbey, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=_z200453.jpg. Accessed on 2026-11-04